Updating changelog + build for 3.2.0

Notifications

.github/workflows/all-quality.yml

@@ -0,0 +1,74 @@
+name: All Quality
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  backend-checks:
+    runs-on: ubuntu-latest
+    timeout-minutes: 45
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v5
+
+      - name: Set up Python
+        uses: actions/setup-python@v6
+        with:
+          python-version: "3.12"
+
+      - name: Set up uv
+        uses: astral-sh/setup-uv@v7
+        with:
+          enable-cache: true
+
+      - name: Install backend dependencies
+        run: uv sync --dev
+
+      - name: Backend lint
+        run: uv run ruff check app/ tests/
+
+      - name: Backend format check
+        run: uv run ruff format --check app/ tests/
+
+      - name: Backend typecheck
+        run: uv run pyright app/
+
+      - name: Backend tests
+        run: PYTHONPATH=. uv run pytest tests/ -v
+
+  frontend-checks:
+    runs-on: ubuntu-latest
+    timeout-minutes: 45
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v5
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v6
+        with:
+          node-version: "22"
+          cache: npm
+          cache-dependency-path: frontend/package-lock.json
+
+      - name: Install frontend dependencies
+        run: npm ci
+        working-directory: frontend
+
+      - name: Frontend lint
+        run: npm run lint
+        working-directory: frontend
+
+      - name: Frontend format check
+        run: npm run format:check
+        working-directory: frontend
+
+      - name: Frontend tests
+        run: npm run test:run
+        working-directory: frontend
+
+      - name: Frontend build
+        run: npm run build
+        working-directory: frontend

.gitignore

@@ -8,7 +8,6 @@ wheels/
 # Virtual environments
 .venv
 frontend/node_modules/
-frontend/package-lock.json
 frontend/test-results/
 
 # Frontend build output (built from source by end users)

AGENTS.md

@@ -21,8 +21,8 @@ A web interface for MeshCore mesh radio networks. The backend connects to a Mesh
 - `frontend/AGENTS.md` - Frontend (React, state management, WebSocket, components)
 
 Ancillary AGENTS.md files which should generally not be reviewed unless specific work is being performed on those features include:
-- `app/fanout/AGENTS_fanout.md` - Fanout bus architecture (MQTT, bots, webhooks, Apprise)
-- `frontend/src/components/AGENTS_packet_visualizer.md` - Packet visualizer (force-directed graph, advert-path identity, layout engine)
+- `app/fanout/AGENTS_fanout.md` - Fanout bus architecture (MQTT, bots, webhooks, Apprise, SQS)
+- `frontend/src/components/visualizer/AGENTS_packet_visualizer.md` - Packet visualizer (force-directed graph, advert-path identity, layout engine)
 
 ## Architecture Overview
 
@@ -77,13 +77,15 @@ Ancillary AGENTS.md files which should generally not be reviewed unless specific
 - Raw packet feed — a debug/observation tool ("radio aquarium"); interesting to watch or copy packets from, but not critical infrastructure
 - Map view — visual display of node locations from advertisements
 - Network visualizer — force-directed graph of mesh topology
-- Fanout integrations (MQTT, bots, webhooks, Apprise) — see `app/fanout/AGENTS_fanout.md`
+- Fanout integrations (MQTT, bots, webhooks, Apprise, SQS) — see `app/fanout/AGENTS_fanout.md`
 - Read state tracking / mark-all-read — convenience feature for unread badges; no need for transactional atomicity or race-condition hardening
 
 ## Error Handling Philosophy
 
 **Background tasks** (WebSocket broadcasts, periodic sync, contact auto-loading, etc.) use fire-and-forget `asyncio.create_task`. Exceptions in these tasks are logged to the backend logs, which is sufficient for debugging. There is no need to track task references or add done-callbacks purely for error visibility. If there's a convenient way to bubble an error to the frontend (e.g., via `broadcast_error` for user-actionable problems), do so, but this is minor and best-effort.
 
+Radio startup/setup is one place where that frontend bubbling is intentional: if post-connect setup hangs past its timeout, the backend both logs the failure and pushes a toast instructing the operator to reboot the radio and restart the server.
+
 ## Key Design Principles
 
 1. **Store-and-serve**: Backend stores all packets even when no client is connected
@@ -107,7 +109,7 @@ Ancillary AGENTS.md files which should generally not be reviewed unless specific
 The following are **deliberate design choices**, not bugs. They are documented in the README with appropriate warnings. Do not "fix" these or flag them as vulnerabilities.
 
 1. **No CORS restrictions**: The backend allows all origins (`allow_origins=["*"]`). This lets users access their radio from any device/origin on their network without configuration hassle.
-2. **No authentication or authorization**: There is no login, no API keys, no session management. The app is designed for trusted networks (home LAN, VPN). The README warns users not to expose it to untrusted networks.
+2. **Minimal optional access control only**: The app has no user accounts, sessions, authorization model, or per-feature permissions. Operators may optionally set `MESHCORE_BASIC_AUTH_USERNAME` and `MESHCORE_BASIC_AUTH_PASSWORD` for app-wide HTTP Basic auth, but this is only a coarse gate and still requires HTTPS plus a trusted network posture.
 3. **Arbitrary bot code execution**: The bot system (`app/fanout/bot_exec.py`) executes user-provided Python via `exec()` with full `__builtins__`. This is intentional — bots are a power-user feature for automation. The README explicitly warns that anyone on the network can execute arbitrary code through this. Operators can set `MESHCORE_DISABLE_BOTS=true` to completely disable the bot system at startup — this skips all bot execution, returns 403 on bot settings updates, and shows a disabled message in the frontend.
 
 ## Intentional Packet Handling Decision
@@ -179,7 +181,7 @@ This message-layer echo/path handling is independent of raw-packet storage dedup
 │   ├── event_handlers.py   # Radio events
 │   ├── decoder.py          # Packet decryption
 │   ├── websocket.py        # Real-time broadcasts
-│   └── fanout/             # Fanout bus: MQTT, bots, webhooks, Apprise (see fanout/AGENTS_fanout.md)
+│   └── fanout/             # Fanout bus: MQTT, bots, webhooks, Apprise, SQS (see fanout/AGENTS_fanout.md)
 ├── frontend/               # React frontend
 │   ├── AGENTS.md           # Frontend documentation
 │   ├── src/
@@ -221,7 +223,7 @@ MESHCORE_SERIAL_PORT=/dev/cu.usbserial-0001 uv run uvicorn app.main:app --reload
 
 ```bash
 cd frontend
-npm install
+npm ci
 npm run dev    # http://localhost:5173, proxies /api to :8000
 ```
 
@@ -235,7 +237,7 @@ Terminal 2: `cd frontend && npm run dev`
 In production, the FastAPI backend serves the compiled frontend. Build the frontend first:
 
 ```bash
-cd frontend && npm install && npm run build && cd ..
+cd frontend && npm ci && npm run build && cd ..
 uv run uvicorn app.main:app --host 0.0.0.0 --port 8000
 ```
 
@@ -288,14 +290,17 @@ All endpoints are prefixed with `/api` (e.g., `/api/health`).
 | Method | Endpoint | Description |
 |--------|----------|-------------|
 | GET | `/api/health` | Connection status, fanout statuses, bots_disabled flag |
-| GET | `/api/radio/config` | Radio configuration, including `path_hash_mode` and `path_hash_mode_supported` |
-| PATCH | `/api/radio/config` | Update name, location, radio params, and `path_hash_mode` when supported |
+| GET | `/api/radio/config` | Radio configuration, including `path_hash_mode`, `path_hash_mode_supported`, and whether adverts include current node location |
+| PATCH | `/api/radio/config` | Update name, location, advert-location on/off, radio params, and `path_hash_mode` when supported |
 | PUT | `/api/radio/private-key` | Import private key to radio |
 | POST | `/api/radio/advertise` | Send advertisement |
 | POST | `/api/radio/reboot` | Reboot radio or reconnect if disconnected |
+| POST | `/api/radio/disconnect` | Disconnect from radio and pause automatic reconnect attempts |
 | POST | `/api/radio/reconnect` | Manual radio reconnection |
 | GET | `/api/contacts` | List contacts |
+| GET | `/api/contacts/analytics` | Unified keyed-or-name contact analytics payload |
 | GET | `/api/contacts/repeaters/advert-paths` | List recent unique advert paths for all contacts |
+| GET | `/api/contacts/name-detail` | Channel activity summary for a sender name without a resolved key |
 | GET | `/api/contacts/{public_key}` | Get contact by public key or prefix |
 | GET | `/api/contacts/{public_key}/detail` | Comprehensive contact profile (stats, name history, paths) |
 | GET | `/api/contacts/{public_key}/advert-paths` | List recent unique advert paths for a contact |
@@ -391,7 +396,7 @@ Read state (`last_read_at`) is tracked **server-side** for consistency across de
 
 **Note:** These are NOT the same as `Message.conversation_key` (the database field).
 
-### Fanout Bus (MQTT, Bots, Webhooks, Apprise)
+### Fanout Bus (MQTT, Bots, Webhooks, Apprise, SQS)
 
 All external integrations are managed through the fanout bus (`app/fanout/`). Each integration is a `FanoutModule` with scope-based event filtering, stored in the `fanout_configs` table and managed via `GET/POST/PATCH/DELETE /api/fanout`.
 
@@ -440,8 +445,11 @@ mc.subscribe(EventType.ACK, handler)
 | `MESHCORE_LOG_LEVEL` | `INFO` | Logging level (`DEBUG`/`INFO`/`WARNING`/`ERROR`) |
 | `MESHCORE_DATABASE_PATH` | `data/meshcore.db` | SQLite database location |
 | `MESHCORE_DISABLE_BOTS` | `false` | Disable bot system entirely (blocks execution and config) |
+| `MESHCORE_ENABLE_MESSAGE_POLL_FALLBACK` | `false` | Switch the always-on message audit task from hourly checks to aggressive 10-second `get_msg()` fallback polling |
+| `MESHCORE_BASIC_AUTH_USERNAME` | *(none)* | Optional app-wide HTTP Basic auth username; must be set together with `MESHCORE_BASIC_AUTH_PASSWORD` |
+| `MESHCORE_BASIC_AUTH_PASSWORD` | *(none)* | Optional app-wide HTTP Basic auth password; must be set together with `MESHCORE_BASIC_AUTH_USERNAME` |
 
-**Note:** Runtime app settings are stored in the database (`app_settings` table), not environment variables. These include `max_radio_contacts`, `auto_decrypt_dm_on_advert`, `sidebar_sort_order`, `advert_interval`, `last_advert_time`, `favorites`, `last_message_times`, `flood_scope`, `blocked_keys`, and `blocked_names`. They are configured via `GET/PATCH /api/settings`. MQTT, bot, webhook, and Apprise configs are stored in the `fanout_configs` table, managed via `/api/fanout`.
+**Note:** Runtime app settings are stored in the database (`app_settings` table), not environment variables. These include `max_radio_contacts`, `auto_decrypt_dm_on_advert`, `sidebar_sort_order`, `advert_interval`, `last_advert_time`, `favorites`, `last_message_times`, `flood_scope`, `blocked_keys`, and `blocked_names`. `max_radio_contacts` is the configured radio contact capacity baseline used by background maintenance: favorites reload first, non-favorite fill targets about 80% of that value, and full offload/reload triggers around 95% occupancy. They are configured via `GET/PATCH /api/settings`. MQTT, bot, webhook, Apprise, and SQS configs are stored in the `fanout_configs` table, managed via `/api/fanout`.
 
 Byte-perfect channel retries are user-triggered via `POST /api/messages/channel/{message_id}/resend` and are allowed for 30 seconds after the original send.
 
@@ -454,3 +462,9 @@ Byte-perfect channel retries are user-triggered via `POST /api/messages/channel/
 The vendored MeshCore Python reader's `LOG_DATA` advert path assumes the decoded advert payload always contains at least 101 bytes of advert body and reads the flags byte with `pk_buf.read(1)[0]` without a length guard. If a malformed or truncated RF log frame slips through, `MessageReader.handle_rx()` can fail with `IndexError: index out of range` from `meshcore/reader.py` while parsing payload type `0x04` (advert).
 
 This does not indicate database corruption or a message-store bug. It is a parser-hardening gap in `meshcore_py`: the reader does not fully mirror firmware-side packet/path validation before attempting advert decode. The practical effect is usually a one-off asyncio task failure for that packet while later packets continue processing normally.
+
+### Channel-message dedup intentionally treats same-name/same-text/same-second channel sends as indistinguishable because they are
+
+Channel message storage deduplicates on `(type, conversation_key, text, sender_timestamp)`. Reviewers often flag this as "missing sender identity," but for channel messages the stored `text` already includes the displayed sender label (for example `Alice: hello`). That means two different users only collide when they produce the same rendered sender name, the same body text, and the same sender timestamp.
+
+In that case, RemoteTerm usually does not have enough information to distinguish "two independent same-name sends" from "one message observed again as an echo/repeat." Without a reliable sender identity at ingest, treating those packets as the same message is an accepted limitation of the observable data model, not an obvious correctness bug.

CHANGELOG.md

@@ -1,3 +1,63 @@
+## [3.2.0] - 2026-03-12
+
+Feature: Improve ambiguous-sender DM handling and visibility
+Feature: Allow for toggling of node GPS broadcast
+Feature: Add path width to bot and move example to full kwargs
+Feature: Improve node map color contrast
+Bugfix: More accurate tracking of contact data
+Bugfix: Misc. frontend performance and bugfixes
+Misc: Clearer warnings on user-key linkage
+Misc: Documentation improvements
+
+## [3.1.1] - 2026-03-11
+
+Feature: Add basic auth
+Feature: SQS fanout
+Feature: Enrich contact info pane
+Feature: Search operators for node and channel
+Feature: Pause radio connection attempts from Radio settings
+Feature: New themes! What a great use of time!
+Feature: Github workflows runs for validation
+Bugfix: More consistent log format with times
+Bugfix: Patch meshcore_py bluetooth eager reconnection out during pauses
+
+## [3.1.0] - 2026-03-11
+
+Feature: Add basic auth
+Feature: SQS fanout
+Feature: Enrich contact info pane
+Feature: Search operators for node and channel
+Feature: Pause radio connection attempts from Radio settings
+Feature: New themes! What a great use of time!
+Feature: Github workflows runs for validation
+Bugfix: More consistent log format with times
+Bugfix: Patch meshcore_py bluetooth eager reconnection out during pauses
+
+## [3.0.0] - 2026-03-10
+
+Feature: Custom regions per-channel
+Feature: Add custom contact pathing
+Feature: Corrupt packets are more clear that they're corrupt
+Feature: Better, faster patterns around background fetching with explicit opt-in for recurring sync if the app detects you need it
+Feature: More consistent icons
+Feature: Add per-channel local notifications
+Feature: New themes
+Feature: Massive codebase refactor and overhaul
+Bugfix: Fix packet parsing for trace packets
+Bugfix: Refetch channels on reconnect
+Bugfix: Load All on repeater pane on mobile doesn't etend into lower text
+Bugfix: Timestamps in logs
+Bugfix: Correct wrong clock sync command
+Misc: Improve bot error bubble up
+Misc: Update to non-lib-included meshcore-decoder version
+Misc: Revise refactors to be more LLM friendly
+Misc: Fix script executability
+Misc: Better logging format with timestamp
+Misc: Repeater advert buttons separate flood and one-hop
+Misc: Preserve repeater pane on navigation away
+Misc: Clearer iconography and coloring for status bar buttons
+Misc: Search bar to top bar
+
 ## [2.7.9] - 2026-03-08
 
 Bugfix: Don't obscure new integration dropdown on session boundary

Dockerfile

@@ -5,8 +5,8 @@ ARG COMMIT_HASH=unknown
 
 WORKDIR /build
 
-COPY frontend/package.json frontend/.npmrc ./
-RUN npm install
+COPY frontend/package.json frontend/package-lock.json frontend/.npmrc ./
+RUN npm ci
 
 COPY frontend/ ./
 RUN VITE_COMMIT_HASH=${COMMIT_HASH} npm run build

LICENSES.md

@@ -91,6 +91,192 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 </details>
 
+### boto3 (1.42.66) — Apache-2.0
+
+<details>
+<summary>Full license text</summary>
+
+```
+Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
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+
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+      any Contribution intentionally submitted for inclusion in the Work
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+      the terms of any separate license agreement you may have executed
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+   END OF TERMS AND CONDITIONS
+```
+
+</details>
+
 ### fastapi (0.128.0) — MIT
 
 <details>

README.md

@@ -12,7 +12,7 @@ Backend server + browser interface for MeshCore mesh radio networks. Connect you
 * Use the more recent 1.14 firmwares which support multibyte pathing in all traffic and display systems within the app
 * Visualize the mesh as a map or node set, view repeater stats, and more!
 
-**Warning:** This app has no auth, and is for trusted environments only. _Do not put this on an untrusted network, or open it to the public._ The bots can execute arbitrary Python code which means anyone on your network can, too. To completely disable the bot system, start the server with `MESHCORE_DISABLE_BOTS=true` — this prevents all bot execution and blocks bot configuration changes via the API. If you need access control, consider using a reverse proxy like Nginx, or extending FastAPI; access control and user management are outside the scope of this app.
+**Warning:** This app is for trusted environments only. _Do not put this on an untrusted network, or open it to the public._ You can optionally set `MESHCORE_BASIC_AUTH_USERNAME` and `MESHCORE_BASIC_AUTH_PASSWORD` for app-wide HTTP Basic auth, but that is only a coarse gate and must be paired with HTTPS. The bots can execute arbitrary Python code which means anyone who gets access to the app can, too. To completely disable the bot system, start the server with `MESHCORE_DISABLE_BOTS=true` — this prevents all bot execution and blocks bot configuration changes via the API. If you need stronger access control, consider using a reverse proxy like Nginx, or extending FastAPI; full access control and user management are outside the scope of this app.
 
 ![Screenshot of the application's web interface](app_screenshot.png)
 
@@ -77,7 +77,7 @@ cd Remote-Terminal-for-MeshCore
 uv sync
 
 # Build frontend
-cd frontend && npm install && npm run build && cd ..
+cd frontend && npm ci && npm run build && cd ..
 
 # Run server
 uv run uvicorn app.main:app --host 0.0.0.0 --port 8000
@@ -175,7 +175,7 @@ uv run uvicorn app.main:app --reload
 
 ```bash
 cd frontend
-npm install
+npm ci
 npm run dev      # Dev server at http://localhost:5173 (proxies API to :8000)
 npm run build    # Production build to dist/
 ```
@@ -224,9 +224,16 @@ npm run build                        # build the frontend
 | `MESHCORE_LOG_LEVEL` | INFO | DEBUG, INFO, WARNING, ERROR |
 | `MESHCORE_DATABASE_PATH` | data/meshcore.db | SQLite database path |
 | `MESHCORE_DISABLE_BOTS` | false | Disable bot system entirely (blocks execution and config) |
+| `MESHCORE_ENABLE_MESSAGE_POLL_FALLBACK` | false | Run aggressive 10-second `get_msg()` fallback polling instead of the default hourly audit task |
+| `MESHCORE_BASIC_AUTH_USERNAME` | | Optional app-wide HTTP Basic auth username; must be set together with `MESHCORE_BASIC_AUTH_PASSWORD` |
+| `MESHCORE_BASIC_AUTH_PASSWORD` | | Optional app-wide HTTP Basic auth password; must be set together with `MESHCORE_BASIC_AUTH_USERNAME` |
 
 Only one transport may be active at a time. If multiple are set, the server will refuse to start.
 
+If you enable Basic Auth, protect the app with HTTPS. HTTP Basic credentials are not safe on plain HTTP.
+
+By default the app relies on radio events plus MeshCore auto-fetch for incoming messages, and also runs a low-frequency hourly audit poll. If that audit ever finds radio data that was not surfaced through event subscription, the backend logs an error and the UI shows a toast telling the operator to check the logs. If you see that warning, or if messages on the radio never show up in the app, try `MESHCORE_ENABLE_MESSAGE_POLL_FALLBACK=true` to switch that task into a more aggressive 10-second `get_msg()` safety net.
+
 ## Additional Setup
 
 <details>
@@ -280,7 +287,7 @@ sudo -u remoteterm uv sync
 
 # Build frontend (required for the backend to serve the web UI)
 cd /opt/remoteterm/frontend
-sudo -u remoteterm npm install
+sudo -u remoteterm npm ci
 sudo -u remoteterm npm run build
 
 # Install and start service

app/AGENTS.md

@@ -44,9 +44,11 @@ app/
 ├── event_handlers.py    # MeshCore event subscriptions and ACK tracking
 ├── events.py            # Typed WS event payload serialization
 ├── websocket.py         # WS manager + broadcast helpers
-├── fanout/              # Fanout bus: MQTT, bots, webhooks, Apprise (see fanout/AGENTS_fanout.md)
+├── security.py          # Optional app-wide HTTP Basic auth middleware for HTTP + WS
+├── fanout/              # Fanout bus: MQTT, bots, webhooks, Apprise, SQS (see fanout/AGENTS_fanout.md)
 ├── dependencies.py      # Shared FastAPI dependency providers
 ├── path_utils.py        # Path hex rendering and hop-width helpers
+├── region_scope.py      # Normalize/validate regional flood-scope values
 ├── keystore.py          # Ephemeral private/public key storage for DM decryption
 ├── frontend_static.py   # Mount/serve built frontend (production)
 └── routers/
@@ -87,7 +89,8 @@ app/
 - `RadioManager.post_connect_setup()` delegates to `services/radio_lifecycle.py`.
 - Routers, startup/lifespan code, fanout helpers, and `radio_sync.py` should reach radio state through `services/radio_runtime.py`, not by importing `app.radio.radio_manager` directly.
 - Shared reconnect/setup helpers in `services/radio_lifecycle.py` are used by startup, the monitor, and manual reconnect/reboot flows before broadcasting healthy state.
-- Setup still includes handler registration, key export, time sync, contact/channel sync, polling/advert tasks.
+- Setup still includes handler registration, key export, time sync, contact/channel sync, and advertisement tasks. The message-poll task always starts: by default it runs as a low-frequency hourly audit, and `MESHCORE_ENABLE_MESSAGE_POLL_FALLBACK=true` switches it to aggressive 10-second polling.
+- Post-connect setup is timeout-bounded. If initial radio offload/setup hangs too long, the backend logs the failure and broadcasts an `error` toast telling the operator to reboot the radio and restart the server.
 
 ## Important Behaviors
 
@@ -130,7 +133,7 @@ app/
 
 ### Fanout bus
 
-- All external integrations (MQTT, bots, webhooks, Apprise) are managed through the fanout bus (`app/fanout/`).
+- All external integrations (MQTT, bots, webhooks, Apprise, SQS) are managed through the fanout bus (`app/fanout/`).
 - Configs stored in `fanout_configs` table, managed via `GET/POST/PATCH/DELETE /api/fanout`.
 - `broadcast_event()` in `websocket.py` dispatches to the fanout manager for `message` and `raw_packet` events.
 - Each integration is a `FanoutModule` with scope-based filtering.
@@ -143,16 +146,19 @@ app/
 - `GET /health`
 
 ### Radio
-- `GET /radio/config` — includes `path_hash_mode` and `path_hash_mode_supported`
+- `GET /radio/config` — includes `path_hash_mode`, `path_hash_mode_supported`, and advert-location on/off
 - `PATCH /radio/config` — may update `path_hash_mode` (`0..2`) when firmware supports it
 - `PUT /radio/private-key`
 - `POST /radio/advertise`
+- `POST /radio/disconnect`
 - `POST /radio/reboot`
 - `POST /radio/reconnect`
 
 ### Contacts
 - `GET /contacts`
+- `GET /contacts/analytics` — unified keyed-or-name analytics payload
 - `GET /contacts/repeaters/advert-paths` — recent advert paths for all contacts
+- `GET /contacts/name-detail` — name-only activity summary for unresolved channel senders
 - `GET /contacts/{public_key}`
 - `GET /contacts/{public_key}/detail` — comprehensive contact profile (stats, name history, paths, nearest repeaters)
 - `GET /contacts/{public_key}/advert-paths` — recent advert paths for one contact
@@ -230,7 +236,7 @@ app/
 - `contact_deleted` — contact removed from database (payload: `{ public_key }`)
 - `channel` — single channel upsert/update (payload: full `Channel`)
 - `channel_deleted` — channel removed from database (payload: `{ key }`)
-- `error` — toast notification (reconnect failure, missing private key, etc.)
+- `error` — toast notification (reconnect failure, missing private key, stuck radio startup, etc.)
 - `success` — toast notification (historical decrypt complete, etc.)
 
 Backend WS sends go through typed serialization in `events.py`. Initial WS connect sends `health` only. Contacts/channels are loaded by REST.
@@ -250,6 +256,8 @@ Main tables:
 
 Repository writes should prefer typed models such as `ContactUpsert` over ad hoc dict payloads when adding or updating schema-coupled data.
 
+`max_radio_contacts` is the configured radio contact capacity baseline. Favorites reload first, the app refills non-favorite working-set contacts to about 80% of that capacity, and periodic offload triggers once occupancy reaches about 95%.
+
 `app_settings` fields in active model:
 - `max_radio_contacts`
 - `favorites`
@@ -289,16 +297,20 @@ tests/
 ├── test_api.py                 # REST endpoint integration tests
 ├── test_bot.py                 # Bot execution and sandboxing
 ├── test_channels_router.py     # Channels router endpoints
+├── test_channel_sender_backfill.py # Sender-key backfill uniqueness rules for channel messages
 ├── test_config.py              # Configuration validation
+├── test_contact_reconciliation_service.py # Prefix/contact reconciliation service helpers
 ├── test_contacts_router.py     # Contacts router endpoints
 ├── test_decoder.py             # Packet parsing/decryption
 ├── test_disable_bots.py        # MESHCORE_DISABLE_BOTS=true feature
 ├── test_echo_dedup.py          # Echo/repeat deduplication (incl. concurrent)
 ├── test_fanout.py              # Fanout bus CRUD, scope matching, manager dispatch
 ├── test_fanout_integration.py  # Fanout integration tests
+├── test_fanout_hitlist.py      # Fanout-related hitlist regression tests
 ├── test_event_handlers.py      # ACK tracking, event registration, cleanup
 ├── test_frontend_static.py     # Frontend static file serving
 ├── test_health_mqtt_status.py  # Health endpoint MQTT status field
+├── test_http_quality.py        # Cache-control / gzip / basic-auth HTTP quality checks
 ├── test_key_normalization.py   # Public key normalization
 ├── test_keystore.py            # Ephemeral keystore
 ├── test_message_pagination.py  # Cursor-based message pagination
@@ -311,6 +323,7 @@ tests/
 ├── test_radio.py               # RadioManager, serial detection
 ├── test_radio_commands_service.py # Radio config/private-key service workflows
 ├── test_radio_lifecycle_service.py # Reconnect/setup orchestration helpers
+├── test_radio_runtime_service.py # radio_runtime seam behavior and helpers
 ├── test_real_crypto.py         # Real cryptographic operations
 ├── test_radio_operation.py     # radio_operation() context manager
 ├── test_radio_router.py        # Radio router endpoints
@@ -320,11 +333,10 @@ tests/
 ├── test_rx_log_data.py         # on_rx_log_data event handler integration
 ├── test_messages_search.py      # Message search, around, forward pagination
 ├── test_block_lists.py          # Blocked keys/names filtering
+├── test_security.py            # Optional Basic Auth middleware / config behavior
 ├── test_send_messages.py       # Outgoing messages, bot triggers, concurrent sends
 ├── test_settings_router.py     # Settings endpoints, advert validation
 ├── test_statistics.py          # Statistics aggregation
-├── test_channel_sender_backfill.py # Sender key backfill for channel messages
-├── test_fanout_hitlist.py      # Fanout-related hitlist regression tests
 ├── test_main_startup.py        # App startup and lifespan
 ├── test_path_utils.py          # Path hex rendering helpers
 ├── test_websocket.py           # WS manager broadcast/cleanup

app/config.py

@@ -1,4 +1,5 @@
 import logging
+import logging.config
 from typing import Literal
 
 from pydantic import model_validator
@@ -17,6 +18,9 @@ class Settings(BaseSettings):
     log_level: Literal["DEBUG", "INFO", "WARNING", "ERROR"] = "INFO"
     database_path: str = "data/meshcore.db"
     disable_bots: bool = False
+    enable_message_poll_fallback: bool = False
+    basic_auth_username: str = ""
+    basic_auth_password: str = ""
 
     @model_validator(mode="after")
     def validate_transport_exclusivity(self) -> "Settings":
@@ -34,6 +38,11 @@ class Settings(BaseSettings):
             )
         if self.ble_address and not self.ble_pin:
             raise ValueError("MESHCORE_BLE_PIN is required when MESHCORE_BLE_ADDRESS is set.")
+        if self.basic_auth_partially_configured:
+            raise ValueError(
+                "MESHCORE_BASIC_AUTH_USERNAME and MESHCORE_BASIC_AUTH_PASSWORD "
+                "must be set together."
+            )
         return self
 
     @property
@@ -44,6 +53,15 @@ class Settings(BaseSettings):
             return "ble"
         return "serial"
 
+    @property
+    def basic_auth_enabled(self) -> bool:
+        return bool(self.basic_auth_username and self.basic_auth_password)
+
+    @property
+    def basic_auth_partially_configured(self) -> bool:
+        any_credentials_set = bool(self.basic_auth_username or self.basic_auth_password)
+        return any_credentials_set and not self.basic_auth_enabled
+
 
 settings = Settings()
 
@@ -84,10 +102,54 @@ class _RepeatSquelch(logging.Filter):
 
 def setup_logging() -> None:
     """Configure logging for the application."""
-    logging.basicConfig(
-        level=settings.log_level,
-        format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
-        datefmt="%Y-%m-%d %H:%M:%S",
+    logging.config.dictConfig(
+        {
+            "version": 1,
+            "disable_existing_loggers": False,
+            "formatters": {
+                "default": {
+                    "format": "%(asctime)s - %(name)s - %(levelname)s - %(message)s",
+                    "datefmt": "%Y-%m-%d %H:%M:%S",
+                },
+                "uvicorn_access": {
+                    "()": "uvicorn.logging.AccessFormatter",
+                    "fmt": '%(asctime)s - %(name)s - %(levelname)s - %(client_addr)s - "%(request_line)s" %(status_code)s',
+                    "datefmt": "%Y-%m-%d %H:%M:%S",
+                    "use_colors": None,
+                },
+            },
+            "handlers": {
+                "default": {
+                    "class": "logging.StreamHandler",
+                    "formatter": "default",
+                },
+                "uvicorn_access": {
+                    "class": "logging.StreamHandler",
+                    "formatter": "uvicorn_access",
+                },
+            },
+            "root": {
+                "level": settings.log_level,
+                "handlers": ["default"],
+            },
+            "loggers": {
+                "uvicorn": {
+                    "level": settings.log_level,
+                    "handlers": ["default"],
+                    "propagate": False,
+                },
+                "uvicorn.error": {
+                    "level": settings.log_level,
+                    "handlers": ["default"],
+                    "propagate": False,
+                },
+                "uvicorn.access": {
+                    "level": settings.log_level,
+                    "handlers": ["uvicorn_access"],
+                    "propagate": False,
+                },
+            },
+        }
     )
     # Squelch repeated messages from the meshcore library (e.g. rapid-fire
     # "Serial Connection started" when the port is contended).

app/event_handlers.py

@@ -13,6 +13,7 @@ from app.repository import (
 from app.services import dm_ack_tracker
 from app.services.contact_reconciliation import (
     claim_prefix_messages_for_contact,
+    promote_prefix_contacts_for_contact,
     record_contact_name_and_reconcile,
 )
 from app.services.messages import create_fallback_direct_message, increment_ack_and_broadcast
@@ -88,6 +89,20 @@ async def on_contact_message(event: "Event") -> None:
                 sender_pubkey[:12],
             )
             return
+    elif sender_pubkey:
+        placeholder_upsert = ContactUpsert(
+            public_key=sender_pubkey.lower(),
+            type=0,
+            last_seen=received_at,
+            last_contacted=received_at,
+            first_seen=received_at,
+            on_radio=False,
+            out_path_hash_mode=-1,
+        )
+        await ContactRepository.upsert(placeholder_upsert)
+        contact = await ContactRepository.get_by_key(sender_pubkey.lower())
+        if contact:
+            broadcast_event("contact", contact.model_dump())
 
     # Try to create message - INSERT OR IGNORE handles duplicates atomically
     # If the packet processor already stored this message, this returns None
@@ -231,6 +246,10 @@ async def on_new_contact(event: "Event") -> None:
     contact_upsert = ContactUpsert.from_radio_dict(public_key.lower(), payload, on_radio=True)
     contact_upsert.last_seen = int(time.time())
     await ContactRepository.upsert(contact_upsert)
+    promoted_keys = await promote_prefix_contacts_for_contact(
+        public_key=public_key,
+        log=logger,
+    )
 
     adv_name = payload.get("adv_name")
     await record_contact_name_and_reconcile(
@@ -251,6 +270,15 @@ async def on_new_contact(event: "Event") -> None:
             else Contact(**contact_upsert.model_dump(exclude_none=True)).model_dump()
         ),
     )
+    if db_contact:
+        for old_key in promoted_keys:
+            broadcast_event(
+                "contact_resolved",
+                {
+                    "previous_public_key": old_key,
+                    "contact": db_contact.model_dump(),
+                },
+            )
 
 
 async def on_ack(event: "Event") -> None:

app/events.py

@@ -16,6 +16,7 @@ WsEventType = Literal[
     "health",
     "message",
     "contact",
+    "contact_resolved",
     "channel",
     "contact_deleted",
     "channel_deleted",
@@ -30,6 +31,11 @@ class ContactDeletedPayload(TypedDict):
     public_key: str
 
 
+class ContactResolvedPayload(TypedDict):
+    previous_public_key: str
+    contact: Contact
+
+
 class ChannelDeletedPayload(TypedDict):
     key: str
 
@@ -49,6 +55,7 @@ WsEventPayload = (
     HealthResponse
     | Message
     | Contact
+    | ContactResolvedPayload
     | Channel
     | ContactDeletedPayload
     | ChannelDeletedPayload
@@ -61,6 +68,7 @@ _PAYLOAD_ADAPTERS: dict[WsEventType, TypeAdapter[Any]] = {
     "health": TypeAdapter(HealthResponse),
     "message": TypeAdapter(Message),
     "contact": TypeAdapter(Contact),
+    "contact_resolved": TypeAdapter(ContactResolvedPayload),
     "channel": TypeAdapter(Channel),
     "contact_deleted": TypeAdapter(ContactDeletedPayload),
     "channel_deleted": TypeAdapter(ChannelDeletedPayload),

app/fanout/AGENTS_fanout.md

@@ -79,6 +79,14 @@ Push notifications via Apprise library. Config blob:
 - `preserve_identity` — suppress Discord webhook name/avatar override
 - `include_path` — include routing path in notification body
 
+### sqs (sqs.py)
+Amazon SQS delivery. Config blob:
+- `queue_url` — target queue URL
+- `region_name` (optional), `endpoint_url` (optional)
+- `access_key_id`, `secret_access_key`, `session_token` (all optional; blank uses the normal AWS credential chain)
+- Publishes a JSON envelope of the form `{"event_type":"message"|"raw_packet","data":...}`
+- Supports both decoded messages and raw packets via normal scope selection
+
 ## Adding a New Integration Type
 
 ### Step-by-step checklist
@@ -132,7 +140,7 @@ Three changes needed:
 
 **a)** Add to `_VALID_TYPES` set:
 ```python
-_VALID_TYPES = {"mqtt_private", "mqtt_community", "bot", "webhook", "apprise", "my_type"}
+_VALID_TYPES = {"mqtt_private", "mqtt_community", "bot", "webhook", "apprise", "sqs", "my_type"}
 ```
 
 **b)** Add a validation function:
@@ -280,6 +288,7 @@ Migrations:
 - `app/fanout/bot_exec.py` — Bot code execution, response processing, rate limiting
 - `app/fanout/webhook.py` — Webhook fanout module
 - `app/fanout/apprise_mod.py` — Apprise fanout module
+- `app/fanout/sqs.py` — Amazon SQS fanout module
 - `app/repository/fanout.py` — Database CRUD
 - `app/routers/fanout.py` — REST API
 - `app/websocket.py` — `broadcast_event()` dispatches to fanout

app/fanout/bot.py

@@ -10,6 +10,36 @@ from app.fanout.base import FanoutModule
 logger = logging.getLogger(__name__)
 
 
+def _derive_path_bytes_per_hop(paths: object, path_value: str | None) -> int | None:
+    """Derive hop width from the first serialized message path when possible."""
+    if not isinstance(path_value, str) or not path_value:
+        return None
+    if not isinstance(paths, list) or not paths:
+        return None
+
+    first_path = paths[0]
+    if not isinstance(first_path, dict):
+        return None
+
+    path_hops = first_path.get("path_len")
+    if not isinstance(path_hops, int) or path_hops <= 0:
+        return None
+
+    path_hex_chars = len(path_value)
+    if path_hex_chars % 2 != 0:
+        return None
+
+    path_bytes = path_hex_chars // 2
+    if path_bytes % path_hops != 0:
+        return None
+
+    hop_width = path_bytes // path_hops
+    if hop_width not in (1, 2, 3):
+        return None
+
+    return hop_width
+
+
 class BotModule(FanoutModule):
     """Wraps a single bot's code execution and response routing.
 
@@ -101,11 +131,11 @@ class BotModule(FanoutModule):
 
         sender_timestamp = data.get("sender_timestamp")
         path_value = data.get("path")
+        paths = data.get("paths")
         # Message model serializes paths as list of dicts; extract first path string
-        if path_value is None:
-            paths = data.get("paths")
-            if paths and isinstance(paths, list) and len(paths) > 0:
-                path_value = paths[0].get("path") if isinstance(paths[0], dict) else None
+        if path_value is None and paths and isinstance(paths, list) and len(paths) > 0:
+            path_value = paths[0].get("path") if isinstance(paths[0], dict) else None
+        path_bytes_per_hop = _derive_path_bytes_per_hop(paths, path_value)
 
         # Wait for message to settle (allows retransmissions to be deduped)
         await asyncio.sleep(2)
@@ -130,6 +160,7 @@ class BotModule(FanoutModule):
                         sender_timestamp,
                         path_value,
                         is_outgoing,
+                        path_bytes_per_hop,
                     ),
                     timeout=BOT_EXECUTION_TIMEOUT,
                 )

app/fanout/bot_exec.py

@@ -15,6 +15,7 @@ import inspect
 import logging
 import time
 from concurrent.futures import ThreadPoolExecutor
+from dataclasses import dataclass
 from typing import Any
 
 from fastapi import HTTPException
@@ -39,6 +40,102 @@ _bot_send_lock = asyncio.Lock()
 _last_bot_send_time: float = 0.0
 
 
+@dataclass(frozen=True)
+class BotCallPlan:
+    """How to call a validated bot() function."""
+
+    call_style: str
+    keyword_args: tuple[str, ...] = ()
+
+
+def _analyze_bot_signature(bot_func_or_sig) -> BotCallPlan:
+    """Validate bot() signature and return a supported call plan."""
+    try:
+        sig = (
+            bot_func_or_sig
+            if isinstance(bot_func_or_sig, inspect.Signature)
+            else inspect.signature(bot_func_or_sig)
+        )
+    except (ValueError, TypeError) as exc:
+        raise ValueError("Bot function signature could not be inspected") from exc
+
+    params = sig.parameters
+    param_values = tuple(params.values())
+    positional_params = [
+        p
+        for p in param_values
+        if p.kind in (inspect.Parameter.POSITIONAL_ONLY, inspect.Parameter.POSITIONAL_OR_KEYWORD)
+    ]
+    has_varargs = any(p.kind == inspect.Parameter.VAR_POSITIONAL for p in param_values)
+    has_kwargs = any(p.kind == inspect.Parameter.VAR_KEYWORD for p in param_values)
+    explicit_optional_names = tuple(
+        name for name in ("is_outgoing", "path_bytes_per_hop") if name in params
+    )
+    unsupported_required_kwonly = [
+        p.name
+        for p in param_values
+        if p.kind == inspect.Parameter.KEYWORD_ONLY
+        and p.default is inspect.Parameter.empty
+        and p.name not in {"is_outgoing", "path_bytes_per_hop"}
+    ]
+    if unsupported_required_kwonly:
+        raise ValueError(
+            "Bot function signature is not supported. Unsupported required keyword-only "
+            "parameters: " + ", ".join(unsupported_required_kwonly)
+        )
+
+    positional_capacity = len(positional_params)
+    base_args = [object()] * 8
+    base_keyword_args: dict[str, object] = {
+        "sender_name": object(),
+        "sender_key": object(),
+        "message_text": object(),
+        "is_dm": object(),
+        "channel_key": object(),
+        "channel_name": object(),
+        "sender_timestamp": object(),
+        "path": object(),
+    }
+    candidate_specs: list[tuple[str, list[object], dict[str, object]]] = []
+    keyword_args = dict(base_keyword_args)
+    if has_kwargs or "is_outgoing" in params:
+        keyword_args["is_outgoing"] = False
+    if has_kwargs or "path_bytes_per_hop" in params:
+        keyword_args["path_bytes_per_hop"] = 1
+    candidate_specs.append(("keyword", [], keyword_args))
+
+    if not has_kwargs and explicit_optional_names:
+        kwargs: dict[str, object] = {}
+        if has_kwargs or "is_outgoing" in params:
+            kwargs["is_outgoing"] = False
+        if has_kwargs or "path_bytes_per_hop" in params:
+            kwargs["path_bytes_per_hop"] = 1
+        candidate_specs.append(("mixed_keyword", base_args, kwargs))
+
+    if has_varargs or positional_capacity >= 10:
+        candidate_specs.append(("positional_10", base_args + [False, 1], {}))
+    if has_varargs or positional_capacity >= 9:
+        candidate_specs.append(("positional_9", base_args + [False], {}))
+    if has_varargs or positional_capacity >= 8:
+        candidate_specs.append(("legacy", base_args, {}))
+
+    for call_style, args, kwargs in candidate_specs:
+        try:
+            sig.bind(*args, **kwargs)
+        except TypeError:
+            continue
+        if call_style in {"keyword", "mixed_keyword"}:
+            return BotCallPlan(call_style="keyword", keyword_args=tuple(kwargs.keys()))
+        return BotCallPlan(call_style=call_style)
+
+    raise ValueError(
+        "Bot function signature is not supported. Use the default bot template as a reference. "
+        "Supported trailing parameters are: path; path + is_outgoing; "
+        "path + path_bytes_per_hop; path + is_outgoing + path_bytes_per_hop; "
+        "or use **kwargs for forward compatibility."
+    )
+
+
 def execute_bot_code(
     code: str,
     sender_name: str | None,
@@ -50,17 +147,19 @@ def execute_bot_code(
     sender_timestamp: int | None,
     path: str | None,
     is_outgoing: bool = False,
+    path_bytes_per_hop: int | None = None,
 ) -> str | list[str] | None:
     """
     Execute user-provided bot code with message context.
 
     The code should define a function:
-    `bot(sender_name, sender_key, message_text, is_dm, channel_key, channel_name, sender_timestamp, path, is_outgoing)`
+    `bot(sender_name, sender_key, message_text, is_dm, channel_key, channel_name, sender_timestamp, path, is_outgoing, path_bytes_per_hop)`
+    or use named parameters / `**kwargs`.
     that returns either None (no response), a string (single response message),
     or a list of strings (multiple messages sent in order).
 
-    Legacy bot functions with 8 parameters (without is_outgoing) are detected
-    via inspect and called without the new parameter for backward compatibility.
+    Legacy bot functions with older signatures are detected via inspect and
+    called without the newer parameters for backward compatibility.
 
     Args:
         code: Python code defining the bot function
@@ -73,6 +172,7 @@ def execute_bot_code(
         sender_timestamp: Sender's timestamp from the message (may be None)
         path: Hex-encoded routing path (may be None)
         is_outgoing: True if this is our own outgoing message
+        path_bytes_per_hop: Number of bytes per routing hop (1, 2, or 3), if known
 
     Returns:
         Response string, list of strings, or None.
@@ -100,30 +200,28 @@ def execute_bot_code(
         return None
 
     bot_func = namespace["bot"]
-
-    # Detect whether the bot function accepts is_outgoing (new 9-param signature)
-    # or uses the legacy 8-param signature, for backward compatibility.
-    # Three cases: explicit is_outgoing param or 9+ params (positional),
-    # **kwargs (pass as keyword), or legacy 8-param (omit).
-    call_style = "legacy"  # "positional", "keyword", or "legacy"
     try:
-        sig = inspect.signature(bot_func)
-        params = sig.parameters
-        non_variadic = [
-            p
-            for p in params.values()
-            if p.kind not in (inspect.Parameter.VAR_POSITIONAL, inspect.Parameter.VAR_KEYWORD)
-        ]
-        if "is_outgoing" in params or len(non_variadic) >= 9:
-            call_style = "positional"
-        elif any(p.kind == inspect.Parameter.VAR_KEYWORD for p in params.values()):
-            call_style = "keyword"
-    except (ValueError, TypeError):
-        pass
+        call_plan = _analyze_bot_signature(bot_func)
+    except ValueError as exc:
+        logger.error("%s", exc)
+        return None
 
     try:
         # Call the bot function with appropriate signature
-        if call_style == "positional":
+        if call_plan.call_style == "positional_10":
+            result = bot_func(
+                sender_name,
+                sender_key,
+                message_text,
+                is_dm,
+                channel_key,
+                channel_name,
+                sender_timestamp,
+                path,
+                is_outgoing,
+                path_bytes_per_hop,
+            )
+        elif call_plan.call_style == "positional_9":
             result = bot_func(
                 sender_name,
                 sender_key,
@@ -135,18 +233,29 @@ def execute_bot_code(
                 path,
                 is_outgoing,
             )
-        elif call_style == "keyword":
-            result = bot_func(
-                sender_name,
-                sender_key,
-                message_text,
-                is_dm,
-                channel_key,
-                channel_name,
-                sender_timestamp,
-                path,
-                is_outgoing=is_outgoing,
-            )
+        elif call_plan.call_style == "keyword":
+            keyword_args: dict[str, Any] = {}
+            if "sender_name" in call_plan.keyword_args:
+                keyword_args["sender_name"] = sender_name
+            if "sender_key" in call_plan.keyword_args:
+                keyword_args["sender_key"] = sender_key
+            if "message_text" in call_plan.keyword_args:
+                keyword_args["message_text"] = message_text
+            if "is_dm" in call_plan.keyword_args:
+                keyword_args["is_dm"] = is_dm
+            if "channel_key" in call_plan.keyword_args:
+                keyword_args["channel_key"] = channel_key
+            if "channel_name" in call_plan.keyword_args:
+                keyword_args["channel_name"] = channel_name
+            if "sender_timestamp" in call_plan.keyword_args:
+                keyword_args["sender_timestamp"] = sender_timestamp
+            if "path" in call_plan.keyword_args:
+                keyword_args["path"] = path
+            if "is_outgoing" in call_plan.keyword_args:
+                keyword_args["is_outgoing"] = is_outgoing
+            if "path_bytes_per_hop" in call_plan.keyword_args:
+                keyword_args["path_bytes_per_hop"] = path_bytes_per_hop
+            result = bot_func(**keyword_args)
         else:
             result = bot_func(
                 sender_name,

app/fanout/manager.py

@@ -23,6 +23,7 @@ def _register_module_types() -> None:
     from app.fanout.bot import BotModule
     from app.fanout.mqtt_community import MqttCommunityModule
     from app.fanout.mqtt_private import MqttPrivateModule
+    from app.fanout.sqs import SqsModule
     from app.fanout.webhook import WebhookModule
 
     _MODULE_TYPES["mqtt_private"] = MqttPrivateModule
@@ -30,6 +31,7 @@ def _register_module_types() -> None:
     _MODULE_TYPES["bot"] = BotModule
     _MODULE_TYPES["webhook"] = WebhookModule
     _MODULE_TYPES["apprise"] = AppriseModule
+    _MODULE_TYPES["sqs"] = SqsModule
 
 
 def _matches_filter(filter_value: Any, key: str) -> bool:

app/fanout/sqs.py

@@ -0,0 +1,142 @@
+"""Fanout module for Amazon SQS delivery."""
+
+from __future__ import annotations
+
+import asyncio
+import hashlib
+import json
+import logging
+from functools import partial
+
+import boto3
+from botocore.exceptions import BotoCoreError, ClientError
+
+from app.fanout.base import FanoutModule
+
+logger = logging.getLogger(__name__)
+
+
+def _build_payload(data: dict, *, event_type: str) -> str:
+    """Serialize a fanout event into a stable JSON envelope."""
+    return json.dumps(
+        {
+            "event_type": event_type,
+            "data": data,
+        },
+        separators=(",", ":"),
+        sort_keys=True,
+    )
+
+
+def _is_fifo_queue(queue_url: str) -> bool:
+    """Return True when the configured queue URL points at an SQS FIFO queue."""
+    return queue_url.rstrip("/").endswith(".fifo")
+
+
+def _build_message_group_id(data: dict, *, event_type: str) -> str:
+    """Choose a stable FIFO group ID from the event identity."""
+    if event_type == "message":
+        conversation_key = str(data.get("conversation_key", "")).strip()
+        if conversation_key:
+            return f"message-{conversation_key}"
+        return "message-default"
+    return "raw-packets"
+
+
+def _build_message_deduplication_id(data: dict, *, event_type: str, body: str) -> str:
+    """Choose a deterministic deduplication ID for FIFO queues."""
+    if event_type == "message":
+        message_id = data.get("id")
+        if isinstance(message_id, int):
+            return f"message-{message_id}"
+    else:
+        observation_id = data.get("observation_id")
+        if isinstance(observation_id, str) and observation_id.strip():
+            return f"raw-{observation_id}"
+        packet_id = data.get("id")
+        if isinstance(packet_id, int):
+            return f"raw-{packet_id}"
+    return hashlib.sha256(body.encode()).hexdigest()
+
+
+class SqsModule(FanoutModule):
+    """Delivers message and raw-packet events to an Amazon SQS queue."""
+
+    def __init__(self, config_id: str, config: dict, *, name: str = "") -> None:
+        super().__init__(config_id, config, name=name)
+        self._client = None
+        self._last_error: str | None = None
+
+    async def start(self) -> None:
+        kwargs: dict[str, str] = {}
+        region_name = str(self.config.get("region_name", "")).strip()
+        endpoint_url = str(self.config.get("endpoint_url", "")).strip()
+        access_key_id = str(self.config.get("access_key_id", "")).strip()
+        secret_access_key = str(self.config.get("secret_access_key", "")).strip()
+        session_token = str(self.config.get("session_token", "")).strip()
+
+        if region_name:
+            kwargs["region_name"] = region_name
+        if endpoint_url:
+            kwargs["endpoint_url"] = endpoint_url
+        if access_key_id and secret_access_key:
+            kwargs["aws_access_key_id"] = access_key_id
+            kwargs["aws_secret_access_key"] = secret_access_key
+        if session_token:
+            kwargs["aws_session_token"] = session_token
+
+        self._client = boto3.client("sqs", **kwargs)
+        self._last_error = None
+
+    async def stop(self) -> None:
+        self._client = None
+
+    async def on_message(self, data: dict) -> None:
+        await self._send(data, event_type="message")
+
+    async def on_raw(self, data: dict) -> None:
+        await self._send(data, event_type="raw_packet")
+
+    async def _send(self, data: dict, *, event_type: str) -> None:
+        if self._client is None:
+            return
+
+        queue_url = str(self.config.get("queue_url", "")).strip()
+        if not queue_url:
+            return
+
+        body = _build_payload(data, event_type=event_type)
+        request_kwargs: dict[str, object] = {
+            "QueueUrl": queue_url,
+            "MessageBody": body,
+            "MessageAttributes": {
+                "event_type": {
+                    "DataType": "String",
+                    "StringValue": event_type,
+                }
+            },
+        }
+
+        if _is_fifo_queue(queue_url):
+            request_kwargs["MessageGroupId"] = _build_message_group_id(data, event_type=event_type)
+            request_kwargs["MessageDeduplicationId"] = _build_message_deduplication_id(
+                data, event_type=event_type, body=body
+            )
+
+        try:
+            await asyncio.to_thread(partial(self._client.send_message, **request_kwargs))
+            self._last_error = None
+        except (ClientError, BotoCoreError) as exc:
+            self._last_error = str(exc)
+            logger.warning("SQS %s send error: %s", self.config_id, exc)
+        except Exception as exc:
+            self._last_error = str(exc)
+            logger.exception("Unexpected SQS send error for %s", self.config_id)
+
+    @property
+    def status(self) -> str:
+        if not str(self.config.get("queue_url", "")).strip():
+            return "disconnected"
+        if self._last_error:
+            return "error"
+        return "connected"

app/frontend_static.py

@@ -7,6 +7,32 @@ from fastapi.staticfiles import StaticFiles
 
 logger = logging.getLogger(__name__)
 
+INDEX_CACHE_CONTROL = "no-store"
+ASSET_CACHE_CONTROL = "public, max-age=31536000, immutable"
+STATIC_FILE_CACHE_CONTROL = "public, max-age=3600"
+
+
+class CacheControlStaticFiles(StaticFiles):
+    """StaticFiles variant that adds a fixed Cache-Control header."""
+
+    def __init__(self, *args, cache_control: str, **kwargs) -> None:
+        super().__init__(*args, **kwargs)
+        self.cache_control = cache_control
+
+    def file_response(self, *args, **kwargs):
+        response = super().file_response(*args, **kwargs)
+        response.headers["Cache-Control"] = self.cache_control
+        return response
+
+
+def _file_response(path: Path, *, cache_control: str) -> FileResponse:
+    return FileResponse(path, headers={"Cache-Control": cache_control})
+
+
+def _is_index_file(path: Path, index_file: Path) -> bool:
+    """Return True when the requested file is the SPA shell index.html."""
+    return path == index_file
+
 
 def _resolve_request_origin(request: Request) -> str:
     """Resolve the external origin, honoring common reverse-proxy headers."""
@@ -57,7 +83,11 @@ def register_frontend_static_routes(app: FastAPI, frontend_dir: Path) -> bool:
         return False
 
     if assets_dir.exists() and assets_dir.is_dir():
-        app.mount("/assets", StaticFiles(directory=assets_dir), name="assets")
+        app.mount(
+            "/assets",
+            CacheControlStaticFiles(directory=assets_dir, cache_control=ASSET_CACHE_CONTROL),
+            name="assets",
+        )
     else:
         logger.warning(
             "Frontend assets directory missing at %s; /assets files will not be served",
@@ -67,7 +97,7 @@ def register_frontend_static_routes(app: FastAPI, frontend_dir: Path) -> bool:
     @app.get("/")
     async def serve_index():
         """Serve the frontend index.html."""
-        return FileResponse(index_file)
+        return _file_response(index_file, cache_control=INDEX_CACHE_CONTROL)
 
     @app.get("/site.webmanifest")
     async def serve_webmanifest(request: Request):
@@ -114,9 +144,14 @@ def register_frontend_static_routes(app: FastAPI, frontend_dir: Path) -> bool:
             raise HTTPException(status_code=404, detail="Not found") from None
 
         if file_path.exists() and file_path.is_file():
-            return FileResponse(file_path)
+            cache_control = (
+                INDEX_CACHE_CONTROL
+                if _is_index_file(file_path, index_file)
+                else STATIC_FILE_CACHE_CONTROL
+            )
+            return _file_response(file_path, cache_control=cache_control)
 
-        return FileResponse(index_file)
+        return _file_response(index_file, cache_control=INDEX_CACHE_CONTROL)
 
     logger.info("Serving frontend from %s", frontend_dir)
     return True
@@ -129,7 +164,5 @@ def register_frontend_missing_fallback(app: FastAPI) -> None:
     async def frontend_not_built():
         return JSONResponse(
             status_code=404,
-            content={
-                "detail": "Frontend not built. Run: cd frontend && npm install && npm run build"
-            },
+            content={"detail": "Frontend not built. Run: cd frontend && npm ci && npm run build"},
         )

app/main.py

@@ -5,8 +5,10 @@ from pathlib import Path
 
 from fastapi import FastAPI, Request
 from fastapi.middleware.cors import CORSMiddleware
+from fastapi.middleware.gzip import GZipMiddleware
 from fastapi.responses import JSONResponse
 
+from app.config import settings as server_settings
 from app.config import setup_logging
 from app.database import db
 from app.frontend_static import register_frontend_missing_fallback, register_frontend_static_routes
@@ -30,6 +32,7 @@ from app.routers import (
     statistics,
     ws,
 )
+from app.security import add_optional_basic_auth_middleware
 from app.services.radio_runtime import radio_runtime as radio_manager
 
 setup_logging()
@@ -114,6 +117,8 @@ app = FastAPI(
     lifespan=lifespan,
 )
 
+add_optional_basic_auth_middleware(app, server_settings)
+app.add_middleware(GZipMiddleware, minimum_size=500)
 app.add_middleware(
     CORSMiddleware,
     allow_origins=["*"],

app/migrations.py

@@ -778,7 +778,7 @@ async def _migrate_009_create_app_settings_table(conn: aiosqlite.Connection) ->
     Create app_settings table for persistent application preferences.
 
     This table stores:
-    - max_radio_contacts: Max non-repeater contacts to keep on radio for DM ACKs
+    - max_radio_contacts: Configured radio contact capacity baseline for maintenance thresholds
     - favorites: JSON array of favorite conversations [{type, id}, ...]
     - auto_decrypt_dm_on_advert: Whether to attempt historical DM decryption on new contact
     - sidebar_sort_order: 'recent' or 'alpha' for sidebar sorting

app/models.py

@@ -225,6 +225,52 @@ class ContactDetail(BaseModel):
     nearest_repeaters: list[NearestRepeater] = Field(default_factory=list)
 
 
+class NameOnlyContactDetail(BaseModel):
+    """Channel activity summary for a sender name that is not tied to a known key."""
+
+    name: str
+    channel_message_count: int = 0
+    most_active_rooms: list[ContactActiveRoom] = Field(default_factory=list)
+
+
+class ContactAnalyticsHourlyBucket(BaseModel):
+    """A single hourly activity bucket for contact analytics."""
+
+    bucket_start: int = Field(description="Unix timestamp for the start of the hour bucket")
+    last_24h_count: int = 0
+    last_week_average: float = 0
+    all_time_average: float = 0
+
+
+class ContactAnalyticsWeeklyBucket(BaseModel):
+    """A single weekly activity bucket for contact analytics."""
+
+    bucket_start: int = Field(description="Unix timestamp for the start of the 7-day bucket")
+    message_count: int = 0
+
+
+class ContactAnalytics(BaseModel):
+    """Unified contact analytics payload for keyed and name-only lookups."""
+
+    lookup_type: Literal["contact", "name"]
+    name: str
+    contact: Contact | None = None
+    name_first_seen_at: int | None = None
+    name_history: list[ContactNameHistory] = Field(default_factory=list)
+    dm_message_count: int = 0
+    channel_message_count: int = 0
+    includes_direct_messages: bool = False
+    most_active_rooms: list[ContactActiveRoom] = Field(default_factory=list)
+    advert_paths: list[ContactAdvertPath] = Field(default_factory=list)
+    advert_frequency: float | None = Field(
+        default=None,
+        description="Advert observations per hour (includes multi-path arrivals of same advert)",
+    )
+    nearest_repeaters: list[NearestRepeater] = Field(default_factory=list)
+    hourly_activity: list[ContactAnalyticsHourlyBucket] = Field(default_factory=list)
+    weekly_activity: list[ContactAnalyticsWeeklyBucket] = Field(default_factory=list)
+
+
 class Channel(BaseModel):
     key: str = Field(description="Channel key (32-char hex)")
     name: str
@@ -516,8 +562,8 @@ class AppSettings(BaseModel):
     max_radio_contacts: int = Field(
         default=200,
         description=(
-            "Maximum contacts to keep on radio for DM ACKs "
-            "(favorite contacts first, then recent non-repeaters)"
+            "Configured radio contact capacity used for maintenance thresholds; "
+            "favorites reload first, then background fill targets about 80% of this value"
         ),
     )
     favorites: list[Favorite] = Field(
@@ -565,7 +611,7 @@ class FanoutConfig(BaseModel):
     """Configuration for a single fanout integration."""
 
     id: str
-    type: str  # 'mqtt_private' | 'mqtt_community' | 'bot' | 'webhook' | 'apprise'
+    type: str  # 'mqtt_private' | 'mqtt_community' | 'bot' | 'webhook' | 'apprise' | 'sqs'
     name: str
     enabled: bool
     config: dict

app/packet_processor.py

@@ -29,7 +29,6 @@ from app.decoder import (
 )
 from app.keystore import get_private_key, get_public_key, has_private_key
 from app.models import (
-    CONTACT_TYPE_REPEATER,
     Contact,
     ContactUpsert,
     RawPacketBroadcast,
@@ -41,7 +40,10 @@ from app.repository import (
     ContactRepository,
     RawPacketRepository,
 )
-from app.services.contact_reconciliation import record_contact_name_and_reconcile
+from app.services.contact_reconciliation import (
+    promote_prefix_contacts_for_contact,
+    record_contact_name_and_reconcile,
+)
 from app.services.messages import (
     create_dm_message_from_decrypted as _create_dm_message_from_decrypted,
 )
@@ -415,7 +417,6 @@ async def _process_advertisement(
     Process an advertisement packet.
 
     Extracts contact info and updates the database/broadcasts to clients.
-    For non-repeater contacts, triggers sync of recent contacts to radio for DM ACK support.
     """
     # Parse packet to get path info if not already provided
     if packet_info is None:
@@ -506,6 +507,10 @@ async def _process_advertisement(
     )
 
     await ContactRepository.upsert(contact_upsert)
+    promoted_keys = await promote_prefix_contacts_for_contact(
+        public_key=advert.public_key,
+        log=logger,
+    )
     await record_contact_name_and_reconcile(
         public_key=advert.public_key,
         contact_name=advert.name,
@@ -518,6 +523,14 @@ async def _process_advertisement(
     db_contact = await ContactRepository.get_by_key(advert.public_key.lower())
     if db_contact:
         broadcast_event("contact", db_contact.model_dump())
+        for old_key in promoted_keys:
+            broadcast_event(
+                "contact_resolved",
+                {
+                    "previous_public_key": old_key,
+                    "contact": db_contact.model_dump(),
+                },
+            )
     else:
         broadcast_event(
             "contact",
@@ -533,14 +546,6 @@ async def _process_advertisement(
         if settings.auto_decrypt_dm_on_advert:
             await start_historical_dm_decryption(None, advert.public_key.lower(), advert.name)
 
-    # If this is not a repeater, trigger recent contacts sync to radio
-    # This ensures we can auto-ACK DMs from recent contacts
-    if contact_type != CONTACT_TYPE_REPEATER:
-        # Import here to avoid circular import
-        from app.radio_sync import sync_recent_contacts_to_radio
-
-        asyncio.create_task(sync_recent_contacts_to_radio())
-
 
 async def _process_direct_message(
     raw_bytes: bytes,

app/radio.py

@@ -121,6 +121,7 @@ class RadioManager:
     def __init__(self):
         self._meshcore: MeshCore | None = None
         self._connection_info: str | None = None
+        self._connection_desired: bool = True
         self._reconnect_task: asyncio.Task | None = None
         self._last_connected: bool = False
         self._reconnect_lock: asyncio.Lock | None = None
@@ -246,6 +247,41 @@ class RadioManager:
     def is_setup_complete(self) -> bool:
         return self._setup_complete
 
+    @property
+    def connection_desired(self) -> bool:
+        return self._connection_desired
+
+    def resume_connection(self) -> None:
+        """Allow connection monitor and manual reconnects to establish transport again."""
+        self._connection_desired = True
+
+    async def pause_connection(self) -> None:
+        """Stop automatic reconnect attempts and tear down any current transport."""
+        self._connection_desired = False
+        self._last_connected = False
+        await self.disconnect()
+
+    async def _disable_meshcore_auto_reconnect(self, mc: MeshCore) -> None:
+        """Disable library-managed reconnects so manual teardown fully releases transport."""
+        connection_manager = getattr(mc, "connection_manager", None)
+        if connection_manager is None:
+            return
+
+        if hasattr(connection_manager, "auto_reconnect"):
+            connection_manager.auto_reconnect = False
+
+        reconnect_task = getattr(connection_manager, "_reconnect_task", None)
+        if reconnect_task is None or not isinstance(reconnect_task, asyncio.Task | asyncio.Future):
+            return
+
+        reconnect_task.cancel()
+        try:
+            await reconnect_task
+        except asyncio.CancelledError:
+            pass
+        finally:
+            connection_manager._reconnect_task = None
+
     async def connect(self) -> None:
         """Connect to the radio using the configured transport."""
         if self._meshcore is not None:
@@ -324,7 +360,10 @@ class RadioManager:
         """Disconnect from the radio."""
         if self._meshcore is not None:
             logger.debug("Disconnecting from radio")
-            await self._meshcore.disconnect()
+            mc = self._meshcore
+            await self._disable_meshcore_auto_reconnect(mc)
+            await mc.disconnect()
+            await self._disable_meshcore_auto_reconnect(mc)
             self._meshcore = None
             self._setup_complete = False
             self.path_hash_mode = 0
@@ -344,6 +383,10 @@ class RadioManager:
             self._reconnect_lock = asyncio.Lock()
 
         async with self._reconnect_lock:
+            if not self._connection_desired:
+                logger.info("Reconnect skipped because connection is paused by operator")
+                return False
+
             # If we became connected while waiting for the lock (another
             # reconnect succeeded ahead of us), skip the redundant attempt.
             if self.is_connected:
@@ -364,6 +407,11 @@ class RadioManager:
                 # Try to connect (will auto-detect if no port specified)
                 await self.connect()
 
+                if not self._connection_desired:
+                    logger.info("Reconnect completed after pause request; disconnecting transport")
+                    await self.disconnect()
+                    return False
+
                 if self.is_connected:
                     logger.info("Radio reconnected successfully at %s", self._connection_info)
                     if broadcast_on_success:

app/radio_sync.py

@@ -4,18 +4,20 @@ Radio sync and offload management.
 This module handles syncing contacts and channels from the radio to the database,
 then removing them from the radio to free up space for new discoveries.
 
-Also handles loading recent non-repeater contacts TO the radio for DM ACK support.
+Also handles loading favorites plus recently active contacts TO the radio for DM ACK support.
 Also handles periodic message polling as a fallback for platforms where push events
 don't work reliably.
 """
 
 import asyncio
 import logging
+import math
 import time
 from contextlib import asynccontextmanager
 
 from meshcore import EventType, MeshCore
 
+from app.config import settings
 from app.event_handlers import cleanup_expired_acks
 from app.models import Contact, ContactUpsert
 from app.radio import RadioOperationBusyError
@@ -27,6 +29,7 @@ from app.repository import (
 )
 from app.services.contact_reconciliation import reconcile_contact_messages
 from app.services.radio_runtime import radio_runtime as radio_manager
+from app.websocket import broadcast_error
 
 logger = logging.getLogger(__name__)
 
@@ -49,6 +52,26 @@ def _contact_sync_debug_fields(contact: Contact) -> dict[str, object]:
     }
 
 
+async def _reconcile_contact_messages_background(
+    public_key: str,
+    contact_name: str | None,
+) -> None:
+    """Run contact/message reconciliation outside the radio critical path."""
+    try:
+        await reconcile_contact_messages(
+            public_key=public_key,
+            contact_name=contact_name,
+            log=logger,
+        )
+    except Exception as exc:
+        logger.warning(
+            "Background contact reconciliation failed for %s: %s",
+            public_key[:12],
+            exc,
+            exc_info=True,
+        )
+
+
 async def upsert_channel_from_radio_slot(payload: dict, *, on_radio: bool) -> str | None:
     """Parse a radio channel-slot payload and upsert to the database.
 
@@ -78,9 +101,12 @@ async def upsert_channel_from_radio_slot(payload: dict, *, on_radio: bool) -> st
 # Message poll task handle
 _message_poll_task: asyncio.Task | None = None
 
-# Message poll interval in seconds (10s gives DM ACKs plenty of time to arrive)
+# Message poll interval in seconds when aggressive fallback is enabled.
 MESSAGE_POLL_INTERVAL = 10
 
+# Always-on audit interval when aggressive fallback is disabled.
+MESSAGE_POLL_AUDIT_INTERVAL = 3600
+
 # Periodic advertisement task handle
 _advert_task: asyncio.Task | None = None
 
@@ -119,9 +145,58 @@ async def pause_polling():
 # Background task handle
 _sync_task: asyncio.Task | None = None
 
-# Sync interval in seconds (5 minutes)
+# Periodic maintenance check interval in seconds (5 minutes)
 SYNC_INTERVAL = 300
 
+# Reload non-favorite contacts up to 80% of configured radio capacity after offload.
+RADIO_CONTACT_REFILL_RATIO = 0.80
+
+# Trigger a full offload/reload once occupancy reaches 95% of configured capacity.
+RADIO_CONTACT_FULL_SYNC_RATIO = 0.95
+
+
+def _compute_radio_contact_limits(max_contacts: int) -> tuple[int, int]:
+    """Return (refill_target, full_sync_trigger) for the configured capacity."""
+    capacity = max(1, max_contacts)
+    refill_target = max(1, min(capacity, int((capacity * RADIO_CONTACT_REFILL_RATIO) + 0.5)))
+    full_sync_trigger = max(
+        refill_target,
+        min(capacity, math.ceil(capacity * RADIO_CONTACT_FULL_SYNC_RATIO)),
+    )
+    return refill_target, full_sync_trigger
+
+
+async def should_run_full_periodic_sync(mc: MeshCore) -> bool:
+    """Check current radio occupancy and decide whether to offload/reload."""
+    app_settings = await AppSettingsRepository.get()
+    capacity = app_settings.max_radio_contacts
+    refill_target, full_sync_trigger = _compute_radio_contact_limits(capacity)
+
+    result = await mc.commands.get_contacts()
+    if result is None or result.type == EventType.ERROR:
+        logger.warning("Periodic sync occupancy check failed: %s", result)
+        return False
+
+    current_contacts = len(result.payload or {})
+    if current_contacts >= full_sync_trigger:
+        logger.info(
+            "Running full radio sync: %d/%d contacts on radio (trigger=%d, refill_target=%d)",
+            current_contacts,
+            capacity,
+            full_sync_trigger,
+            refill_target,
+        )
+        return True
+
+    logger.debug(
+        "Skipping full radio sync: %d/%d contacts on radio (trigger=%d, refill_target=%d)",
+        current_contacts,
+        capacity,
+        full_sync_trigger,
+        refill_target,
+    )
+    return False
+
 
 async def sync_and_offload_contacts(mc: MeshCore) -> dict:
     """
@@ -157,10 +232,11 @@ async def sync_and_offload_contacts(mc: MeshCore) -> dict:
             await ContactRepository.upsert(
                 ContactUpsert.from_radio_dict(public_key, contact_data, on_radio=False)
             )
-            await reconcile_contact_messages(
-                public_key=public_key,
-                contact_name=contact_data.get("adv_name"),
-                log=logger,
+            asyncio.create_task(
+                _reconcile_contact_messages_background(
+                    public_key,
+                    contact_data.get("adv_name"),
+                )
             )
             synced += 1
 
@@ -263,7 +339,8 @@ async def ensure_default_channels() -> None:
     Ensure default channels exist in the database.
     These will be configured on the radio when needed for sending.
 
-    The Public channel is protected - it always exists with the canonical name.
+    This seeds the canonical Public channel row in the database if it is missing
+    or misnamed. It does not make the channel undeletable through the router.
     """
     # Public channel - no hashtag, specific well-known key
     PUBLIC_CHANNEL_KEY_HEX = "8B3387E9C5CDEA6AC9E5EDBAA115CD72"
@@ -290,10 +367,10 @@ async def sync_and_offload_all(mc: MeshCore) -> dict:
     # Ensure default channels exist
     await ensure_default_channels()
 
-    # Reload favorites and recent contacts back onto the radio immediately
-    # so favorited contacts don't stay in the on_radio=False limbo until the
-    # next advertisement arrives.  Pass mc directly since the caller already
-    # holds the radio operation lock (asyncio.Lock is not reentrant).
+    # Reload favorites plus a working-set fill back onto the radio immediately
+    # so they do not stay in on_radio=False limbo after offload. Pass mc directly
+    # since the caller already holds the radio operation lock (asyncio.Lock is not
+    # reentrant).
     reload_result = await sync_recent_contacts_to_radio(force=True, mc=mc)
 
     return {
@@ -374,11 +451,10 @@ async def _message_poll_loop():
     """Background task that periodically polls for messages."""
     while True:
         try:
-            await asyncio.sleep(MESSAGE_POLL_INTERVAL)
-
-            # Clean up expired pending ACKs every poll cycle so they don't
-            # accumulate when no ACKs arrive (e.g. all recipients out of range).
-            cleanup_expired_acks()
+            aggressive_fallback = settings.enable_message_poll_fallback
+            await asyncio.sleep(
+                MESSAGE_POLL_INTERVAL if aggressive_fallback else MESSAGE_POLL_AUDIT_INTERVAL
+            )
 
             if radio_manager.is_connected and not is_polling_paused():
                 try:
@@ -389,10 +465,24 @@ async def _message_poll_loop():
                     ) as mc:
                         count = await poll_for_messages(mc)
                         if count > 0:
-                            logger.warning(
-                                "Poll loop caught %d message(s) missed by auto-fetch",
-                                count,
-                            )
+                            if aggressive_fallback:
+                                logger.warning(
+                                    "Poll loop caught %d message(s) missed by auto-fetch",
+                                    count,
+                                )
+                            else:
+                                logger.error(
+                                    "Periodic radio audit caught %d message(s) that were not "
+                                    "surfaced via event subscription. See README and consider "
+                                    "setting MESHCORE_ENABLE_MESSAGE_POLL_FALLBACK=true to "
+                                    "enable more frequent polling.",
+                                    count,
+                                )
+                                broadcast_error(
+                                    "A periodic poll task has discovered radio inconsistencies.",
+                                    "Please check the logs for recommendations (search "
+                                    "'MESHCORE_ENABLE_MESSAGE_POLL_FALLBACK').",
+                                )
                 except RadioOperationBusyError:
                     logger.debug("Skipping message poll: radio busy")
 
@@ -407,7 +497,16 @@ def start_message_polling():
     global _message_poll_task
     if _message_poll_task is None or _message_poll_task.done():
         _message_poll_task = asyncio.create_task(_message_poll_loop())
-        logger.info("Started periodic message polling (interval: %ds)", MESSAGE_POLL_INTERVAL)
+        if settings.enable_message_poll_fallback:
+            logger.info(
+                "Started periodic message polling task (aggressive fallback, interval: %ds)",
+                MESSAGE_POLL_INTERVAL,
+            )
+        else:
+            logger.info(
+                "Started periodic message audit task (interval: %ds)",
+                MESSAGE_POLL_AUDIT_INTERVAL,
+            )
 
 
 async def stop_message_polling():
@@ -506,7 +605,6 @@ async def _periodic_advert_loop():
             break
         except Exception as e:
             logger.error("Error in periodic advertisement loop: %s", e, exc_info=True)
-            await asyncio.sleep(ADVERT_CHECK_INTERVAL)
 
 
 def start_periodic_advert():
@@ -554,6 +652,7 @@ async def _periodic_sync_loop():
     while True:
         try:
             await asyncio.sleep(SYNC_INTERVAL)
+            cleanup_expired_acks()
             if not radio_manager.is_connected:
                 continue
 
@@ -562,8 +661,8 @@ async def _periodic_sync_loop():
                     "periodic_sync",
                     blocking=False,
                 ) as mc:
-                    logger.debug("Running periodic radio sync")
-                    await sync_and_offload_all(mc)
+                    if await should_run_full_periodic_sync(mc):
+                        await sync_and_offload_all(mc)
                     await sync_radio_time(mc)
             except RadioOperationBusyError:
                 logger.debug("Skipping periodic sync: radio busy")
@@ -604,13 +703,19 @@ async def _sync_contacts_to_radio_inner(mc: MeshCore) -> dict:
     """
     Core logic for loading contacts onto the radio.
 
-    Favorite contacts are prioritized first, then recent non-repeater contacts
-    fill remaining slots up to max_radio_contacts.
+    Fill order is:
+    1. Favorite contacts
+    2. Most recently interacted-with non-repeaters
+    3. Most recently advert-heard non-repeaters without interaction history
+
+    Favorite contacts are always reloaded first, up to the configured capacity.
+    Additional non-favorite fill stops at the refill target (80% of capacity).
 
     Caller must hold the radio operation lock and pass a valid MeshCore instance.
     """
     app_settings = await AppSettingsRepository.get()
     max_contacts = app_settings.max_radio_contacts
+    refill_target, _full_sync_trigger = _compute_radio_contact_limits(max_contacts)
     selected_contacts: list[Contact] = []
     selected_keys: set[str] = set()
 
@@ -628,6 +733,12 @@ async def _sync_contacts_to_radio_inner(mc: MeshCore) -> dict:
             continue
         if not contact:
             continue
+        if len(contact.public_key) < 64:
+            logger.debug(
+                "Skipping unresolved prefix-only favorite contact '%s' for radio sync",
+                favorite.id,
+            )
+            continue
         key = contact.public_key.lower()
         if key in selected_keys:
             continue
@@ -637,34 +748,109 @@ async def _sync_contacts_to_radio_inner(mc: MeshCore) -> dict:
         if len(selected_contacts) >= max_contacts:
             break
 
-    if len(selected_contacts) < max_contacts:
-        recent_contacts = await ContactRepository.get_recent_non_repeaters(limit=max_contacts)
-        for contact in recent_contacts:
+    if len(selected_contacts) < refill_target:
+        for contact in await ContactRepository.get_recently_contacted_non_repeaters(
+            limit=max_contacts
+        ):
             key = contact.public_key.lower()
             if key in selected_keys:
                 continue
             selected_keys.add(key)
             selected_contacts.append(contact)
-            if len(selected_contacts) >= max_contacts:
+            if len(selected_contacts) >= refill_target:
+                break
+
+    if len(selected_contacts) < refill_target:
+        for contact in await ContactRepository.get_recently_advertised_non_repeaters(
+            limit=max_contacts
+        ):
+            key = contact.public_key.lower()
+            if key in selected_keys:
+                continue
+            selected_keys.add(key)
+            selected_contacts.append(contact)
+            if len(selected_contacts) >= refill_target:
                 break
 
     logger.debug(
-        "Selected %d contacts to sync (%d favorite contacts first, limit=%d)",
+        "Selected %d contacts to sync (%d favorites, refill_target=%d, capacity=%d)",
         len(selected_contacts),
         favorite_contacts_loaded,
+        refill_target,
         max_contacts,
     )
+    return await _load_contacts_to_radio(mc, selected_contacts)
 
+
+async def ensure_contact_on_radio(
+    public_key: str,
+    *,
+    force: bool = False,
+    mc: MeshCore | None = None,
+) -> dict:
+    """Ensure one contact is loaded on the radio for ACK/routing support."""
+    global _last_contact_sync
+
+    now = time.time()
+    if not force and (now - _last_contact_sync) < CONTACT_SYNC_THROTTLE_SECONDS:
+        logger.debug(
+            "Single-contact sync throttled (last sync %ds ago)",
+            int(now - _last_contact_sync),
+        )
+        return {"loaded": 0, "throttled": True}
+
+    try:
+        contact = await ContactRepository.get_by_key_or_prefix(public_key)
+    except AmbiguousPublicKeyPrefixError:
+        logger.warning("Cannot sync favorite contact '%s': ambiguous key prefix", public_key)
+        return {"loaded": 0, "error": "Ambiguous contact key prefix"}
+
+    if not contact:
+        logger.debug("Cannot sync favorite contact %s: not found", public_key[:12])
+        return {"loaded": 0, "error": "Contact not found"}
+    if len(contact.public_key) < 64:
+        logger.debug("Cannot sync unresolved prefix-only contact %s to radio", public_key)
+        return {"loaded": 0, "error": "Full contact key not yet known"}
+
+    if mc is not None:
+        _last_contact_sync = now
+        return await _load_contacts_to_radio(mc, [contact])
+
+    if not radio_manager.is_connected or radio_manager.meshcore is None:
+        logger.debug("Cannot sync favorite contact to radio: not connected")
+        return {"loaded": 0, "error": "Radio not connected"}
+
+    try:
+        async with radio_manager.radio_operation(
+            "ensure_contact_on_radio",
+            blocking=False,
+        ) as mc:
+            _last_contact_sync = now
+            assert mc is not None
+            return await _load_contacts_to_radio(mc, [contact])
+    except RadioOperationBusyError:
+        logger.debug("Skipping favorite contact sync: radio busy")
+        return {"loaded": 0, "busy": True}
+    except Exception as e:
+        logger.error("Error syncing favorite contact to radio: %s", e, exc_info=True)
+        return {"loaded": 0, "error": str(e)}
+
+
+async def _load_contacts_to_radio(mc: MeshCore, contacts: list[Contact]) -> dict:
+    """Load the provided contacts onto the radio."""
     loaded = 0
     already_on_radio = 0
     failed = 0
 
-    for contact in selected_contacts:
-        # Check if already on radio
+    for contact in contacts:
+        if len(contact.public_key) < 64:
+            logger.debug(
+                "Skipping unresolved prefix-only contact %s during radio load", contact.public_key
+            )
+            continue
         radio_contact = mc.get_contact_by_key_prefix(contact.public_key[:12])
         if radio_contact:
             already_on_radio += 1
-            # Update DB if not marked as on_radio
             if not contact.on_radio:
                 await ContactRepository.set_on_radio(contact.public_key, True)
             continue
@@ -722,8 +908,10 @@ async def sync_recent_contacts_to_radio(force: bool = False, mc: MeshCore | None
     """
     Load contacts to the radio for DM ACK support.
 
-    Favorite contacts are prioritized first, then recent non-repeater contacts
-    fill remaining slots up to max_radio_contacts.
+    Fill order is favorites, then recently contacted non-repeaters,
+    then recently advert-heard non-repeaters. Favorites are always reloaded
+    up to the configured capacity; additional non-favorite fill stops at the
+    80% refill target.
     Only runs at most once every CONTACT_SYNC_THROTTLE_SECONDS unless forced.
 
     Args:

app/repository/contacts.py

@@ -168,6 +168,9 @@ class ContactRepository:
         the prefix (to avoid silently selecting the wrong contact).
         """
         normalized_prefix = prefix.lower()
+        exact = await ContactRepository.get_by_key(normalized_prefix)
+        if exact:
+            return exact
         cursor = await db.conn.execute(
             "SELECT * FROM contacts WHERE public_key LIKE ? ORDER BY public_key LIMIT 2",
             (f"{normalized_prefix}%",),
@@ -253,17 +256,28 @@ class ContactRepository:
         return [ContactRepository._row_to_contact(row) for row in rows]
 
     @staticmethod
-    async def get_recent_non_repeaters(limit: int = 200) -> list[Contact]:
-        """Get the most recently active non-repeater contacts.
-
-        Orders by most recent activity (last_contacted or last_advert),
-        excluding repeaters (type=2).
-        """
+    async def get_recently_contacted_non_repeaters(limit: int = 200) -> list[Contact]:
+        """Get recently interacted-with non-repeater contacts."""
         cursor = await db.conn.execute(
             """
             SELECT * FROM contacts
-            WHERE type != 2
-            ORDER BY COALESCE(last_contacted, 0) DESC, COALESCE(last_advert, 0) DESC
+            WHERE type != 2 AND last_contacted IS NOT NULL AND length(public_key) = 64
+            ORDER BY last_contacted DESC
+            LIMIT ?
+            """,
+            (limit,),
+        )
+        rows = await cursor.fetchall()
+        return [ContactRepository._row_to_contact(row) for row in rows]
+
+    @staticmethod
+    async def get_recently_advertised_non_repeaters(limit: int = 200) -> list[Contact]:
+        """Get recently advert-heard non-repeater contacts."""
+        cursor = await db.conn.execute(
+            """
+            SELECT * FROM contacts
+            WHERE type != 2 AND last_advert IS NOT NULL AND length(public_key) = 64
+            ORDER BY last_advert DESC
             LIMIT ?
             """,
             (limit,),
@@ -395,6 +409,103 @@ class ContactRepository:
         await db.conn.commit()
         return cursor.rowcount > 0
 
+    @staticmethod
+    async def promote_prefix_placeholders(full_key: str) -> list[str]:
+        """Promote prefix-only placeholder contacts to a resolved full key.
+
+        Returns the placeholder public keys that were merged into the full key.
+        """
+        normalized_full_key = full_key.lower()
+        cursor = await db.conn.execute(
+            """
+            SELECT public_key, last_seen, last_contacted, first_seen, last_read_at
+            FROM contacts
+            WHERE length(public_key) < 64
+              AND ? LIKE public_key || '%'
+            ORDER BY length(public_key) DESC, public_key
+            """,
+            (normalized_full_key,),
+        )
+        rows = list(await cursor.fetchall())
+        if not rows:
+            return []
+
+        promoted_keys: list[str] = []
+        full_exists = await ContactRepository.get_by_key(normalized_full_key) is not None
+
+        for row in rows:
+            old_key = row["public_key"]
+            if old_key == normalized_full_key:
+                continue
+
+            match_cursor = await db.conn.execute(
+                """
+                SELECT COUNT(*) AS match_count
+                FROM contacts
+                WHERE length(public_key) = 64
+                  AND public_key LIKE ? || '%'
+                """,
+                (old_key,),
+            )
+            match_row = await match_cursor.fetchone()
+            if (match_row["match_count"] if match_row is not None else 0) != 1:
+                continue
+
+            if full_exists:
+                await db.conn.execute(
+                    """
+                    UPDATE contacts
+                    SET last_seen = CASE
+                            WHEN contacts.last_seen IS NULL THEN ?
+                            WHEN ? IS NULL THEN contacts.last_seen
+                            WHEN ? > contacts.last_seen THEN ?
+                            ELSE contacts.last_seen
+                        END,
+                        last_contacted = CASE
+                            WHEN contacts.last_contacted IS NULL THEN ?
+                            WHEN ? IS NULL THEN contacts.last_contacted
+                            WHEN ? > contacts.last_contacted THEN ?
+                            ELSE contacts.last_contacted
+                        END,
+                        first_seen = CASE
+                            WHEN contacts.first_seen IS NULL THEN ?
+                            WHEN ? IS NULL THEN contacts.first_seen
+                            WHEN ? < contacts.first_seen THEN ?
+                            ELSE contacts.first_seen
+                        END,
+                        last_read_at = COALESCE(contacts.last_read_at, ?)
+                    WHERE public_key = ?
+                    """,
+                    (
+                        row["last_seen"],
+                        row["last_seen"],
+                        row["last_seen"],
+                        row["last_seen"],
+                        row["last_contacted"],
+                        row["last_contacted"],
+                        row["last_contacted"],
+                        row["last_contacted"],
+                        row["first_seen"],
+                        row["first_seen"],
+                        row["first_seen"],
+                        row["first_seen"],
+                        row["last_read_at"],
+                        normalized_full_key,
+                    ),
+                )
+                await db.conn.execute("DELETE FROM contacts WHERE public_key = ?", (old_key,))
+            else:
+                await db.conn.execute(
+                    "UPDATE contacts SET public_key = ? WHERE public_key = ?",
+                    (normalized_full_key, old_key),
+                )
+                full_exists = True
+
+            promoted_keys.append(old_key)
+
+        await db.conn.commit()
+        return promoted_keys
+
     @staticmethod
     async def mark_all_read(timestamp: int) -> None:
         """Mark all contacts as read at the given timestamp."""

app/repository/messages.py

@@ -1,12 +1,43 @@
 import json
+import re
 import time
+from dataclasses import dataclass
 from typing import Any
 
 from app.database import db
-from app.models import Message, MessagePath
+from app.models import (
+    ContactAnalyticsHourlyBucket,
+    ContactAnalyticsWeeklyBucket,
+    Message,
+    MessagePath,
+)
 
 
 class MessageRepository:
+    @dataclass
+    class _SearchQuery:
+        free_text: str
+        user_terms: list[str]
+        channel_terms: list[str]
+
+    _SEARCH_OPERATOR_RE = re.compile(
+        r'(?<!\S)(user|channel):(?:"((?:[^"\\]|\\.)*)"|(\S+))',
+        re.IGNORECASE,
+    )
+
+    @staticmethod
+    def _contact_activity_filter(public_key: str) -> tuple[str, list[Any]]:
+        lower_key = public_key.lower()
+        return (
+            "((type = 'PRIV' AND LOWER(conversation_key) = ?)"
+            " OR (type = 'CHAN' AND LOWER(sender_key) = ?))",
+            [lower_key, lower_key],
+        )
+
+    @staticmethod
+    def _name_activity_filter(sender_name: str) -> tuple[str, list[Any]]:
+        return "type = 'CHAN' AND sender_name = ?", [sender_name]
+
     @staticmethod
     def _parse_paths(paths_json: str | None) -> list[MessagePath] | None:
         """Parse paths JSON string to list of MessagePath objects."""
@@ -131,7 +162,8 @@ class MessageRepository:
                AND ? LIKE conversation_key || '%'
                AND (
                    SELECT COUNT(*) FROM contacts
-                   WHERE public_key LIKE messages.conversation_key || '%'
+                   WHERE length(public_key) = 64
+                     AND public_key LIKE messages.conversation_key || '%'
                ) = 1""",
             (lower_key, lower_key),
         )
@@ -148,8 +180,16 @@ class MessageRepository:
         """
         cursor = await db.conn.execute(
             """UPDATE messages SET sender_key = ?
-               WHERE type = 'CHAN' AND sender_name = ? AND sender_key IS NULL""",
-            (public_key.lower(), name),
+               WHERE type = 'CHAN' AND sender_name = ? AND sender_key IS NULL
+               AND (
+                   SELECT COUNT(*) FROM contacts
+                   WHERE name = ?
+               ) = 1
+               AND EXISTS (
+                   SELECT 1 FROM contacts
+                   WHERE public_key = ? AND name = ?
+               )""",
+            (public_key.lower(), name, name, public_key.lower(), name),
         )
         await db.conn.commit()
         return cursor.rowcount
@@ -167,6 +207,92 @@ class MessageRepository:
         else:
             return "AND conversation_key LIKE ?", f"{conversation_key}%"
 
+    @staticmethod
+    def _unescape_search_quoted_value(value: str) -> str:
+        return value.replace('\\"', '"').replace("\\\\", "\\")
+
+    @staticmethod
+    def _parse_search_query(q: str) -> _SearchQuery:
+        user_terms: list[str] = []
+        channel_terms: list[str] = []
+        fragments: list[str] = []
+        last_end = 0
+
+        for match in MessageRepository._SEARCH_OPERATOR_RE.finditer(q):
+            fragments.append(q[last_end : match.start()])
+            raw_value = match.group(2) if match.group(2) is not None else match.group(3) or ""
+            value = MessageRepository._unescape_search_quoted_value(raw_value)
+            if match.group(1).lower() == "user":
+                user_terms.append(value)
+            else:
+                channel_terms.append(value)
+            last_end = match.end()
+
+        if not user_terms and not channel_terms:
+            return MessageRepository._SearchQuery(free_text=q, user_terms=[], channel_terms=[])
+
+        fragments.append(q[last_end:])
+        free_text = " ".join(fragment.strip() for fragment in fragments if fragment.strip())
+        return MessageRepository._SearchQuery(
+            free_text=free_text,
+            user_terms=user_terms,
+            channel_terms=channel_terms,
+        )
+
+    @staticmethod
+    def _escape_like(value: str) -> str:
+        return value.replace("\\", "\\\\").replace("%", "\\%").replace("_", "\\_")
+
+    @staticmethod
+    def _looks_like_hex_prefix(value: str) -> bool:
+        return bool(value) and all(ch in "0123456789abcdefABCDEF" for ch in value)
+
+    @staticmethod
+    def _build_channel_scope_clause(value: str) -> tuple[str, list[Any]]:
+        params: list[Any] = [value]
+        clause = "(messages.type = 'CHAN' AND (channels.name = ? COLLATE NOCASE"
+
+        if MessageRepository._looks_like_hex_prefix(value):
+            if len(value) == 32:
+                clause += " OR UPPER(messages.conversation_key) = ?"
+                params.append(value.upper())
+            else:
+                clause += " OR UPPER(messages.conversation_key) LIKE ? ESCAPE '\\'"
+                params.append(f"{MessageRepository._escape_like(value.upper())}%")
+
+        clause += "))"
+        return clause, params
+
+    @staticmethod
+    def _build_user_scope_clause(value: str) -> tuple[str, list[Any]]:
+        params: list[Any] = [value, value]
+        clause = (
+            "((messages.type = 'PRIV' AND contacts.name = ? COLLATE NOCASE)"
+            " OR (messages.type = 'CHAN' AND sender_name = ? COLLATE NOCASE)"
+        )
+
+        if MessageRepository._looks_like_hex_prefix(value):
+            lower_value = value.lower()
+            priv_key_clause: str
+            chan_key_clause: str
+            if len(value) == 64:
+                priv_key_clause = "LOWER(messages.conversation_key) = ?"
+                chan_key_clause = "LOWER(sender_key) = ?"
+                params.extend([lower_value, lower_value])
+            else:
+                escaped_prefix = f"{MessageRepository._escape_like(lower_value)}%"
+                priv_key_clause = "LOWER(messages.conversation_key) LIKE ? ESCAPE '\\'"
+                chan_key_clause = "LOWER(sender_key) LIKE ? ESCAPE '\\'"
+                params.extend([escaped_prefix, escaped_prefix])
+
+            clause += (
+                f" OR (messages.type = 'PRIV' AND {priv_key_clause})"
+                f" OR (messages.type = 'CHAN' AND sender_key IS NOT NULL AND {chan_key_clause})"
+            )
+
+        clause += ")"
+        return clause, params
+
     @staticmethod
     def _row_to_message(row: Any) -> Message:
         """Convert a database row to a Message model."""
@@ -200,15 +326,24 @@ class MessageRepository:
         blocked_keys: list[str] | None = None,
         blocked_names: list[str] | None = None,
     ) -> list[Message]:
-        query = "SELECT * FROM messages WHERE 1=1"
+        search_query = MessageRepository._parse_search_query(q) if q else None
+        query = (
+            "SELECT messages.* FROM messages "
+            "LEFT JOIN contacts ON messages.type = 'PRIV' "
+            "AND LOWER(messages.conversation_key) = LOWER(contacts.public_key) "
+            "LEFT JOIN channels ON messages.type = 'CHAN' "
+            "AND UPPER(messages.conversation_key) = UPPER(channels.key) "
+            "WHERE 1=1"
+        )
         params: list[Any] = []
 
         if blocked_keys:
             placeholders = ",".join("?" for _ in blocked_keys)
             query += (
-                f" AND NOT (outgoing=0 AND ("
-                f"(type='PRIV' AND LOWER(conversation_key) IN ({placeholders}))"
-                f" OR (type='CHAN' AND sender_key IS NOT NULL AND LOWER(sender_key) IN ({placeholders}))"
+                f" AND NOT (messages.outgoing=0 AND ("
+                f"(messages.type='PRIV' AND LOWER(messages.conversation_key) IN ({placeholders}))"
+                f" OR (messages.type='CHAN' AND messages.sender_key IS NOT NULL"
+                f" AND LOWER(messages.sender_key) IN ({placeholders}))"
                 f"))"
             )
             params.extend(blocked_keys)
@@ -217,36 +352,57 @@ class MessageRepository:
         if blocked_names:
             placeholders = ",".join("?" for _ in blocked_names)
             query += (
-                f" AND NOT (outgoing=0 AND sender_name IS NOT NULL"
-                f" AND sender_name IN ({placeholders}))"
+                f" AND NOT (messages.outgoing=0 AND messages.sender_name IS NOT NULL"
+                f" AND messages.sender_name IN ({placeholders}))"
             )
             params.extend(blocked_names)
 
         if msg_type:
-            query += " AND type = ?"
+            query += " AND messages.type = ?"
             params.append(msg_type)
         if conversation_key:
             clause, norm_key = MessageRepository._normalize_conversation_key(conversation_key)
-            query += f" {clause}"
+            query += f" {clause.replace('conversation_key', 'messages.conversation_key')}"
             params.append(norm_key)
 
-        if q:
-            escaped_q = q.replace("\\", "\\\\").replace("%", "\\%").replace("_", "\\_")
-            query += " AND text LIKE ? ESCAPE '\\' COLLATE NOCASE"
+        if search_query and search_query.user_terms:
+            scope_clauses: list[str] = []
+            for term in search_query.user_terms:
+                clause, clause_params = MessageRepository._build_user_scope_clause(term)
+                scope_clauses.append(clause)
+                params.extend(clause_params)
+            query += f" AND ({' OR '.join(scope_clauses)})"
+
+        if search_query and search_query.channel_terms:
+            scope_clauses = []
+            for term in search_query.channel_terms:
+                clause, clause_params = MessageRepository._build_channel_scope_clause(term)
+                scope_clauses.append(clause)
+                params.extend(clause_params)
+            query += f" AND ({' OR '.join(scope_clauses)})"
+
+        if search_query and search_query.free_text:
+            escaped_q = MessageRepository._escape_like(search_query.free_text)
+            query += " AND messages.text LIKE ? ESCAPE '\\' COLLATE NOCASE"
             params.append(f"%{escaped_q}%")
 
         # Forward cursor (after/after_id) — mutually exclusive with before/before_id
         if after is not None and after_id is not None:
-            query += " AND (received_at > ? OR (received_at = ? AND id > ?))"
+            query += (
+                " AND (messages.received_at > ? OR (messages.received_at = ? AND messages.id > ?))"
+            )
             params.extend([after, after, after_id])
-            query += " ORDER BY received_at ASC, id ASC LIMIT ?"
+            query += " ORDER BY messages.received_at ASC, messages.id ASC LIMIT ?"
             params.append(limit)
         else:
             if before is not None and before_id is not None:
-                query += " AND (received_at < ? OR (received_at = ? AND id < ?))"
+                query += (
+                    " AND (messages.received_at < ?"
+                    " OR (messages.received_at = ? AND messages.id < ?))"
+                )
                 params.extend([before, before, before_id])
 
-            query += " ORDER BY received_at DESC, id DESC LIMIT ?"
+            query += " ORDER BY messages.received_at DESC, messages.id DESC LIMIT ?"
             params.append(limit)
             if before is None or before_id is None:
                 query += " OFFSET ?"
@@ -505,13 +661,61 @@ class MessageRepository:
             if mention_token and row["has_mention"]:
                 mention_flags[state_key] = True
 
-        # Last message times for all conversations (including read ones)
+        # Last message times for all conversations (including read ones),
+        # excluding blocked incoming traffic so refresh matches live WS behavior.
+        last_time_filters: list[str] = []
+        last_time_params: list[Any] = []
+
+        if blocked_keys:
+            placeholders = ",".join("?" for _ in blocked_keys)
+            last_time_filters.append(
+                f"""
+                NOT (
+                    type = 'PRIV'
+                    AND outgoing = 0
+                    AND LOWER(conversation_key) IN ({placeholders})
+                )
+                """
+            )
+            last_time_params.extend(blocked_keys)
+            last_time_filters.append(
+                f"""
+                NOT (
+                    type = 'CHAN'
+                    AND outgoing = 0
+                    AND sender_key IS NOT NULL
+                    AND LOWER(sender_key) IN ({placeholders})
+                )
+                """
+            )
+            last_time_params.extend(blocked_keys)
+
+        if blocked_names:
+            placeholders = ",".join("?" for _ in blocked_names)
+            last_time_filters.append(
+                f"""
+                NOT (
+                    type = 'CHAN'
+                    AND outgoing = 0
+                    AND sender_name IS NOT NULL
+                    AND sender_name IN ({placeholders})
+                )
+                """
+            )
+            last_time_params.extend(blocked_names)
+
+        last_time_where_sql = (
+            f"WHERE {' AND '.join(last_time_filters)}" if last_time_filters else ""
+        )
+
         cursor = await db.conn.execute(
-            """
+            f"""
             SELECT type, conversation_key, MAX(received_at) as last_message_time
             FROM messages
+            {last_time_where_sql}
             GROUP BY type, conversation_key
-            """
+            """,
+            last_time_params,
         )
         rows = await cursor.fetchall()
         for row in rows:
@@ -545,6 +749,26 @@ class MessageRepository:
         row = await cursor.fetchone()
         return row["cnt"] if row else 0
 
+    @staticmethod
+    async def count_channel_messages_by_sender_name(sender_name: str) -> int:
+        """Count channel messages attributed to a display name."""
+        cursor = await db.conn.execute(
+            "SELECT COUNT(*) as cnt FROM messages WHERE type = 'CHAN' AND sender_name = ?",
+            (sender_name,),
+        )
+        row = await cursor.fetchone()
+        return row["cnt"] if row else 0
+
+    @staticmethod
+    async def get_first_channel_message_by_sender_name(sender_name: str) -> int | None:
+        """Get the earliest stored channel message timestamp for a display name."""
+        cursor = await db.conn.execute(
+            "SELECT MIN(received_at) AS first_seen FROM messages WHERE type = 'CHAN' AND sender_name = ?",
+            (sender_name,),
+        )
+        row = await cursor.fetchone()
+        return row["first_seen"] if row and row["first_seen"] is not None else None
+
     @staticmethod
     async def get_channel_stats(conversation_key: str) -> dict:
         """Get channel message statistics: time-windowed counts, first message, unique senders, top senders.
@@ -632,3 +856,135 @@ class MessageRepository:
         )
         rows = await cursor.fetchall()
         return [(row["conversation_key"], row["channel_name"], row["cnt"]) for row in rows]
+
+    @staticmethod
+    async def get_most_active_rooms_by_sender_name(
+        sender_name: str, limit: int = 5
+    ) -> list[tuple[str, str, int]]:
+        """Get channels where a display name has sent the most messages."""
+        cursor = await db.conn.execute(
+            """
+            SELECT m.conversation_key, COALESCE(c.name, m.conversation_key) AS channel_name,
+                   COUNT(*) AS cnt
+            FROM messages m
+            LEFT JOIN channels c ON m.conversation_key = c.key
+            WHERE m.type = 'CHAN' AND m.sender_name = ?
+            GROUP BY m.conversation_key
+            ORDER BY cnt DESC
+            LIMIT ?
+            """,
+            (sender_name, limit),
+        )
+        rows = await cursor.fetchall()
+        return [(row["conversation_key"], row["channel_name"], row["cnt"]) for row in rows]
+
+    @staticmethod
+    async def _get_activity_hour_buckets(where_sql: str, params: list[Any]) -> dict[int, int]:
+        cursor = await db.conn.execute(
+            f"""
+            SELECT received_at / 3600 AS hour_bucket, COUNT(*) AS cnt
+            FROM messages
+            WHERE {where_sql}
+            GROUP BY hour_bucket
+            """,
+            params,
+        )
+        rows = await cursor.fetchall()
+        return {int(row["hour_bucket"]): row["cnt"] for row in rows}
+
+    @staticmethod
+    def _build_hourly_activity(
+        hour_counts: dict[int, int], now: int
+    ) -> list[ContactAnalyticsHourlyBucket]:
+        current_hour = now // 3600
+        if hour_counts:
+            min_hour = min(hour_counts)
+        else:
+            min_hour = current_hour
+
+        buckets: list[ContactAnalyticsHourlyBucket] = []
+        for hour_bucket in range(current_hour - 23, current_hour + 1):
+            last_24h_count = hour_counts.get(hour_bucket, 0)
+
+            week_total = 0
+            week_samples = 0
+            all_time_total = 0
+            all_time_samples = 0
+            compare_hour = hour_bucket
+            while compare_hour >= min_hour:
+                count = hour_counts.get(compare_hour, 0)
+                all_time_total += count
+                all_time_samples += 1
+                if week_samples < 7:
+                    week_total += count
+                    week_samples += 1
+                compare_hour -= 24
+
+            buckets.append(
+                ContactAnalyticsHourlyBucket(
+                    bucket_start=hour_bucket * 3600,
+                    last_24h_count=last_24h_count,
+                    last_week_average=round(week_total / week_samples, 2) if week_samples else 0,
+                    all_time_average=round(all_time_total / all_time_samples, 2)
+                    if all_time_samples
+                    else 0,
+                )
+            )
+        return buckets
+
+    @staticmethod
+    async def _get_weekly_activity(
+        where_sql: str,
+        params: list[Any],
+        now: int,
+        weeks: int = 26,
+    ) -> list[ContactAnalyticsWeeklyBucket]:
+        bucket_seconds = 7 * 24 * 3600
+        current_day_start = (now // 86400) * 86400
+        start = current_day_start - (weeks - 1) * bucket_seconds
+
+        cursor = await db.conn.execute(
+            f"""
+            SELECT (received_at - ?) / ? AS bucket_idx, COUNT(*) AS cnt
+            FROM messages
+            WHERE {where_sql} AND received_at >= ?
+            GROUP BY bucket_idx
+            """,
+            [start, bucket_seconds, *params, start],
+        )
+        rows = await cursor.fetchall()
+        counts = {int(row["bucket_idx"]): row["cnt"] for row in rows}
+
+        return [
+            ContactAnalyticsWeeklyBucket(
+                bucket_start=start + bucket_idx * bucket_seconds,
+                message_count=counts.get(bucket_idx, 0),
+            )
+            for bucket_idx in range(weeks)
+        ]
+
+    @staticmethod
+    async def get_contact_activity_series(
+        public_key: str,
+        now: int | None = None,
+    ) -> tuple[list[ContactAnalyticsHourlyBucket], list[ContactAnalyticsWeeklyBucket]]:
+        """Get combined DM + channel activity series for a keyed contact."""
+        ts = now if now is not None else int(time.time())
+        where_sql, params = MessageRepository._contact_activity_filter(public_key)
+        hour_counts = await MessageRepository._get_activity_hour_buckets(where_sql, params)
+        hourly = MessageRepository._build_hourly_activity(hour_counts, ts)
+        weekly = await MessageRepository._get_weekly_activity(where_sql, params, ts)
+        return hourly, weekly
+
+    @staticmethod
+    async def get_sender_name_activity_series(
+        sender_name: str,
+        now: int | None = None,
+    ) -> tuple[list[ContactAnalyticsHourlyBucket], list[ContactAnalyticsWeeklyBucket]]:
+        """Get channel-only activity series for a sender name."""
+        ts = now if now is not None else int(time.time())
+        where_sql, params = MessageRepository._name_activity_filter(sender_name)
+        hour_counts = await MessageRepository._get_activity_hour_buckets(where_sql, params)
+        hourly = MessageRepository._build_hourly_activity(hour_counts, ts)
+        weekly = await MessageRepository._get_weekly_activity(where_sql, params, ts)
+        return hourly, weekly

app/routers/channels.py

@@ -17,6 +17,10 @@ logger = logging.getLogger(__name__)
 router = APIRouter(prefix="/channels", tags=["channels"])
 
 
+def _broadcast_channel_update(channel: Channel) -> None:
+    broadcast_event("channel", channel.model_dump())
+
+
 class CreateChannelRequest(BaseModel):
     name: str = Field(min_length=1, max_length=32)
     key: str | None = Field(
@@ -98,13 +102,12 @@ async def create_channel(request: CreateChannelRequest) -> Channel:
         on_radio=False,
     )
 
-    return Channel(
-        key=key_hex,
-        name=request.name,
-        is_hashtag=is_hashtag,
-        on_radio=False,
-        flood_scope_override=None,
-    )
+    stored = await ChannelRepository.get_by_key(key_hex)
+    if stored is None:
+        raise HTTPException(status_code=500, detail="Channel was created but could not be reloaded")
+
+    _broadcast_channel_update(stored)
+    return stored
 
 
 @router.post("/sync")
@@ -123,6 +126,9 @@ async def sync_channels_from_radio(max_channels: int = Query(default=40, ge=1, l
                 key_hex = await upsert_channel_from_radio_slot(result.payload, on_radio=True)
                 if key_hex is not None:
                     count += 1
+                    stored = await ChannelRepository.get_by_key(key_hex)
+                    if stored is not None:
+                        _broadcast_channel_update(stored)
                     logger.debug(
                         "Synced channel %s: %s", key_hex, result.payload.get("channel_name")
                     )

app/routers/contacts.py

@@ -10,10 +10,12 @@ from app.models import (
     ContactActiveRoom,
     ContactAdvertPath,
     ContactAdvertPathSummary,
+    ContactAnalytics,
     ContactDetail,
     ContactRoutingOverrideRequest,
     ContactUpsert,
     CreateContactRequest,
+    NameOnlyContactDetail,
     NearestRepeater,
     TraceResponse,
 )
@@ -26,7 +28,10 @@ from app.repository import (
     ContactRepository,
     MessageRepository,
 )
-from app.services.contact_reconciliation import reconcile_contact_messages
+from app.services.contact_reconciliation import (
+    promote_prefix_contacts_for_contact,
+    reconcile_contact_messages,
+)
 from app.services.radio_runtime import radio_runtime as radio_manager
 
 logger = logging.getLogger(__name__)
@@ -91,6 +96,115 @@ async def _broadcast_contact_update(contact: Contact) -> None:
     broadcast_event("contact", contact.model_dump())
 
 
+async def _broadcast_contact_resolution(previous_public_keys: list[str], contact: Contact) -> None:
+    from app.websocket import broadcast_event
+
+    for old_key in previous_public_keys:
+        broadcast_event(
+            "contact_resolved",
+            {
+                "previous_public_key": old_key,
+                "contact": contact.model_dump(),
+            },
+        )
+
+
+async def _build_keyed_contact_analytics(contact: Contact) -> ContactAnalytics:
+    name_history = await ContactNameHistoryRepository.get_history(contact.public_key)
+    dm_count = await MessageRepository.count_dm_messages(contact.public_key)
+    chan_count = await MessageRepository.count_channel_messages_by_sender(contact.public_key)
+    active_rooms_raw = await MessageRepository.get_most_active_rooms(contact.public_key)
+    advert_paths = await ContactAdvertPathRepository.get_recent_for_contact(contact.public_key)
+    hourly_activity, weekly_activity = await MessageRepository.get_contact_activity_series(
+        contact.public_key
+    )
+
+    most_active_rooms = [
+        ContactActiveRoom(channel_key=key, channel_name=name, message_count=count)
+        for key, name, count in active_rooms_raw
+    ]
+
+    advert_frequency: float | None = None
+    if advert_paths:
+        total_observations = sum(p.heard_count for p in advert_paths)
+        earliest = min(p.first_seen for p in advert_paths)
+        latest = max(p.last_seen for p in advert_paths)
+        span_hours = (latest - earliest) / 3600.0
+        if span_hours > 0:
+            advert_frequency = round(total_observations / span_hours, 2)
+
+    first_hop_stats: dict[str, dict] = {}
+    for p in advert_paths:
+        prefix = p.next_hop
+        if prefix:
+            if prefix not in first_hop_stats:
+                first_hop_stats[prefix] = {
+                    "heard_count": 0,
+                    "path_len": p.path_len,
+                    "last_seen": p.last_seen,
+                }
+            first_hop_stats[prefix]["heard_count"] += p.heard_count
+            first_hop_stats[prefix]["last_seen"] = max(
+                first_hop_stats[prefix]["last_seen"], p.last_seen
+            )
+
+    resolved_contacts = await ContactRepository.resolve_prefixes(list(first_hop_stats.keys()))
+
+    nearest_repeaters: list[NearestRepeater] = []
+    for prefix, stats in first_hop_stats.items():
+        resolved = resolved_contacts.get(prefix)
+        nearest_repeaters.append(
+            NearestRepeater(
+                public_key=resolved.public_key if resolved else prefix,
+                name=resolved.name if resolved else None,
+                path_len=stats["path_len"],
+                last_seen=stats["last_seen"],
+                heard_count=stats["heard_count"],
+            )
+        )
+
+    nearest_repeaters.sort(key=lambda r: r.heard_count, reverse=True)
+
+    return ContactAnalytics(
+        lookup_type="contact",
+        name=contact.name or contact.public_key[:12],
+        contact=contact,
+        name_history=name_history,
+        dm_message_count=dm_count,
+        channel_message_count=chan_count,
+        includes_direct_messages=True,
+        most_active_rooms=most_active_rooms,
+        advert_paths=advert_paths,
+        advert_frequency=advert_frequency,
+        nearest_repeaters=nearest_repeaters,
+        hourly_activity=hourly_activity,
+        weekly_activity=weekly_activity,
+    )
+
+
+async def _build_name_only_contact_analytics(name: str) -> ContactAnalytics:
+    chan_count = await MessageRepository.count_channel_messages_by_sender_name(name)
+    name_first_seen_at = await MessageRepository.get_first_channel_message_by_sender_name(name)
+    active_rooms_raw = await MessageRepository.get_most_active_rooms_by_sender_name(name)
+    hourly_activity, weekly_activity = await MessageRepository.get_sender_name_activity_series(name)
+
+    most_active_rooms = [
+        ContactActiveRoom(channel_key=key, channel_name=room_name, message_count=count)
+        for key, room_name, count in active_rooms_raw
+    ]
+
+    return ContactAnalytics(
+        lookup_type="name",
+        name=name,
+        name_first_seen_at=name_first_seen_at,
+        channel_message_count=chan_count,
+        includes_direct_messages=False,
+        most_active_rooms=most_active_rooms,
+        hourly_activity=hourly_activity,
+        weekly_activity=weekly_activity,
+    )
+
+
 @router.get("", response_model=list[Contact])
 async def list_contacts(
     limit: int = Query(default=100, ge=1, le=1000),
@@ -114,6 +228,26 @@ async def list_repeater_advert_paths(
     )
 
 
+@router.get("/analytics", response_model=ContactAnalytics)
+async def get_contact_analytics(
+    public_key: str | None = Query(default=None),
+    name: str | None = Query(default=None, min_length=1, max_length=200),
+) -> ContactAnalytics:
+    """Get unified contact analytics for either a keyed contact or a sender name."""
+    if bool(public_key) == bool(name):
+        raise HTTPException(status_code=400, detail="Specify exactly one of public_key or name")
+
+    if public_key:
+        contact = await _resolve_contact_or_404(public_key)
+        return await _build_keyed_contact_analytics(contact)
+
+    assert name is not None
+    normalized_name = name.strip()
+    if not normalized_name:
+        raise HTTPException(status_code=400, detail="name is required")
+    return await _build_name_only_contact_analytics(normalized_name)
+
+
 @router.post("", response_model=Contact)
 async def create_contact(
     request: CreateContactRequest, background_tasks: BackgroundTasks
@@ -139,12 +273,23 @@ async def create_contact(
             if refreshed is not None:
                 existing = refreshed
 
+        promoted_keys = await promote_prefix_contacts_for_contact(
+            public_key=request.public_key,
+            log=logger,
+        )
+        if promoted_keys:
+            refreshed = await ContactRepository.get_by_key(request.public_key)
+            if refreshed is not None:
+                existing = refreshed
+                await _broadcast_contact_resolution(promoted_keys, existing)
+
         # Trigger historical decryption if requested (even for existing contacts)
         if request.try_historical:
             await start_historical_dm_decryption(
                 background_tasks, request.public_key, request.name or existing.name
             )
 
+        await _broadcast_contact_update(existing)
         return existing
 
     # Create new contact
@@ -157,6 +302,10 @@ async def create_contact(
     )
     await ContactRepository.upsert(contact_upsert)
     logger.info("Created contact %s", lower_key[:12])
+    promoted_keys = await promote_prefix_contacts_for_contact(
+        public_key=lower_key,
+        log=logger,
+    )
 
     await reconcile_contact_messages(
         public_key=lower_key,
@@ -168,7 +317,12 @@ async def create_contact(
     if request.try_historical:
         await start_historical_dm_decryption(background_tasks, lower_key, request.name)
 
-    return Contact(**contact_upsert.model_dump())
+    stored = await ContactRepository.get_by_key(lower_key)
+    if stored is None:
+        raise HTTPException(status_code=500, detail="Contact was created but could not be reloaded")
+    await _broadcast_contact_update(stored)
+    await _broadcast_contact_resolution(promoted_keys, stored)
+    return stored
 
 
 @router.get("/{public_key}/detail", response_model=ContactDetail)
@@ -179,73 +333,33 @@ async def get_contact_detail(public_key: str) -> ContactDetail:
     advertisement paths, advert frequency, and nearest repeaters.
     """
     contact = await _resolve_contact_or_404(public_key)
-
-    name_history = await ContactNameHistoryRepository.get_history(contact.public_key)
-    dm_count = await MessageRepository.count_dm_messages(contact.public_key)
-    chan_count = await MessageRepository.count_channel_messages_by_sender(contact.public_key)
-    active_rooms_raw = await MessageRepository.get_most_active_rooms(contact.public_key)
-    advert_paths = await ContactAdvertPathRepository.get_recent_for_contact(contact.public_key)
-
-    most_active_rooms = [
-        ContactActiveRoom(channel_key=key, channel_name=name, message_count=count)
-        for key, name, count in active_rooms_raw
-    ]
-
-    # Compute advert observation rate (observations/hour) from path data.
-    # Note: a single advertisement can arrive via multiple paths, so this counts
-    # RF observations, not unique advertisement broadcasts.
-    advert_frequency: float | None = None
-    if advert_paths:
-        total_observations = sum(p.heard_count for p in advert_paths)
-        earliest = min(p.first_seen for p in advert_paths)
-        latest = max(p.last_seen for p in advert_paths)
-        span_hours = (latest - earliest) / 3600.0
-        if span_hours > 0:
-            advert_frequency = round(total_observations / span_hours, 2)
-
-    # Compute nearest repeaters from first-hop prefixes in advert paths
-    first_hop_stats: dict[str, dict] = {}  # prefix -> {heard_count, path_len, last_seen}
-    for p in advert_paths:
-        prefix = p.next_hop
-        if prefix:
-            if prefix not in first_hop_stats:
-                first_hop_stats[prefix] = {
-                    "heard_count": 0,
-                    "path_len": p.path_len,
-                    "last_seen": p.last_seen,
-                }
-            first_hop_stats[prefix]["heard_count"] += p.heard_count
-            first_hop_stats[prefix]["last_seen"] = max(
-                first_hop_stats[prefix]["last_seen"], p.last_seen
-            )
-
-    # Resolve all first-hop prefixes to contacts in a single query
-    resolved_contacts = await ContactRepository.resolve_prefixes(list(first_hop_stats.keys()))
-
-    nearest_repeaters: list[NearestRepeater] = []
-    for prefix, stats in first_hop_stats.items():
-        resolved = resolved_contacts.get(prefix)
-        nearest_repeaters.append(
-            NearestRepeater(
-                public_key=resolved.public_key if resolved else prefix,
-                name=resolved.name if resolved else None,
-                path_len=stats["path_len"],
-                last_seen=stats["last_seen"],
-                heard_count=stats["heard_count"],
-            )
-        )
-
-    nearest_repeaters.sort(key=lambda r: r.heard_count, reverse=True)
-
+    analytics = await _build_keyed_contact_analytics(contact)
+    assert analytics.contact is not None
     return ContactDetail(
-        contact=contact,
-        name_history=name_history,
-        dm_message_count=dm_count,
-        channel_message_count=chan_count,
-        most_active_rooms=most_active_rooms,
-        advert_paths=advert_paths,
-        advert_frequency=advert_frequency,
-        nearest_repeaters=nearest_repeaters,
+        contact=analytics.contact,
+        name_history=analytics.name_history,
+        dm_message_count=analytics.dm_message_count,
+        channel_message_count=analytics.channel_message_count,
+        most_active_rooms=analytics.most_active_rooms,
+        advert_paths=analytics.advert_paths,
+        advert_frequency=analytics.advert_frequency,
+        nearest_repeaters=analytics.nearest_repeaters,
+    )
+
+
+@router.get("/name-detail", response_model=NameOnlyContactDetail)
+async def get_name_only_contact_detail(
+    name: str = Query(min_length=1, max_length=200),
+) -> NameOnlyContactDetail:
+    """Get channel activity summary for a sender name without a resolved key."""
+    normalized_name = name.strip()
+    if not normalized_name:
+        raise HTTPException(status_code=400, detail="name is required")
+    analytics = await _build_name_only_contact_analytics(normalized_name)
+    return NameOnlyContactDetail(
+        name=analytics.name,
+        channel_message_count=analytics.channel_message_count,
+        most_active_rooms=analytics.most_active_rooms,
     )
 
 
@@ -287,12 +401,20 @@ async def sync_contacts_from_radio() -> dict:
         await ContactRepository.upsert(
             ContactUpsert.from_radio_dict(lower_key, contact_data, on_radio=True)
         )
+        promoted_keys = await promote_prefix_contacts_for_contact(
+            public_key=lower_key,
+            log=logger,
+        )
         synced_keys.append(lower_key)
         await reconcile_contact_messages(
             public_key=lower_key,
             contact_name=contact_data.get("adv_name"),
             log=logger,
         )
+        stored = await ContactRepository.get_by_key(lower_key)
+        if stored is not None:
+            await _broadcast_contact_update(stored)
+            await _broadcast_contact_resolution(promoted_keys, stored)
         count += 1
 
     # Clear on_radio for contacts not found on the radio
@@ -341,6 +463,7 @@ async def add_contact_to_radio(public_key: str) -> dict:
         # Check if already on radio
         radio_contact = mc.get_contact_by_key_prefix(contact.public_key[:12])
         if radio_contact:
+            await ContactRepository.set_on_radio(contact.public_key, True)
             return {"status": "ok", "message": "Contact already on radio"}
 
         logger.info("Adding contact %s to radio", contact.public_key[:12])

app/routers/fanout.py

@@ -1,5 +1,7 @@
 """REST API for fanout config CRUD."""
 
+import ast
+import inspect
 import logging
 import re
 import string
@@ -8,12 +10,13 @@ from fastapi import APIRouter, HTTPException
 from pydantic import BaseModel, Field
 
 from app.config import settings as server_settings
+from app.fanout.bot_exec import _analyze_bot_signature
 from app.repository.fanout import FanoutConfigRepository
 
 logger = logging.getLogger(__name__)
 router = APIRouter(prefix="/fanout", tags=["fanout"])
 
-_VALID_TYPES = {"mqtt_private", "mqtt_community", "bot", "webhook", "apprise"}
+_VALID_TYPES = {"mqtt_private", "mqtt_community", "bot", "webhook", "apprise", "sqs"}
 
 _IATA_RE = re.compile(r"^[A-Z]{3}$")
 _DEFAULT_COMMUNITY_MQTT_TOPIC_TEMPLATE = "meshcore/{IATA}/{PUBLIC_KEY}/packets"
@@ -144,18 +147,78 @@ def _validate_mqtt_community_config(config: dict) -> None:
 
 
 def _validate_bot_config(config: dict) -> None:
-    """Validate bot config blob (syntax-check the code)."""
+    """Validate bot config blob (syntax-check the code and supported signature)."""
     code = config.get("code", "")
     if not code or not code.strip():
         raise HTTPException(status_code=400, detail="Bot code cannot be empty")
     try:
-        compile(code, "<bot_code>", "exec")
+        tree = ast.parse(code, filename="<bot_code>", mode="exec")
     except SyntaxError as e:
         raise HTTPException(
             status_code=400,
             detail=f"Bot code has syntax error at line {e.lineno}: {e.msg}",
         ) from None
 
+    bot_def = next(
+        (
+            node
+            for node in tree.body
+            if isinstance(node, (ast.FunctionDef, ast.AsyncFunctionDef)) and node.name == "bot"
+        ),
+        None,
+    )
+    if bot_def is None:
+        raise HTTPException(
+            status_code=400,
+            detail=(
+                "Bot code must define a callable bot() function. "
+                "Use the default bot template as a reference."
+            ),
+        )
+
+    try:
+        parameters: list[inspect.Parameter] = []
+        positional_args = [
+            *((arg, inspect.Parameter.POSITIONAL_ONLY) for arg in bot_def.args.posonlyargs),
+            *((arg, inspect.Parameter.POSITIONAL_OR_KEYWORD) for arg in bot_def.args.args),
+        ]
+        positional_defaults_start = len(positional_args) - len(bot_def.args.defaults)
+        sentinel_default = object()
+
+        for index, (arg, kind) in enumerate(positional_args):
+            has_default = index >= positional_defaults_start
+            parameters.append(
+                inspect.Parameter(
+                    arg.arg,
+                    kind=kind,
+                    default=sentinel_default if has_default else inspect.Parameter.empty,
+                )
+            )
+        if bot_def.args.vararg is not None:
+            parameters.append(
+                inspect.Parameter(bot_def.args.vararg.arg, kind=inspect.Parameter.VAR_POSITIONAL)
+            )
+        for kwonly_arg, kw_default in zip(
+            bot_def.args.kwonlyargs, bot_def.args.kw_defaults, strict=True
+        ):
+            parameters.append(
+                inspect.Parameter(
+                    kwonly_arg.arg,
+                    kind=inspect.Parameter.KEYWORD_ONLY,
+                    default=(
+                        sentinel_default if kw_default is not None else inspect.Parameter.empty
+                    ),
+                )
+            )
+        if bot_def.args.kwarg is not None:
+            parameters.append(
+                inspect.Parameter(bot_def.args.kwarg.arg, kind=inspect.Parameter.VAR_KEYWORD)
+            )
+
+        _analyze_bot_signature(inspect.Signature(parameters))
+    except ValueError as exc:
+        raise HTTPException(status_code=400, detail=str(exc)) from None
+
 
 def _validate_apprise_config(config: dict) -> None:
     """Validate apprise config blob."""
@@ -179,6 +242,39 @@ def _validate_webhook_config(config: dict) -> None:
         raise HTTPException(status_code=400, detail="headers must be a JSON object")
 
 
+def _validate_sqs_config(config: dict) -> None:
+    """Validate sqs config blob."""
+    queue_url = str(config.get("queue_url", "")).strip()
+    if not queue_url:
+        raise HTTPException(status_code=400, detail="queue_url is required for sqs")
+    if not queue_url.startswith(("https://", "http://")):
+        raise HTTPException(status_code=400, detail="queue_url must start with http:// or https://")
+
+    endpoint_url = str(config.get("endpoint_url", "")).strip()
+    if endpoint_url and not endpoint_url.startswith(("https://", "http://")):
+        raise HTTPException(
+            status_code=400,
+            detail="endpoint_url must start with http:// or https://",
+        )
+
+    access_key_id = str(config.get("access_key_id", "")).strip()
+    secret_access_key = str(config.get("secret_access_key", "")).strip()
+    session_token = str(config.get("session_token", "")).strip()
+    has_static_keypair = bool(access_key_id) and bool(secret_access_key)
+    has_partial_keypair = bool(access_key_id) != bool(secret_access_key)
+
+    if has_partial_keypair:
+        raise HTTPException(
+            status_code=400,
+            detail="access_key_id and secret_access_key must be set together for sqs",
+        )
+    if session_token and not has_static_keypair:
+        raise HTTPException(
+            status_code=400,
+            detail="session_token requires access_key_id and secret_access_key for sqs",
+        )
+
+
 def _enforce_scope(config_type: str, scope: dict) -> dict:
     """Enforce type-specific scope constraints. Returns normalized scope."""
     if config_type == "mqtt_community":
@@ -193,7 +289,7 @@ def _enforce_scope(config_type: str, scope: dict) -> dict:
                 detail="scope.messages must be 'all', 'none', or a filter object",
             )
         return {"messages": messages, "raw_packets": "none"}
-    # For mqtt_private, validate scope values
+    # For mqtt_private and sqs, validate scope values
     messages = scope.get("messages", "all")
     if messages not in ("all", "none") and not isinstance(messages, dict):
         raise HTTPException(
@@ -240,6 +336,8 @@ async def create_fanout_config(body: FanoutConfigCreate) -> dict:
             _validate_webhook_config(body.config)
         elif body.type == "apprise":
             _validate_apprise_config(body.config)
+        elif body.type == "sqs":
+            _validate_sqs_config(body.config)
 
     scope = _enforce_scope(body.type, body.scope)
 
@@ -295,6 +393,8 @@ async def update_fanout_config(config_id: str, body: FanoutConfigUpdate) -> dict
             _validate_webhook_config(config_to_validate)
         elif existing["type"] == "apprise":
             _validate_apprise_config(config_to_validate)
+        elif existing["type"] == "sqs":
+            _validate_sqs_config(config_to_validate)
 
     updated = await FanoutConfigRepository.update(config_id, **kwargs)
     if updated is None:

app/routers/health.py

@@ -15,6 +15,7 @@ class HealthResponse(BaseModel):
     status: str
     radio_connected: bool
     radio_initializing: bool = False
+    radio_state: str = "disconnected"
     connection_info: str | None
     database_size_mb: float
     oldest_undecrypted_timestamp: int | None
@@ -56,12 +57,31 @@ async def build_health_data(radio_connected: bool, connection_info: str | None)
     if not radio_connected:
         setup_complete = False
 
+    connection_desired = getattr(radio_manager, "connection_desired", True)
+    if not isinstance(connection_desired, bool):
+        connection_desired = True
+
+    is_reconnecting = getattr(radio_manager, "is_reconnecting", False)
+    if not isinstance(is_reconnecting, bool):
+        is_reconnecting = False
+
     radio_initializing = bool(radio_connected and (setup_in_progress or not setup_complete))
+    if not connection_desired:
+        radio_state = "paused"
+    elif radio_initializing:
+        radio_state = "initializing"
+    elif radio_connected:
+        radio_state = "connected"
+    elif is_reconnecting:
+        radio_state = "connecting"
+    else:
+        radio_state = "disconnected"
 
     return {
         "status": "ok" if radio_connected and not radio_initializing else "degraded",
         "radio_connected": radio_connected,
         "radio_initializing": radio_initializing,
+        "radio_state": radio_state,
         "connection_info": connection_info,
         "database_size_mb": db_size_mb,
         "oldest_undecrypted_timestamp": oldest_ts,

app/routers/messages.py

@@ -108,6 +108,11 @@ async def send_direct_message(request: SendDirectMessageRequest) -> Message:
         raise HTTPException(
             status_code=404, detail=f"Contact not found in database: {request.destination}"
         )
+    if len(db_contact.public_key) < 64:
+        raise HTTPException(
+            status_code=409,
+            detail="Cannot send to an unresolved prefix-only contact until a full key is known",
+        )
 
     return await send_direct_message_to_contact(
         contact=db_contact,

app/routers/radio.py

@@ -1,4 +1,5 @@
 import logging
+from typing import Literal
 
 from fastapi import APIRouter, HTTPException
 from pydantic import BaseModel, Field
@@ -14,13 +15,16 @@ from app.services.radio_commands import (
     import_private_key_and_refresh_keystore,
 )
 from app.services.radio_runtime import radio_runtime as radio_manager
+from app.websocket import broadcast_health
 
 logger = logging.getLogger(__name__)
 router = APIRouter(prefix="/radio", tags=["radio"])
 
+AdvertLocationSource = Literal["off", "current"]
 
-async def _prepare_connected(*, broadcast_on_success: bool) -> None:
-    await radio_manager.prepare_connected(broadcast_on_success=broadcast_on_success)
+
+async def _prepare_connected(*, broadcast_on_success: bool) -> bool:
+    return await radio_manager.prepare_connected(broadcast_on_success=broadcast_on_success)
 
 
 async def _reconnect_and_prepare(*, broadcast_on_success: bool) -> bool:
@@ -50,6 +54,10 @@ class RadioConfigResponse(BaseModel):
     path_hash_mode_supported: bool = Field(
         default=False, description="Whether firmware supports path hash mode setting"
     )
+    advert_location_source: AdvertLocationSource = Field(
+        default="current",
+        description="Whether adverts include the node's current location state",
+    )
 
 
 class RadioConfigUpdate(BaseModel):
@@ -64,6 +72,10 @@ class RadioConfigUpdate(BaseModel):
         le=2,
         description="Path hash mode (0=1-byte, 1=2-byte, 2=3-byte)",
     )
+    advert_location_source: AdvertLocationSource | None = Field(
+        default=None,
+        description="Whether adverts include the node's current location state",
+    )
 
 
 class PrivateKeyUpdate(BaseModel):
@@ -79,6 +91,9 @@ async def get_radio_config() -> RadioConfigResponse:
     if not info:
         raise HTTPException(status_code=503, detail="Radio info not available")
 
+    adv_loc_policy = info.get("adv_loc_policy", 1)
+    advert_location_source: AdvertLocationSource = "off" if adv_loc_policy == 0 else "current"
+
     return RadioConfigResponse(
         public_key=info.get("public_key", ""),
         name=info.get("name", ""),
@@ -94,6 +109,7 @@ async def get_radio_config() -> RadioConfigResponse:
         ),
         path_hash_mode=radio_manager.path_hash_mode,
         path_hash_mode_supported=radio_manager.path_hash_mode_supported,
+        advert_location_source=advert_location_source,
     )
 
 
@@ -170,6 +186,8 @@ async def send_advertisement() -> dict:
 
 async def _attempt_reconnect() -> dict:
     """Shared reconnection logic for reboot and reconnect endpoints."""
+    radio_manager.resume_connection()
+
     if radio_manager.is_reconnecting:
         return {
             "status": "pending",
@@ -194,6 +212,20 @@ async def _attempt_reconnect() -> dict:
     return {"status": "ok", "message": "Reconnected successfully", "connected": True}
 
 
+@router.post("/disconnect")
+async def disconnect_radio() -> dict:
+    """Disconnect from the radio and pause automatic reconnect attempts."""
+    logger.info("Manual radio disconnect requested")
+    await radio_manager.pause_connection()
+    broadcast_health(False, radio_manager.connection_info)
+    return {
+        "status": "ok",
+        "message": "Disconnected. Automatic reconnect is paused.",
+        "connected": False,
+        "paused": True,
+    }
+
+
 @router.post("/reboot")
 async def reboot_radio() -> dict:
     """Reboot the radio, or reconnect if not currently connected.
@@ -228,8 +260,11 @@ async def reconnect_radio() -> dict:
 
         logger.info("Radio connected but setup incomplete, retrying setup")
         try:
-            await _prepare_connected(broadcast_on_success=True)
+            if not await _prepare_connected(broadcast_on_success=True):
+                raise HTTPException(status_code=503, detail="Radio connection is paused")
             return {"status": "ok", "message": "Setup completed", "connected": True}
+        except HTTPException:
+            raise
         except Exception as e:
             logger.exception("Post-connect setup failed")
             raise HTTPException(

app/routers/repeaters.py

@@ -451,7 +451,7 @@ async def send_repeater_command(public_key: str, request: CommandRequest) -> Com
     - get radio, set radio <freq,bw,sf,cr>
     - tempradio <freq,bw,sf,cr,minutes>
     - setperm <pubkey> <permission>  (0=guest, 1=read-only, 2=read-write, 3=admin)
-    - clock, clock sync
+    - clock, clock sync, time <epoch_seconds>
     - reboot
     - ver
     """

app/routers/settings.py

@@ -19,7 +19,8 @@ class AppSettingsUpdate(BaseModel):
         ge=1,
         le=1000,
         description=(
-            "Maximum contacts to keep on radio (favorites first, then recent non-repeaters)"
+            "Configured radio contact capacity used for maintenance thresholds and "
+            "background refill behavior"
         ),
     )
     auto_decrypt_dm_on_advert: bool | None = Field(
@@ -161,12 +162,12 @@ async def toggle_favorite(request: FavoriteRequest) -> AppSettings:
         logger.info("Adding favorite: %s %s", request.type, request.id[:12])
         result = await AppSettingsRepository.add_favorite(request.type, request.id)
 
-    # When a contact favorite changes, sync the radio so the contact is
-    # loaded/unloaded immediately rather than waiting for the next advert.
-    if request.type == "contact":
-        from app.radio_sync import sync_recent_contacts_to_radio
+    # When a contact is newly favorited, load just that contact to the radio
+    # immediately so DM ACK support does not wait for the next maintenance cycle.
+    if request.type == "contact" and not is_favorited:
+        from app.radio_sync import ensure_contact_on_radio
 
-        asyncio.create_task(sync_recent_contacts_to_radio(force=True))
+        asyncio.create_task(ensure_contact_on_radio(request.id, force=True))
 
     return result
 

app/security.py

@@ -0,0 +1,121 @@
+"""ASGI middleware for optional app-wide HTTP Basic authentication."""
+
+from __future__ import annotations
+
+import base64
+import binascii
+import json
+import logging
+import secrets
+from typing import Any
+
+from starlette.datastructures import Headers
+
+logger = logging.getLogger(__name__)
+
+_AUTH_REALM = "RemoteTerm"
+_UNAUTHORIZED_BODY = json.dumps({"detail": "Unauthorized"}).encode("utf-8")
+
+
+class BasicAuthMiddleware:
+    """Protect all HTTP and WebSocket entrypoints with HTTP Basic auth."""
+
+    def __init__(self, app, *, username: str, password: str, realm: str = _AUTH_REALM) -> None:
+        self.app = app
+        self.username = username
+        self.password = password
+        self.realm = realm
+        self._challenge_value = f'Basic realm="{realm}", charset="UTF-8"'.encode("latin-1")
+
+    def _is_authorized(self, scope: dict[str, Any]) -> bool:
+        headers = Headers(scope=scope)
+        authorization = headers.get("authorization")
+        if not authorization:
+            return False
+
+        scheme, _, token = authorization.partition(" ")
+        if not token or scheme.lower() != "basic":
+            return False
+
+        token = token.strip()
+        try:
+            decoded = base64.b64decode(token, validate=True).decode("utf-8")
+        except (binascii.Error, UnicodeDecodeError):
+            logger.debug("Rejecting malformed basic auth header")
+            return False
+
+        username, sep, password = decoded.partition(":")
+        if not sep:
+            return False
+
+        return secrets.compare_digest(username, self.username) and secrets.compare_digest(
+            password, self.password
+        )
+
+    async def _send_http_unauthorized(self, send) -> None:
+        await send(
+            {
+                "type": "http.response.start",
+                "status": 401,
+                "headers": [
+                    (b"content-type", b"application/json"),
+                    (b"cache-control", b"no-store"),
+                    (b"content-length", str(len(_UNAUTHORIZED_BODY)).encode("ascii")),
+                    (b"www-authenticate", self._challenge_value),
+                ],
+            }
+        )
+        await send(
+            {
+                "type": "http.response.body",
+                "body": _UNAUTHORIZED_BODY,
+            }
+        )
+
+    async def _send_websocket_unauthorized(self, send) -> None:
+        await send(
+            {
+                "type": "websocket.http.response.start",
+                "status": 401,
+                "headers": [
+                    (b"content-type", b"application/json"),
+                    (b"cache-control", b"no-store"),
+                    (b"content-length", str(len(_UNAUTHORIZED_BODY)).encode("ascii")),
+                    (b"www-authenticate", self._challenge_value),
+                ],
+            }
+        )
+        await send(
+            {
+                "type": "websocket.http.response.body",
+                "body": _UNAUTHORIZED_BODY,
+            }
+        )
+
+    async def __call__(self, scope, receive, send) -> None:
+        scope_type = scope["type"]
+        if scope_type not in {"http", "websocket"}:
+            await self.app(scope, receive, send)
+            return
+
+        if self._is_authorized(scope):
+            await self.app(scope, receive, send)
+            return
+
+        if scope_type == "http":
+            await self._send_http_unauthorized(send)
+            return
+
+        await self._send_websocket_unauthorized(send)
+
+
+def add_optional_basic_auth_middleware(app, settings) -> None:
+    """Enable app-wide basic auth when configured via environment variables."""
+    if not settings.basic_auth_enabled:
+        return
+
+    app.add_middleware(
+        BasicAuthMiddleware,
+        username=settings.basic_auth_username,
+        password=settings.basic_auth_password,
+    )

app/services/contact_reconciliation.py

@@ -2,11 +2,29 @@
 
 import logging
 
-from app.repository import ContactNameHistoryRepository, MessageRepository
+from app.repository import ContactNameHistoryRepository, ContactRepository, MessageRepository
 
 logger = logging.getLogger(__name__)
 
 
+async def promote_prefix_contacts_for_contact(
+    *,
+    public_key: str,
+    contact_repository=ContactRepository,
+    log: logging.Logger | None = None,
+) -> list[str]:
+    """Promote prefix-only placeholder contacts once a full key is known."""
+    normalized_key = public_key.lower()
+    promoted = await contact_repository.promote_prefix_placeholders(normalized_key)
+    if promoted:
+        (log or logger).info(
+            "Promoted %d prefix contact placeholder(s) for %s",
+            len(promoted),
+            normalized_key[:12],
+        )
+    return promoted
+
+
 async def claim_prefix_messages_for_contact(
     *,
     public_key: str,

app/services/message_send.py

@@ -137,15 +137,20 @@ async def send_direct_message_to_contact(
 ) -> Any:
     """Send a direct message and persist/broadcast the outgoing row."""
     contact_data = contact.to_radio_dict()
+    contact_ensured_on_radio = False
     async with radio_manager.radio_operation("send_direct_message") as mc:
         logger.debug("Ensuring contact %s is on radio before sending", contact.public_key[:12])
         add_result = await mc.commands.add_contact(contact_data)
         if add_result.type == EventType.ERROR:
             logger.warning("Failed to add contact to radio: %s", add_result.payload)
+        else:
+            contact_ensured_on_radio = True
 
         cached_contact = mc.get_contact_by_key_prefix(contact.public_key[:12])
         if not cached_contact:
             cached_contact = contact_data
+        else:
+            contact_ensured_on_radio = True
 
         logger.info("Sending direct message to %s", contact.public_key[:12])
         now = int(now_fn())
@@ -158,6 +163,9 @@ async def send_direct_message_to_contact(
     if result.type == EventType.ERROR:
         raise HTTPException(status_code=500, detail=f"Failed to send message: {result.payload}")
 
+    if contact_ensured_on_radio and not contact.on_radio:
+        await contact_repository.set_on_radio(contact.public_key.lower(), True)
+
     message = await create_outgoing_direct_message(
         conversation_key=contact.public_key.lower(),
         text=text,
@@ -198,7 +206,6 @@ async def send_channel_message_to_channel(
     message_repository=MessageRepository,
 ) -> Any:
     """Send a channel message and persist/broadcast the outgoing row."""
-    message_id: int | None = None
     now: int | None = None
     radio_name = ""
     our_public_key: str | None = None
@@ -227,27 +234,27 @@ async def send_channel_message_to_channel(
         if result.type == EventType.ERROR:
             raise HTTPException(status_code=500, detail=f"Failed to send message: {result.payload}")
 
-        outgoing_message = await create_outgoing_channel_message(
-            conversation_key=channel_key_upper,
-            text=text_with_sender,
-            sender_timestamp=now,
-            received_at=now,
-            sender_name=radio_name or None,
-            sender_key=our_public_key,
-            channel_name=channel.name,
-            broadcast_fn=broadcast_fn,
-            message_repository=message_repository,
-        )
-        if outgoing_message is None:
-            raise HTTPException(
-                status_code=500,
-                detail="Failed to store outgoing message - unexpected duplicate",
-            )
-        message_id = outgoing_message.id
-
-    if message_id is None or now is None:
+    if now is None:
         raise HTTPException(status_code=500, detail="Failed to store outgoing message")
 
+    outgoing_message = await create_outgoing_channel_message(
+        conversation_key=channel_key_upper,
+        text=text_with_sender,
+        sender_timestamp=now,
+        received_at=now,
+        sender_name=radio_name or None,
+        sender_key=our_public_key,
+        channel_name=channel.name,
+        broadcast_fn=broadcast_fn,
+        message_repository=message_repository,
+    )
+    if outgoing_message is None:
+        raise HTTPException(
+            status_code=500,
+            detail="Failed to store outgoing message - unexpected duplicate",
+        )
+
+    message_id = outgoing_message.id
     acked_count, paths = await message_repository.get_ack_and_paths(message_id)
     return build_message_model(
         message_id=message_id,

app/services/messages.py

@@ -12,6 +12,25 @@ if TYPE_CHECKING:
 logger = logging.getLogger(__name__)
 
 BroadcastFn = Callable[..., Any]
+LOG_MESSAGE_PREVIEW_LEN = 32
+
+
+def _truncate_for_log(text: str, max_chars: int = LOG_MESSAGE_PREVIEW_LEN) -> str:
+    """Return a compact single-line message preview for log output."""
+    normalized = " ".join(text.split())
+    if len(normalized) <= max_chars:
+        return normalized
+    return f"{normalized[:max_chars].rstrip()}..."
+
+
+def _format_channel_log_target(channel_name: str | None, channel_key: str) -> str:
+    """Return a human-friendly channel label for logs."""
+    return channel_name or channel_key
+
+
+def _format_contact_log_target(contact_name: str | None, public_key: str) -> str:
+    """Return a human-friendly DM target label for logs."""
+    return contact_name or public_key[:12]
 
 
 def build_message_paths(
@@ -214,7 +233,13 @@ async def create_message_from_decrypted(
         )
         return None
 
-    logger.info("Stored channel message %d for channel %s", msg_id, channel_key_normalized[:8])
+    logger.info(
+        'Stored channel message "%s" for %r (msg ID %d in chan ID %s)',
+        _truncate_for_log(text),
+        _format_channel_log_target(channel_name, channel_key_normalized),
+        msg_id,
+        channel_key_normalized,
+    )
     await RawPacketRepository.mark_decrypted(packet_id, msg_id)
 
     broadcast_message(
@@ -292,9 +317,11 @@ async def create_dm_message_from_decrypted(
         return None
 
     logger.info(
-        "Stored direct message %d for contact %s (outgoing=%s)",
+        'Stored direct message "%s" for %r (msg ID %d in contact ID %s, outgoing=%s)',
+        _truncate_for_log(decrypted.message),
+        _format_contact_log_target(contact.name if contact else None, conversation_key),
         msg_id,
-        conversation_key[:12],
+        conversation_key,
         outgoing,
     )
     await RawPacketRepository.mark_decrypted(packet_id, msg_id)

app/services/radio_commands.py

@@ -32,6 +32,18 @@ async def apply_radio_config_update(
     sync_radio_time_fn: Callable[[Any], Awaitable[Any]],
 ) -> None:
     """Apply a validated radio-config update to the connected radio."""
+    if update.advert_location_source is not None:
+        advert_loc_policy = 0 if update.advert_location_source == "off" else 1
+        logger.info(
+            "Setting advert location policy to %s",
+            update.advert_location_source,
+        )
+        result = await mc.commands.set_advert_loc_policy(advert_loc_policy)
+        if result is not None and result.type == EventType.ERROR:
+            raise RadioCommandRejectedError(
+                f"Failed to set advert location policy: {result.payload}"
+            )
+
     if update.name is not None:
         logger.info("Setting radio name to %s", update.name)
         await mc.commands.set_name(update.name)

app/services/radio_lifecycle.py

@@ -3,6 +3,9 @@ import logging
 
 logger = logging.getLogger(__name__)
 
+POST_CONNECT_SETUP_TIMEOUT_SECONDS = 300
+POST_CONNECT_SETUP_MAX_ATTEMPTS = 2
+
 
 async def run_post_connect_setup(radio_manager) -> None:
     """Run shared radio initialization after a transport connection succeeds."""
@@ -24,21 +27,24 @@ async def run_post_connect_setup(radio_manager) -> None:
     if radio_manager._setup_lock is None:
         radio_manager._setup_lock = asyncio.Lock()
 
-    async with radio_manager._setup_lock:
+    async def _setup_body() -> None:
         if not radio_manager.meshcore:
             return
         radio_manager._setup_in_progress = True
         radio_manager._setup_complete = False
-        mc = radio_manager.meshcore
         try:
-            # Register event handlers (no radio I/O, just callback setup)
-            register_event_handlers(mc)
-
             # Hold the operation lock for all radio I/O during setup.
             # This prevents user-initiated operations (send message, etc.)
             # from interleaving commands on the serial link.
             await radio_manager._acquire_operation_lock("post_connect_setup", blocking=True)
             try:
+                mc = radio_manager.meshcore
+                if not mc:
+                    return
+
+                # Register event handlers against the locked, current transport.
+                register_event_handlers(mc)
+
                 await export_and_store_private_key(mc)
 
                 # Sync radio clock with system time
@@ -138,17 +144,56 @@ async def run_post_connect_setup(radio_manager) -> None:
         finally:
             radio_manager._setup_in_progress = False
 
+    async with radio_manager._setup_lock:
+        await asyncio.wait_for(_setup_body(), timeout=POST_CONNECT_SETUP_TIMEOUT_SECONDS)
+
     logger.info("Post-connect setup complete")
 
 
-async def prepare_connected_radio(radio_manager, *, broadcast_on_success: bool = True) -> None:
+async def prepare_connected_radio(radio_manager, *, broadcast_on_success: bool = True) -> bool:
     """Finish setup for an already-connected radio and optionally broadcast health."""
-    from app.websocket import broadcast_health
+    from app.websocket import broadcast_error, broadcast_health
+
+    if not radio_manager.connection_desired:
+        if radio_manager.is_connected:
+            await radio_manager.disconnect()
+        return False
+
+    for attempt in range(1, POST_CONNECT_SETUP_MAX_ATTEMPTS + 1):
+        try:
+            await radio_manager.post_connect_setup()
+            break
+        except asyncio.TimeoutError as exc:
+            if attempt < POST_CONNECT_SETUP_MAX_ATTEMPTS:
+                logger.warning(
+                    "Post-connect setup timed out after %ds on attempt %d/%d; retrying once",
+                    POST_CONNECT_SETUP_TIMEOUT_SECONDS,
+                    attempt,
+                    POST_CONNECT_SETUP_MAX_ATTEMPTS,
+                )
+                continue
+
+            logger.error(
+                "Post-connect setup timed out after %ds on %d attempts. Initial radio offload "
+                "took too long; something is probably wrong.",
+                POST_CONNECT_SETUP_TIMEOUT_SECONDS,
+                POST_CONNECT_SETUP_MAX_ATTEMPTS,
+            )
+            broadcast_error(
+                "Radio startup appears stuck",
+                "Initial radio offload took too long. Reboot the radio and restart the server.",
+            )
+            raise RuntimeError("Post-connect setup timed out") from exc
+
+    if not radio_manager.connection_desired:
+        if radio_manager.is_connected:
+            await radio_manager.disconnect()
+        return False
 
-    await radio_manager.post_connect_setup()
     radio_manager._last_connected = True
     if broadcast_on_success:
         broadcast_health(True, radio_manager.connection_info)
+    return True
 
 
 async def reconnect_and_prepare_radio(
@@ -161,8 +206,7 @@ async def reconnect_and_prepare_radio(
     if not connected:
         return False
 
-    await prepare_connected_radio(radio_manager, broadcast_on_success=broadcast_on_success)
-    return True
+    return await prepare_connected_radio(radio_manager, broadcast_on_success=broadcast_on_success)
 
 
 async def connection_monitor_loop(radio_manager) -> None:
@@ -178,6 +222,7 @@ async def connection_monitor_loop(radio_manager) -> None:
             await asyncio.sleep(check_interval_seconds)
 
             current_connected = radio_manager.is_connected
+            connection_desired = radio_manager.connection_desired
 
             if radio_manager._last_connected and not current_connected:
                 logger.warning("Radio connection lost, broadcasting status change")
@@ -185,6 +230,13 @@ async def connection_monitor_loop(radio_manager) -> None:
                 radio_manager._last_connected = False
                 consecutive_setup_failures = 0
 
+            if not connection_desired:
+                if current_connected:
+                    logger.info("Radio connection paused by operator; disconnecting transport")
+                    await radio_manager.disconnect()
+                consecutive_setup_failures = 0
+                continue
+
             if not current_connected:
                 if not radio_manager.is_reconnecting and await reconnect_and_prepare_radio(
                     radio_manager,
@@ -197,7 +249,11 @@ async def connection_monitor_loop(radio_manager) -> None:
                 await prepare_connected_radio(radio_manager, broadcast_on_success=True)
                 consecutive_setup_failures = 0
 
-            elif current_connected and not radio_manager.is_setup_complete:
+            elif (
+                current_connected
+                and not radio_manager.is_setup_complete
+                and not radio_manager.is_setup_in_progress
+            ):
                 logger.info("Retrying post-connect setup...")
                 await prepare_connected_radio(radio_manager, broadcast_on_success=True)
                 consecutive_setup_failures = 0

app/services/radio_runtime.py

@@ -74,10 +74,12 @@ class RadioRuntime:
     async def disconnect(self) -> None:
         await self.manager.disconnect()
 
-    async def prepare_connected(self, *, broadcast_on_success: bool = True) -> None:
+    async def prepare_connected(self, *, broadcast_on_success: bool = True) -> bool:
         from app.services.radio_lifecycle import prepare_connected_radio
 
-        await prepare_connected_radio(self.manager, broadcast_on_success=broadcast_on_success)
+        return await prepare_connected_radio(
+            self.manager, broadcast_on_success=broadcast_on_success
+        )
 
     async def reconnect_and_prepare(self, *, broadcast_on_success: bool = True) -> bool:
         from app.services.radio_lifecycle import reconnect_and_prepare_radio

frontend/AGENTS.md

@@ -74,6 +74,7 @@ frontend/src/
 │   ├── pubkey.ts               # getContactDisplayName (12-char prefix fallback)
 │   ├── contactAvatar.ts        # Avatar color derivation from public key
 │   ├── rawPacketIdentity.ts    # observation_id vs id dedup helpers
+│   ├── regionScope.ts          # Regional flood-scope label/normalization helpers
 │   ├── visualizerUtils.ts      # 3D visualizer node types, colors, particles
 │   ├── visualizerSettings.ts   # LocalStorage persistence for visualizer options
 │   ├── a11y.ts                 # Keyboard accessibility helper
@@ -105,6 +106,7 @@ frontend/src/
 │   ├── RepeaterDashboard.tsx   # Layout shell — delegates to repeater/ panes
 │   ├── RepeaterLogin.tsx       # Repeater login form (password + guest)
 │   ├── ChannelInfoPane.tsx     # Channel detail sheet (stats, top senders)
+│   ├── DirectTraceIcon.tsx     # Shared direct-trace glyph used in header/dashboard
 │   ├── NeighborsMiniMap.tsx    # Leaflet mini-map for repeater neighbor locations
 │   ├── settings/
 │   │   ├── settingsConstants.ts          # Settings section type, ordering, labels
@@ -136,9 +138,13 @@ frontend/src/
     ├── appFavorites.test.tsx
     ├── appStartupHash.test.tsx
     ├── contactAvatar.test.ts
+    ├── contactInfoPane.test.tsx
     ├── integration.test.ts
+    ├── mapView.test.tsx
     ├── messageCache.test.ts
+    ├── messageList.test.tsx
     ├── messageParser.test.ts
+    ├── rawPacketList.test.tsx
     ├── pathUtils.test.ts
     ├── prefetch.test.ts
     ├── radioPresets.test.ts
@@ -152,12 +158,14 @@ frontend/src/
     ├── newMessageModal.test.tsx
     ├── settingsModal.test.tsx
     ├── sidebar.test.tsx
+    ├── statusBar.test.tsx
     ├── unreadCounts.test.ts
     ├── urlHash.test.ts
     ├── appSearchJump.test.tsx
     ├── channelInfoKeyVisibility.test.tsx
     ├── chatHeaderKeyVisibility.test.tsx
     ├── searchView.test.tsx
+    ├── useConversationActions.test.ts
     ├── useConversationMessages.test.ts
     ├── useConversationMessages.race.test.ts
     ├── useConversationNavigation.test.ts
@@ -240,13 +248,14 @@ High-level state is delegated to hooks:
 ### Radio settings behavior
 
 - `SettingsRadioSection.tsx` surfaces `path_hash_mode` only when `config.path_hash_mode_supported` is true.
+- Advert-location control is intentionally only `off` vs `include node location`. Companion-radio firmware does not reliably distinguish saved coordinates from live GPS in this path.
 - Frontend `path_len` fields are hop counts, not raw byte lengths; multibyte path rendering must use the accompanying metadata before splitting hop identifiers.
 
 ## WebSocket (`useWebSocket.ts`)
 
 - Auto reconnect (3s) with cleanup guard on unmount.
 - Heartbeat ping every 30s.
-- Incoming JSON is parsed through `wsEvents.ts`, which returns a typed discriminated union for known events and a centralized `unknown` fallback.
+- Incoming JSON is parsed through `wsEvents.ts`, which validates the top-level envelope and known event type strings, then casts payloads at the handler boundary. It does not schema-validate per-event payload shapes.
 - Event handlers: `health`, `message`, `contact`, `raw_packet`, `message_acked`, `contact_deleted`, `channel_deleted`, `error`, `success`, `pong` (ignored).
 - For `raw_packet` events, use `observation_id` as event identity; `id` is a storage reference and may repeat.
 

frontend/package.json

@@ -1,7 +1,7 @@
 {
   "name": "remoteterm-meshcore-frontend",
   "private": true,
-  "version": "2.7.9",
+  "version": "3.2.0",
   "type": "module",
   "scripts": {
     "dev": "vite",

frontend/src/App.tsx

@@ -13,15 +13,73 @@ import {
   useConversationActions,
   useConversationNavigation,
   useRealtimeAppState,
+  useBrowserNotifications,
 } from './hooks';
 import { AppShell } from './components/AppShell';
 import type { MessageInputHandle } from './components/MessageInput';
 import { messageContainsMention } from './utils/messageParser';
-import type { Conversation, RawPacket } from './types';
+import { getStateKey } from './utils/conversationState';
+import type { Conversation, Message, RawPacket } from './types';
+
+interface ChannelUnreadMarker {
+  channelId: string;
+  lastReadAt: number | null;
+}
+
+interface UnreadBoundaryBackfillParams {
+  activeConversation: Conversation | null;
+  unreadMarker: ChannelUnreadMarker | null;
+  messages: Message[];
+  messagesLoading: boolean;
+  loadingOlder: boolean;
+  hasOlderMessages: boolean;
+}
+
+export function getUnreadBoundaryBackfillKey({
+  activeConversation,
+  unreadMarker,
+  messages,
+  messagesLoading,
+  loadingOlder,
+  hasOlderMessages,
+}: UnreadBoundaryBackfillParams): string | null {
+  if (activeConversation?.type !== 'channel') return null;
+  if (!unreadMarker || unreadMarker.channelId !== activeConversation.id) return null;
+  if (unreadMarker.lastReadAt === null) return null;
+  if (messagesLoading || loadingOlder || !hasOlderMessages || messages.length === 0) return null;
+
+  const oldestLoadedMessage = messages.reduce(
+    (oldest, msg) => {
+      if (!oldest) return msg;
+      if (msg.received_at < oldest.received_at) return msg;
+      if (msg.received_at === oldest.received_at && msg.id < oldest.id) return msg;
+      return oldest;
+    },
+    null as Message | null
+  );
+
+  if (!oldestLoadedMessage) return null;
+  if (oldestLoadedMessage.received_at <= unreadMarker.lastReadAt) return null;
+
+  return `${activeConversation.id}:${unreadMarker.lastReadAt}:${oldestLoadedMessage.id}`;
+}
 
 export function App() {
+  const quoteSearchOperatorValue = useCallback((value: string) => {
+    return `"${value.replace(/\\/g, '\\\\').replace(/"/g, '\\"')}"`;
+  }, []);
+
   const messageInputRef = useRef<MessageInputHandle>(null);
   const [rawPackets, setRawPackets] = useState<RawPacket[]>([]);
+  const [channelUnreadMarker, setChannelUnreadMarker] = useState<ChannelUnreadMarker | null>(null);
+  const lastUnreadBackfillAttemptRef = useRef<string | null>(null);
+  const {
+    notificationsSupported,
+    notificationsPermission,
+    isConversationNotificationsEnabled,
+    toggleConversationNotifications,
+    notifyIncomingMessage,
+  } = useBrowserNotifications();
   const {
     showNewMessage,
     showSettings,
@@ -61,6 +119,8 @@ export function App() {
     handleSaveConfig,
     handleSetPrivateKey,
     handleReboot,
+    handleDisconnect,
+    handleReconnect,
     handleAdvertise,
     handleHealthRefresh,
   } = useRadioControl();
@@ -142,6 +202,7 @@ export function App() {
     infoPaneContactKey,
     infoPaneFromChannel,
     infoPaneChannelKey,
+    searchPrefillRequest,
     handleOpenContactInfo,
     handleCloseContactInfo,
     handleOpenChannelInfo,
@@ -149,6 +210,7 @@ export function App() {
     handleSelectConversationWithTargetReset,
     handleNavigateToChannel,
     handleNavigateToMessage,
+    handleOpenSearchWithQuery,
   } = useConversationNavigation({
     channels,
     handleSelectConversation,
@@ -176,11 +238,67 @@ export function App() {
     mentions,
     lastMessageTimes,
     incrementUnread,
+    renameConversationState,
     markAllRead,
     trackNewMessage,
     refreshUnreads,
   } = useUnreadCounts(channels, contacts, activeConversation);
 
+  useEffect(() => {
+    if (activeConversation?.type !== 'channel') {
+      setChannelUnreadMarker(null);
+      return;
+    }
+
+    const activeChannelId = activeConversation.id;
+    const activeChannelUnreadCount = unreadCounts[getStateKey('channel', activeChannelId)] ?? 0;
+
+    setChannelUnreadMarker((prev) => {
+      if (prev?.channelId === activeChannelId) {
+        return prev;
+      }
+      if (activeChannelUnreadCount <= 0) {
+        return null;
+      }
+
+      const activeChannel = channels.find((channel) => channel.key === activeChannelId);
+      return {
+        channelId: activeChannelId,
+        lastReadAt: activeChannel?.last_read_at ?? null,
+      };
+    });
+  }, [activeConversation, channels, unreadCounts]);
+
+  useEffect(() => {
+    lastUnreadBackfillAttemptRef.current = null;
+  }, [activeConversation?.id, channelUnreadMarker?.channelId, channelUnreadMarker?.lastReadAt]);
+
+  useEffect(() => {
+    const backfillKey = getUnreadBoundaryBackfillKey({
+      activeConversation,
+      unreadMarker: channelUnreadMarker,
+      messages,
+      messagesLoading,
+      loadingOlder,
+      hasOlderMessages,
+    });
+
+    if (!backfillKey || lastUnreadBackfillAttemptRef.current === backfillKey) {
+      return;
+    }
+
+    lastUnreadBackfillAttemptRef.current = backfillKey;
+    void fetchOlderMessages();
+  }, [
+    activeConversation,
+    channelUnreadMarker,
+    messages,
+    messagesLoading,
+    loadingOlder,
+    hasOlderMessages,
+    fetchOlderMessages,
+  ]);
+
   const wsHandlers = useRealtimeAppState({
     prevHealthRef,
     setHealth,
@@ -198,10 +316,12 @@ export function App() {
     addMessageIfNew,
     trackNewMessage,
     incrementUnread,
+    renameConversationState,
     checkMention,
     pendingDeleteFallbackRef,
     setActiveConversation,
     updateMessageAck,
+    notifyIncomingMessage,
   });
   const {
     handleSendMessage,
@@ -237,7 +357,10 @@ export function App() {
     [fetchUndecryptedCount, setChannels]
   );
 
-  const statusProps = { health, config };
+  const statusProps = {
+    health,
+    config,
+  };
   const sidebarProps = {
     contacts,
     channels,
@@ -258,6 +381,7 @@ export function App() {
     onSortOrderChange: (sortOrder: 'recent' | 'alpha') => {
       void handleSortOrderChange(sortOrder);
     },
+    isConversationNotificationsEnabled,
   };
   const conversationPaneProps = {
     activeConversation,
@@ -271,6 +395,11 @@ export function App() {
     messagesLoading,
     loadingOlder,
     hasOlderMessages,
+    unreadMarkerLastReadAt:
+      activeConversation?.type === 'channel' &&
+      channelUnreadMarker?.channelId === activeConversation.id
+        ? channelUnreadMarker.lastReadAt
+        : undefined,
     targetMessageId,
     hasNewerMessages,
     loadingNewer,
@@ -289,11 +418,28 @@ export function App() {
     onLoadNewer: fetchNewerMessages,
     onJumpToBottom: jumpToBottom,
     onSendMessage: handleSendMessage,
+    onDismissUnreadMarker: () => setChannelUnreadMarker(null),
+    notificationsSupported,
+    notificationsPermission,
+    notificationsEnabled:
+      activeConversation?.type === 'contact' || activeConversation?.type === 'channel'
+        ? isConversationNotificationsEnabled(activeConversation.type, activeConversation.id)
+        : false,
+    onToggleNotifications: () => {
+      if (activeConversation?.type === 'contact' || activeConversation?.type === 'channel') {
+        void toggleConversationNotifications(
+          activeConversation.type,
+          activeConversation.id,
+          activeConversation.name
+        );
+      }
+    },
   };
   const searchProps = {
     contacts,
     channels,
     onNavigateToMessage: handleNavigateToMessage,
+    prefillRequest: searchPrefillRequest,
   };
   const settingsProps = {
     config,
@@ -303,6 +449,8 @@ export function App() {
     onSaveAppSettings: handleSaveAppSettings,
     onSetPrivateKey: handleSetPrivateKey,
     onReboot: handleReboot,
+    onDisconnect: handleDisconnect,
+    onReconnect: handleReconnect,
     onAdvertise: handleAdvertise,
     onHealthRefresh: handleHealthRefresh,
     onRefreshAppSettings: fetchAppSettings,
@@ -333,6 +481,12 @@ export function App() {
     favorites,
     onToggleFavorite: handleToggleFavorite,
     onNavigateToChannel: handleNavigateToChannel,
+    onSearchMessagesByKey: (publicKey: string) => {
+      handleOpenSearchWithQuery(`user:${publicKey}`);
+    },
+    onSearchMessagesByName: (name: string) => {
+      handleOpenSearchWithQuery(`user:${quoteSearchOperatorValue(name)}`);
+    },
     onToggleBlockedKey: handleBlockKey,
     onToggleBlockedName: handleBlockName,
     blockedKeys: appSettings?.blocked_keys ?? [],

frontend/src/api.ts

@@ -5,6 +5,7 @@ import type {
   ChannelDetail,
   CommandResponse,
   Contact,
+  ContactAnalytics,
   ContactAdvertPath,
   ContactAdvertPathSummary,
   ContactDetail,
@@ -16,6 +17,7 @@ import type {
   MessagesAroundResponse,
   MigratePreferencesRequest,
   MigratePreferencesResponse,
+  NameOnlyContactDetail,
   RadioConfig,
   RadioConfigUpdate,
   RepeaterAclResponse,
@@ -99,6 +101,13 @@ export const api = {
     fetchJson<{ status: string; message: string }>('/radio/reboot', {
       method: 'POST',
     }),
+  disconnectRadio: () =>
+    fetchJson<{ status: string; message: string; connected: boolean; paused: boolean }>(
+      '/radio/disconnect',
+      {
+        method: 'POST',
+      }
+    ),
   reconnectRadio: () =>
     fetchJson<{ status: string; message: string; connected: boolean }>('/radio/reconnect', {
       method: 'POST',
@@ -113,8 +122,16 @@ export const api = {
     ),
   getContactAdvertPaths: (publicKey: string, limit = 10) =>
     fetchJson<ContactAdvertPath[]>(`/contacts/${publicKey}/advert-paths?limit=${limit}`),
+  getContactAnalytics: (params: { publicKey?: string; name?: string }) => {
+    const searchParams = new URLSearchParams();
+    if (params.publicKey) searchParams.set('public_key', params.publicKey);
+    if (params.name) searchParams.set('name', params.name);
+    return fetchJson<ContactAnalytics>(`/contacts/analytics?${searchParams.toString()}`);
+  },
   getContactDetail: (publicKey: string) =>
     fetchJson<ContactDetail>(`/contacts/${publicKey}/detail`),
+  getNameOnlyContactDetail: (name: string) =>
+    fetchJson<NameOnlyContactDetail>(`/contacts/name-detail?name=${encodeURIComponent(name)}`),
   deleteContact: (publicKey: string) =>
     fetchJson<{ status: string }>(`/contacts/${publicKey}`, {
       method: 'DELETE',

frontend/src/components/AppShell.tsx

@@ -9,6 +9,7 @@ import { ChannelInfoPane } from './ChannelInfoPane';
 import { Toaster } from './ui/sonner';
 import { Sheet, SheetContent, SheetDescription, SheetHeader, SheetTitle } from './ui/sheet';
 import {
+  SETTINGS_SECTION_ICONS,
   SETTINGS_SECTION_LABELS,
   SETTINGS_SECTION_ORDER,
   type SettingsSection,
@@ -115,20 +116,26 @@ export function AppShell({
         </button>
       </div>
       <div className="flex-1 min-h-0 overflow-y-auto py-1 [contain:layout_paint]">
-        {SETTINGS_SECTION_ORDER.map((section) => (
-          <button
-            key={section}
-            type="button"
-            className={cn(
-              'w-full px-3 py-2 text-left text-[13px] border-l-2 border-transparent hover:bg-accent transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-inset',
-              settingsSection === section && 'bg-accent border-l-primary'
-            )}
-            aria-current={settingsSection === section ? 'true' : undefined}
-            onClick={() => onSettingsSectionChange(section)}
-          >
-            {SETTINGS_SECTION_LABELS[section]}
-          </button>
-        ))}
+        {SETTINGS_SECTION_ORDER.map((section) => {
+          const Icon = SETTINGS_SECTION_ICONS[section];
+          return (
+            <button
+              key={section}
+              type="button"
+              className={cn(
+                'w-full px-3 py-2 text-left text-[13px] border-l-2 border-transparent hover:bg-accent transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-inset',
+                settingsSection === section && 'bg-accent border-l-primary'
+              )}
+              aria-current={settingsSection === section ? 'true' : undefined}
+              onClick={() => onSettingsSectionChange(section)}
+            >
+              <span className="flex items-center gap-2">
+                <Icon className="h-4 w-4 text-muted-foreground" aria-hidden="true" />
+                <span>{SETTINGS_SECTION_LABELS[section]}</span>
+              </span>
+            </button>
+          );
+        })}
       </div>
     </nav>
   );
@@ -171,7 +178,14 @@ export function AppShell({
         <div className="hidden md:block min-h-0 overflow-hidden">{activeSidebarContent}</div>
 
         <Sheet open={sidebarOpen} onOpenChange={onSidebarOpenChange}>
-          <SheetContent side="left" className="w-[280px] p-0 flex flex-col" hideCloseButton>
+          <SheetContent
+            side="left"
+            className="w-[280px] p-0 flex flex-col"
+            hideCloseButton
+            onOpenAutoFocus={(event) => {
+              event.preventDefault();
+            }}
+          >
             <SheetHeader className="sr-only">
               <SheetTitle>Navigation</SheetTitle>
               <SheetDescription>Sidebar navigation</SheetDescription>
@@ -213,12 +227,6 @@ export function AppShell({
 
           {showSettings && (
             <div className="flex-1 flex flex-col min-h-0">
-              <h2 className="flex justify-between items-center px-4 py-2.5 border-b border-border font-semibold text-base">
-                <span>Radio & Settings</span>
-                <span className="text-sm text-muted-foreground hidden md:inline">
-                  {SETTINGS_SECTION_LABELS[settingsSection]}
-                </span>
-              </h2>
               <div className="flex-1 min-h-0 overflow-hidden">
                 <Suspense
                   fallback={

frontend/src/components/ChannelInfoPane.tsx

@@ -1,4 +1,5 @@
 import { useEffect, useState } from 'react';
+import { Star } from 'lucide-react';
 import { api } from '../api';
 import { formatTime } from '../utils/messageParser';
 import { isFavorite } from '../utils/favorites';
@@ -125,12 +126,12 @@ export function ChannelInfoPane({
               >
                 {isFavorite(favorites, 'channel', channel.key) ? (
                   <>
-                    <span className="text-favorite text-lg">&#9733;</span>
+                    <Star className="h-4.5 w-4.5 fill-current text-favorite" aria-hidden="true" />
                     <span>Remove from favorites</span>
                   </>
                 ) : (
                   <>
-                    <span className="text-muted-foreground text-lg">&#9734;</span>
+                    <Star className="h-4.5 w-4.5 text-muted-foreground" aria-hidden="true" />
                     <span>Add to favorites</span>
                   </>
                 )}

frontend/src/components/ChatHeader.tsx

@@ -1,8 +1,11 @@
-import { useEffect, useState } from 'react';
+import { useEffect, useRef, useState } from 'react';
+import { Bell, Globe2, Info, Star, Trash2 } from 'lucide-react';
 import { toast } from './ui/sonner';
+import { DirectTraceIcon } from './DirectTraceIcon';
 import { isFavorite } from '../utils/favorites';
 import { handleKeyboardActivate } from '../utils/a11y';
 import { stripRegionScopePrefix } from '../utils/regionScope';
+import { isPrefixOnlyContact } from '../utils/pubkey';
 import { ContactAvatar } from './ContactAvatar';
 import { ContactStatusInfo } from './ContactStatusInfo';
 import type { Channel, Contact, Conversation, Favorite, RadioConfig } from '../types';
@@ -13,7 +16,11 @@ interface ChatHeaderProps {
   channels: Channel[];
   config: RadioConfig | null;
   favorites: Favorite[];
+  notificationsSupported: boolean;
+  notificationsEnabled: boolean;
+  notificationsPermission: NotificationPermission | 'unsupported';
   onTrace: () => void;
+  onToggleNotifications: () => void;
   onToggleFavorite: (type: 'channel' | 'contact', id: string) => void;
   onSetChannelFloodScopeOverride?: (key: string, floodScopeOverride: string) => void;
   onDeleteChannel: (key: string) => void;
@@ -28,7 +35,11 @@ export function ChatHeader({
   channels,
   config,
   favorites,
+  notificationsSupported,
+  notificationsEnabled,
+  notificationsPermission,
   onTrace,
+  onToggleNotifications,
   onToggleFavorite,
   onSetChannelFloodScopeOverride,
   onDeleteChannel,
@@ -37,6 +48,8 @@ export function ChatHeader({
   onOpenChannelInfo,
 }: ChatHeaderProps) {
   const [showKey, setShowKey] = useState(false);
+  const [contactStatusInline, setContactStatusInline] = useState(true);
+  const keyTextRef = useRef<HTMLSpanElement | null>(null);
 
   useEffect(() => {
     setShowKey(false);
@@ -46,31 +59,97 @@ export function ChatHeader({
     conversation.type === 'channel'
       ? channels.find((channel) => channel.key === conversation.id)
       : undefined;
+  const activeFloodScopeOverride =
+    conversation.type === 'channel' ? (activeChannel?.flood_scope_override ?? null) : null;
+  const activeFloodScopeLabel = activeFloodScopeOverride
+    ? stripRegionScopePrefix(activeFloodScopeOverride)
+    : null;
+  const activeFloodScopeDisplay = activeFloodScopeOverride ? activeFloodScopeOverride : null;
   const isPrivateChannel = conversation.type === 'channel' && !activeChannel?.is_hashtag;
+  const activeContact =
+    conversation.type === 'contact'
+      ? contacts.find((contact) => contact.public_key === conversation.id)
+      : null;
+  const activeContactIsPrefixOnly = activeContact
+    ? isPrefixOnlyContact(activeContact.public_key)
+    : false;
 
   const titleClickable =
     (conversation.type === 'contact' && onOpenContactInfo) ||
     (conversation.type === 'channel' && onOpenChannelInfo);
+  const favoriteTitle =
+    conversation.type === 'contact'
+      ? isFavorite(favorites, 'contact', conversation.id)
+        ? 'Remove from favorites. Favorite contacts stay loaded on the radio for ACK support.'
+        : 'Add to favorites. Favorite contacts stay loaded on the radio for ACK support.'
+      : isFavorite(favorites, conversation.type as 'channel' | 'contact', conversation.id)
+        ? 'Remove from favorites'
+        : 'Add to favorites';
 
   const handleEditFloodScopeOverride = () => {
     if (conversation.type !== 'channel' || !onSetChannelFloodScopeOverride) return;
     const nextValue = window.prompt(
       'Enter regional override flood scope for this room. This temporarily changes the radio flood scope before send and restores it after, which significantly slows room sends. Leave blank to clear.',
-      stripRegionScopePrefix(activeChannel?.flood_scope_override)
+      activeFloodScopeLabel ?? ''
     );
     if (nextValue === null) return;
     onSetChannelFloodScopeOverride(conversation.id, nextValue);
   };
 
+  const handleOpenConversationInfo = () => {
+    if (conversation.type === 'contact' && onOpenContactInfo) {
+      onOpenContactInfo(conversation.id);
+      return;
+    }
+    if (conversation.type === 'channel' && onOpenChannelInfo) {
+      onOpenChannelInfo(conversation.id);
+    }
+  };
+
+  useEffect(() => {
+    if (conversation.type !== 'contact') {
+      setContactStatusInline(true);
+      return;
+    }
+
+    const measure = () => {
+      const keyElement = keyTextRef.current;
+      if (!keyElement) return;
+      const isTruncated = keyElement.scrollWidth > keyElement.clientWidth + 1;
+      setContactStatusInline(!isTruncated);
+    };
+
+    measure();
+
+    const onResize = () => {
+      window.requestAnimationFrame(measure);
+    };
+
+    window.addEventListener('resize', onResize);
+
+    let observer: ResizeObserver | null = null;
+    if (typeof ResizeObserver !== 'undefined') {
+      observer = new ResizeObserver(() => {
+        window.requestAnimationFrame(measure);
+      });
+      if (keyTextRef.current?.parentElement) {
+        observer.observe(keyTextRef.current.parentElement);
+      }
+    }
+
+    return () => {
+      window.removeEventListener('resize', onResize);
+      observer?.disconnect();
+    };
+  }, [conversation.id, conversation.type, showKey]);
+
   return (
-    <header className="flex justify-between items-center px-4 py-2.5 border-b border-border gap-2">
-      <span className="flex flex-wrap items-baseline gap-x-2 min-w-0 flex-1">
+    <header className="conversation-header flex justify-between items-start px-4 py-2.5 border-b border-border gap-2">
+      <span className="flex min-w-0 flex-1 items-start gap-2">
         {conversation.type === 'contact' && onOpenContactInfo && (
-          <span
-            className="flex-shrink-0 cursor-pointer"
-            role="button"
-            tabIndex={0}
-            onKeyDown={handleKeyboardActivate}
+          <button
+            type="button"
+            className="avatar-action-button flex-shrink-0 cursor-pointer rounded-full border-none bg-transparent p-0 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
             onClick={() => onOpenContactInfo(conversation.id)}
             title="View contact info"
             aria-label={`View info for ${conversation.name}`}
@@ -82,113 +161,186 @@ export function ChatHeader({
               contactType={contacts.find((c) => c.public_key === conversation.id)?.type}
               clickable
             />
-          </span>
-        )}
-        <h2
-          className={`flex-shrink-0 font-semibold text-base ${titleClickable ? 'cursor-pointer hover:text-primary transition-colors' : ''}`}
-          role={titleClickable ? 'button' : undefined}
-          tabIndex={titleClickable ? 0 : undefined}
-          aria-label={titleClickable ? `View info for ${conversation.name}` : undefined}
-          onKeyDown={titleClickable ? handleKeyboardActivate : undefined}
-          onClick={
-            titleClickable
-              ? () => {
-                  if (conversation.type === 'contact' && onOpenContactInfo) {
-                    onOpenContactInfo(conversation.id);
-                  } else if (conversation.type === 'channel' && onOpenChannelInfo) {
-                    onOpenChannelInfo(conversation.id);
-                  }
-                }
-              : undefined
-          }
-        >
-          {conversation.type === 'channel' &&
-          !conversation.name.startsWith('#') &&
-          activeChannel?.is_hashtag
-            ? '#'
-            : ''}
-          {conversation.name}
-        </h2>
-        {isPrivateChannel && !showKey ? (
-          <button
-            className="font-normal text-[11px] text-muted-foreground font-mono hover:text-primary transition-colors"
-            onClick={(e) => {
-              e.stopPropagation();
-              setShowKey(true);
-            }}
-            title="Reveal channel key"
-          >
-            Show Key
           </button>
-        ) : (
-          <span
-            className="font-normal text-[11px] text-muted-foreground font-mono truncate cursor-pointer hover:text-primary transition-colors"
-            role="button"
-            tabIndex={0}
-            onKeyDown={handleKeyboardActivate}
-            onClick={(e) => {
-              e.stopPropagation();
-              navigator.clipboard.writeText(conversation.id);
-              toast.success(
-                conversation.type === 'channel' ? 'Room key copied!' : 'Contact key copied!'
-              );
-            }}
-            title="Click to copy"
-            aria-label={conversation.type === 'channel' ? 'Copy channel key' : 'Copy contact key'}
-          >
-            {conversation.type === 'channel' ? conversation.id.toLowerCase() : conversation.id}
-          </span>
         )}
-        {conversation.type === 'channel' && activeChannel?.flood_scope_override && (
-          <span className="basis-full sm:basis-auto text-[11px] text-amber-700 dark:text-amber-300 truncate">
-            Regional override active: {stripRegionScopePrefix(activeChannel.flood_scope_override)}
+        <span className="flex min-w-0 flex-1 flex-col">
+          <span className="flex min-w-0 flex-wrap items-baseline gap-x-2 gap-y-0.5">
+            <span className="flex min-w-0 flex-1 items-baseline gap-2 whitespace-nowrap">
+              <h2 className="min-w-0 shrink font-semibold text-base">
+                {titleClickable ? (
+                  <button
+                    type="button"
+                    className="flex min-w-0 shrink items-center gap-1.5 text-left hover:text-primary transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring rounded-sm"
+                    aria-label={`View info for ${conversation.name}`}
+                    onClick={handleOpenConversationInfo}
+                  >
+                    <span className="truncate">
+                      {conversation.type === 'channel' &&
+                      !conversation.name.startsWith('#') &&
+                      activeChannel?.is_hashtag
+                        ? '#'
+                        : ''}
+                      {conversation.name}
+                    </span>
+                    <Info
+                      className="h-3.5 w-3.5 flex-shrink-0 text-muted-foreground/80"
+                      aria-hidden="true"
+                    />
+                  </button>
+                ) : (
+                  <span className="truncate">
+                    {conversation.type === 'channel' &&
+                    !conversation.name.startsWith('#') &&
+                    activeChannel?.is_hashtag
+                      ? '#'
+                      : ''}
+                    {conversation.name}
+                  </span>
+                )}
+              </h2>
+              {isPrivateChannel && !showKey ? (
+                <button
+                  className="min-w-0 flex-shrink text-[11px] font-mono text-muted-foreground transition-colors hover:text-primary"
+                  onClick={(e) => {
+                    e.stopPropagation();
+                    setShowKey(true);
+                  }}
+                  title="Reveal channel key"
+                >
+                  Show Key
+                </button>
+              ) : (
+                <span
+                  ref={keyTextRef}
+                  className="min-w-0 flex-1 truncate font-mono text-[11px] text-muted-foreground transition-colors hover:text-primary"
+                  role="button"
+                  tabIndex={0}
+                  onKeyDown={handleKeyboardActivate}
+                  onClick={(e) => {
+                    e.stopPropagation();
+                    navigator.clipboard.writeText(conversation.id);
+                    toast.success(
+                      conversation.type === 'channel' ? 'Room key copied!' : 'Contact key copied!'
+                    );
+                  }}
+                  title="Click to copy"
+                  aria-label={
+                    conversation.type === 'channel' ? 'Copy channel key' : 'Copy contact key'
+                  }
+                >
+                  {conversation.type === 'channel'
+                    ? conversation.id.toLowerCase()
+                    : conversation.id}
+                </span>
+              )}
+            </span>
+            {conversation.type === 'contact' && activeContact && contactStatusInline && (
+              <span className="min-w-0 flex-none text-[11px] text-muted-foreground">
+                <ContactStatusInfo
+                  contact={activeContact}
+                  ourLat={config?.lat ?? null}
+                  ourLon={config?.lon ?? null}
+                />
+              </span>
+            )}
           </span>
-        )}
-        {conversation.type === 'contact' &&
-          (() => {
-            const contact = contacts.find((c) => c.public_key === conversation.id);
-            if (!contact) return null;
-            return (
+          {conversation.type === 'contact' && activeContact && !contactStatusInline && (
+            <span className="mt-0.5 min-w-0 text-[11px] text-muted-foreground">
               <ContactStatusInfo
-                contact={contact}
+                contact={activeContact}
                 ourLat={config?.lat ?? null}
                 ourLon={config?.lon ?? null}
               />
-            );
-          })()}
+            </span>
+          )}
+          {conversation.type === 'channel' && activeFloodScopeDisplay && (
+            <button
+              className="mt-0.5 flex items-center gap-1 text-left sm:hidden"
+              onClick={handleEditFloodScopeOverride}
+              title="Set regional override"
+              aria-label="Set regional override"
+            >
+              <Globe2
+                className="h-3.5 w-3.5 flex-shrink-0 text-[hsl(var(--region-override))]"
+                aria-hidden="true"
+              />
+              <span className="min-w-0 truncate text-[11px] font-medium text-[hsl(var(--region-override))]">
+                {activeFloodScopeDisplay}
+              </span>
+            </button>
+          )}
+        </span>
       </span>
-      <div className="flex items-center gap-0.5 flex-shrink-0">
+      <div className="flex items-center justify-end gap-0.5 flex-shrink-0">
         {conversation.type === 'contact' && (
           <button
-            className="p-1.5 rounded hover:bg-accent text-lg leading-none transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
+            className="p-1 rounded hover:bg-accent text-lg leading-none transition-colors disabled:cursor-not-allowed disabled:opacity-50 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
             onClick={onTrace}
-            title="Direct Trace"
+            title={
+              activeContactIsPrefixOnly
+                ? 'Direct Trace unavailable until the full contact key is known'
+                : 'Direct Trace'
+            }
             aria-label="Direct Trace"
+            disabled={activeContactIsPrefixOnly}
           >
-            <span aria-hidden="true">&#x1F6CE;</span>
+            <DirectTraceIcon className="h-4 w-4 text-muted-foreground" />
+          </button>
+        )}
+        {notificationsSupported && (
+          <button
+            className="flex items-center gap-1 rounded px-1 py-1 hover:bg-accent text-lg leading-none transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
+            onClick={onToggleNotifications}
+            title={
+              notificationsEnabled
+                ? 'Disable desktop notifications for this conversation'
+                : notificationsPermission === 'denied'
+                  ? 'Notifications blocked by the browser'
+                  : 'Enable desktop notifications for this conversation'
+            }
+            aria-label={
+              notificationsEnabled
+                ? 'Disable notifications for this conversation'
+                : 'Enable notifications for this conversation'
+            }
+          >
+            <Bell
+              className={`h-4 w-4 ${notificationsEnabled ? 'text-status-connected' : 'text-muted-foreground'}`}
+              fill={notificationsEnabled ? 'currentColor' : 'none'}
+              aria-hidden="true"
+            />
+            {notificationsEnabled && (
+              <span className="hidden md:inline text-[11px] font-medium text-status-connected">
+                Notifications On
+              </span>
+            )}
           </button>
         )}
         {conversation.type === 'channel' && onSetChannelFloodScopeOverride && (
           <button
-            className="p-1.5 rounded hover:bg-accent text-lg leading-none transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
+            className="flex shrink-0 items-center gap-1 rounded px-1 py-1 text-lg leading-none transition-colors hover:bg-accent focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
             onClick={handleEditFloodScopeOverride}
             title="Set regional override"
             aria-label="Set regional override"
           >
-            <span aria-hidden="true">&#127758;</span>
+            <Globe2
+              className={`h-4 w-4 ${activeFloodScopeLabel ? 'text-[hsl(var(--region-override))]' : 'text-muted-foreground'}`}
+              aria-hidden="true"
+            />
+            {activeFloodScopeDisplay && (
+              <span className="hidden text-[11px] font-medium text-[hsl(var(--region-override))] sm:inline">
+                {activeFloodScopeDisplay}
+              </span>
+            )}
           </button>
         )}
         {(conversation.type === 'channel' || conversation.type === 'contact') && (
           <button
-            className="p-1.5 rounded hover:bg-accent text-lg leading-none transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
+            className="p-1 rounded hover:bg-accent text-lg leading-none transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
             onClick={() =>
               onToggleFavorite(conversation.type as 'channel' | 'contact', conversation.id)
             }
-            title={
-              isFavorite(favorites, conversation.type as 'channel' | 'contact', conversation.id)
-                ? 'Remove from favorites'
-                : 'Add to favorites'
-            }
+            title={favoriteTitle}
             aria-label={
               isFavorite(favorites, conversation.type as 'channel' | 'contact', conversation.id)
                 ? 'Remove from favorites'
@@ -196,15 +348,15 @@ export function ChatHeader({
             }
           >
             {isFavorite(favorites, conversation.type as 'channel' | 'contact', conversation.id) ? (
-              <span className="text-favorite">&#9733;</span>
+              <Star className="h-4 w-4 fill-current text-favorite" aria-hidden="true" />
             ) : (
-              <span className="text-muted-foreground">&#9734;</span>
+              <Star className="h-4 w-4 text-muted-foreground" aria-hidden="true" />
             )}
           </button>
         )}
         {!(conversation.type === 'channel' && conversation.name === 'Public') && (
           <button
-            className="p-1.5 rounded hover:bg-destructive/10 text-muted-foreground hover:text-destructive text-lg leading-none transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
+            className="p-1 rounded hover:bg-destructive/10 text-muted-foreground hover:text-destructive text-lg leading-none transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
             onClick={() => {
               if (conversation.type === 'channel') {
                 onDeleteChannel(conversation.id);
@@ -215,7 +367,7 @@ export function ChatHeader({
             title="Delete"
             aria-label="Delete"
           >
-            <span aria-hidden="true">&#128465;</span>
+            <Trash2 className="h-4 w-4" aria-hidden="true" />
           </button>
         )}
       </div>

frontend/src/components/ContactInfoPane.tsx

@@ -1,6 +1,12 @@
 import { type ReactNode, useEffect, useState } from 'react';
+import { Ban, Search, Star } from 'lucide-react';
 import { api } from '../api';
 import { formatTime } from '../utils/messageParser';
+import {
+  getContactDisplayName,
+  isPrefixOnlyContact,
+  isUnknownFullKeyContact,
+} from '../utils/pubkey';
 import {
   isValidLocation,
   calculateDistance,
@@ -16,7 +22,15 @@ import { handleKeyboardActivate } from '../utils/a11y';
 import { ContactAvatar } from './ContactAvatar';
 import { Sheet, SheetContent, SheetDescription, SheetHeader, SheetTitle } from './ui/sheet';
 import { toast } from './ui/sonner';
-import type { Contact, ContactDetail, Favorite, RadioConfig } from '../types';
+import type {
+  Contact,
+  ContactActiveRoom,
+  ContactAnalytics,
+  ContactAnalyticsHourlyBucket,
+  ContactAnalyticsWeeklyBucket,
+  Favorite,
+  RadioConfig,
+} from '../types';
 
 const CONTACT_TYPE_LABELS: Record<number, string> = {
   0: 'Unknown',
@@ -42,6 +56,8 @@ interface ContactInfoPaneProps {
   favorites: Favorite[];
   onToggleFavorite: (type: 'channel' | 'contact', id: string) => void;
   onNavigateToChannel?: (channelKey: string) => void;
+  onSearchMessagesByKey?: (publicKey: string) => void;
+  onSearchMessagesByName?: (name: string) => void;
   blockedKeys?: string[];
   blockedNames?: string[];
   onToggleBlockedKey?: (key: string) => void;
@@ -57,6 +73,8 @@ export function ContactInfoPane({
   favorites,
   onToggleFavorite,
   onNavigateToChannel,
+  onSearchMessagesByKey,
+  onSearchMessagesByName,
   blockedKeys = [],
   blockedNames = [],
   onToggleBlockedKey,
@@ -65,7 +83,7 @@ export function ContactInfoPane({
   const isNameOnly = contactKey?.startsWith('name:') ?? false;
   const nameOnlyValue = isNameOnly && contactKey ? contactKey.slice(5) : null;
 
-  const [detail, setDetail] = useState<ContactDetail | null>(null);
+  const [analytics, setAnalytics] = useState<ContactAnalytics | null>(null);
   const [loading, setLoading] = useState(false);
 
   // Get live contact data from contacts array (real-time via WS)
@@ -73,21 +91,26 @@ export function ContactInfoPane({
     contactKey && !isNameOnly ? (contacts.find((c) => c.public_key === contactKey) ?? null) : null;
 
   useEffect(() => {
-    if (!contactKey || isNameOnly) {
-      setDetail(null);
+    if (!contactKey) {
+      setAnalytics(null);
       return;
     }
 
     let cancelled = false;
+    setAnalytics(null);
     setLoading(true);
-    api
-      .getContactDetail(contactKey)
+    const request =
+      isNameOnly && nameOnlyValue
+        ? api.getContactAnalytics({ name: nameOnlyValue })
+        : api.getContactAnalytics({ publicKey: contactKey });
+
+    request
       .then((data) => {
-        if (!cancelled) setDetail(data);
+        if (!cancelled) setAnalytics(data);
       })
       .catch((err) => {
         if (!cancelled) {
-          console.error('Failed to fetch contact detail:', err);
+          console.error('Failed to fetch contact analytics:', err);
           toast.error('Failed to load contact info');
         }
       })
@@ -97,10 +120,10 @@ export function ContactInfoPane({
     return () => {
       cancelled = true;
     };
-  }, [contactKey, isNameOnly]);
+  }, [contactKey, isNameOnly, nameOnlyValue]);
 
-  // Use live contact data where available, fall back to detail snapshot
-  const contact = liveContact ?? detail?.contact ?? null;
+  // Use live contact data where available, fall back to analytics snapshot
+  const contact = liveContact ?? analytics?.contact ?? null;
 
   const distFromUs =
     contact &&
@@ -115,6 +138,11 @@ export function ContactInfoPane({
       ? formatPathHashMode(effectiveRoute.pathHashMode)
       : null;
   const learnedRouteLabel = contact ? formatRouteLabel(contact.last_path_len, true) : null;
+  const isPrefixOnlyResolvedContact = contact ? isPrefixOnlyContact(contact.public_key) : false;
+  const isUnknownFullKeyResolvedContact =
+    contact !== null &&
+    !isPrefixOnlyResolvedContact &&
+    isUnknownFullKeyContact(contact.public_key, contact.last_advert);
 
   return (
     <Sheet open={contactKey !== null} onOpenChange={(open) => !open && onClose()}>
@@ -129,9 +157,15 @@ export function ContactInfoPane({
             {/* Name-only header */}
             <div className="px-5 pt-5 pb-4 border-b border-border">
               <div className="flex items-start gap-4">
-                <ContactAvatar name={nameOnlyValue} publicKey={`name:${nameOnlyValue}`} size={56} />
+                <ContactAvatar
+                  name={analytics?.name ?? nameOnlyValue}
+                  publicKey={`name:${nameOnlyValue}`}
+                  size={56}
+                />
                 <div className="flex-1 min-w-0">
-                  <h2 className="text-lg font-semibold truncate">{nameOnlyValue}</h2>
+                  <h2 className="text-lg font-semibold truncate">
+                    {analytics?.name ?? nameOnlyValue}
+                  </h2>
                   <p className="text-xs text-muted-foreground mt-1">
                     We have not heard an advertisement associated with this name, so we cannot
                     identify their key.
@@ -140,8 +174,6 @@ export function ContactInfoPane({
               </div>
             </div>
 
-            {fromChannel && <ChannelAttributionWarning />}
-
             {/* Block by name toggle */}
             {onToggleBlockedName && (
               <div className="px-5 py-3 border-b border-border">
@@ -152,20 +184,65 @@ export function ContactInfoPane({
                 >
                   {blockedNames.includes(nameOnlyValue) ? (
                     <>
-                      <span className="text-destructive text-lg">&#x2718;</span>
+                      <Ban className="h-4.5 w-4.5 text-destructive" aria-hidden="true" />
                       <span>Unblock this name</span>
                     </>
                   ) : (
                     <>
-                      <span className="text-muted-foreground text-lg">&#x2718;</span>
+                      <Ban className="h-4.5 w-4.5 text-muted-foreground" aria-hidden="true" />
                       <span>Block this name</span>
                     </>
                   )}
                 </button>
               </div>
             )}
+
+            {onSearchMessagesByName && (
+              <div className="px-5 py-3 border-b border-border">
+                <button
+                  type="button"
+                  className="text-sm flex items-center gap-2 hover:text-primary transition-colors"
+                  onClick={() => onSearchMessagesByName(nameOnlyValue)}
+                >
+                  <Search className="h-4.5 w-4.5 text-muted-foreground" aria-hidden="true" />
+                  <span>Search user&apos;s messages by name</span>
+                </button>
+              </div>
+            )}
+
+            {fromChannel && (
+              <ChannelAttributionWarning
+                nameOnly
+                includeAliasNote={false}
+                className="border-b border-border mx-0 my-0 rounded-none px-5 py-3"
+              />
+            )}
+
+            <MessageStatsSection
+              dmMessageCount={0}
+              channelMessageCount={analytics?.channel_message_count ?? 0}
+              showDirectMessages={false}
+            />
+
+            {analytics?.name_first_seen_at && (
+              <div className="px-5 py-3 border-b border-border">
+                <div className="grid grid-cols-2 gap-x-4 gap-y-1 text-sm">
+                  <InfoItem
+                    label="Name First In Use"
+                    value={formatTime(analytics.name_first_seen_at)}
+                  />
+                </div>
+              </div>
+            )}
+
+            <ActivityChartsSection analytics={analytics} />
+
+            <MostActiveRoomsSection
+              rooms={analytics?.most_active_rooms ?? []}
+              onNavigateToChannel={onNavigateToChannel}
+            />
           </div>
-        ) : loading && !detail ? (
+        ) : loading && !analytics && !contact ? (
           <div className="flex-1 flex items-center justify-center text-muted-foreground">
             Loading...
           </div>
@@ -182,7 +259,7 @@ export function ContactInfoPane({
                 />
                 <div className="flex-1 min-w-0">
                   <h2 className="text-lg font-semibold truncate">
-                    {contact.name || contact.public_key.slice(0, 12)}
+                    {getContactDisplayName(contact.name, contact.public_key, contact.last_advert)}
                   </h2>
                   <span
                     className="text-xs font-mono text-muted-foreground cursor-pointer hover:text-primary transition-colors block truncate"
@@ -211,7 +288,21 @@ export function ContactInfoPane({
               </div>
             </div>
 
-            {fromChannel && <ChannelAttributionWarning />}
+            {isPrefixOnlyResolvedContact && (
+              <div className="mx-5 mt-4 rounded-md border border-destructive/30 bg-destructive/10 px-3 py-2 text-sm text-destructive">
+                We only know a key prefix for this sender, which can happen when a fallback DM
+                arrives before we hear an advertisement. This contact stays read-only until the full
+                key resolves from a later advertisement.
+              </div>
+            )}
+
+            {isUnknownFullKeyResolvedContact && (
+              <div className="mx-5 mt-4 rounded-md border border-warning/30 bg-warning/10 px-3 py-2 text-sm text-warning">
+                We know this sender&apos;s full key, but we have not yet heard an advertisement that
+                fills in their identity details. Those details will appear automatically when an
+                advertisement arrives.
+              </div>
+            )}
 
             {/* Info grid */}
             <div className="px-5 py-3 border-b border-border">
@@ -279,15 +370,16 @@ export function ContactInfoPane({
                 type="button"
                 className="text-sm flex items-center gap-2 hover:text-primary transition-colors"
                 onClick={() => onToggleFavorite('contact', contact.public_key)}
+                title="Favorite contacts stay loaded on the radio for ACK support"
               >
                 {isFavorite(favorites, 'contact', contact.public_key) ? (
                   <>
-                    <span className="text-favorite text-lg">&#9733;</span>
+                    <Star className="h-4.5 w-4.5 fill-current text-favorite" aria-hidden="true" />
                     <span>Remove from favorites</span>
                   </>
                 ) : (
                   <>
-                    <span className="text-muted-foreground text-lg">&#9734;</span>
+                    <Star className="h-4.5 w-4.5 text-muted-foreground" aria-hidden="true" />
                     <span>Add to favorites</span>
                   </>
                 )}
@@ -305,12 +397,12 @@ export function ContactInfoPane({
                   >
                     {blockedKeys.includes(contact.public_key.toLowerCase()) ? (
                       <>
-                        <span className="text-destructive text-lg">&#x2718;</span>
+                        <Ban className="h-4.5 w-4.5 text-destructive" aria-hidden="true" />
                         <span>Unblock this key</span>
                       </>
                     ) : (
                       <>
-                        <span className="text-muted-foreground text-lg">&#x2718;</span>
+                        <Ban className="h-4.5 w-4.5 text-muted-foreground" aria-hidden="true" />
                         <span>Block this key</span>
                       </>
                     )}
@@ -324,12 +416,12 @@ export function ContactInfoPane({
                   >
                     {blockedNames.includes(contact.name) ? (
                       <>
-                        <span className="text-destructive text-lg">&#x2718;</span>
+                        <Ban className="h-4.5 w-4.5 text-destructive" aria-hidden="true" />
                         <span>Unblock name &ldquo;{contact.name}&rdquo;</span>
                       </>
                     ) : (
                       <>
-                        <span className="text-muted-foreground text-lg">&#x2718;</span>
+                        <Ban className="h-4.5 w-4.5 text-muted-foreground" aria-hidden="true" />
                         <span>Block name &ldquo;{contact.name}&rdquo;</span>
                       </>
                     )}
@@ -338,85 +430,25 @@ export function ContactInfoPane({
               </div>
             )}
 
-            {/* AKA (Name History) - only show if more than one name */}
-            {detail && detail.name_history.length > 1 && (
+            {onSearchMessagesByKey && (
               <div className="px-5 py-3 border-b border-border">
-                <SectionLabel>Also Known As</SectionLabel>
-                <div className="space-y-1">
-                  {detail.name_history.map((h) => (
-                    <div key={h.name} className="flex justify-between items-center text-sm">
-                      <span className="font-medium truncate">{h.name}</span>
-                      <span className="text-xs text-muted-foreground flex-shrink-0 ml-2">
-                        {formatTime(h.first_seen)} &ndash; {formatTime(h.last_seen)}
-                      </span>
-                    </div>
-                  ))}
-                </div>
-              </div>
-            )}
-
-            {/* Message Stats */}
-            {detail && (detail.dm_message_count > 0 || detail.channel_message_count > 0) && (
-              <div className="px-5 py-3 border-b border-border">
-                <SectionLabel>Messages</SectionLabel>
-                <div className="grid grid-cols-2 gap-x-4 gap-y-1 text-sm">
-                  {detail.dm_message_count > 0 && (
-                    <InfoItem
-                      label="Direct Messages"
-                      value={detail.dm_message_count.toLocaleString()}
-                    />
-                  )}
-                  {detail.channel_message_count > 0 && (
-                    <InfoItem
-                      label="Channel Messages"
-                      value={detail.channel_message_count.toLocaleString()}
-                    />
-                  )}
-                </div>
-              </div>
-            )}
-
-            {/* Most Active Rooms */}
-            {detail && detail.most_active_rooms.length > 0 && (
-              <div className="px-5 py-3 border-b border-border">
-                <SectionLabel>Most Active Rooms</SectionLabel>
-                <div className="space-y-1">
-                  {detail.most_active_rooms.map((room) => (
-                    <div
-                      key={room.channel_key}
-                      className="flex justify-between items-center text-sm"
-                    >
-                      <span
-                        className={
-                          onNavigateToChannel
-                            ? 'cursor-pointer hover:text-primary transition-colors truncate'
-                            : 'truncate'
-                        }
-                        role={onNavigateToChannel ? 'button' : undefined}
-                        tabIndex={onNavigateToChannel ? 0 : undefined}
-                        onKeyDown={onNavigateToChannel ? handleKeyboardActivate : undefined}
-                        onClick={() => onNavigateToChannel?.(room.channel_key)}
-                      >
-                        {room.channel_name.startsWith('#') || room.channel_name === 'Public'
-                          ? room.channel_name
-                          : `#${room.channel_name}`}
-                      </span>
-                      <span className="text-xs text-muted-foreground flex-shrink-0 ml-2">
-                        {room.message_count.toLocaleString()} msg
-                        {room.message_count !== 1 ? 's' : ''}
-                      </span>
-                    </div>
-                  ))}
-                </div>
+                <button
+                  type="button"
+                  className="text-sm flex items-center gap-2 hover:text-primary transition-colors"
+                  onClick={() => onSearchMessagesByKey(contact.public_key)}
+                >
+                  <Search className="h-4.5 w-4.5 text-muted-foreground" aria-hidden="true" />
+                  <span>Search user&apos;s messages by key</span>
+                </button>
               </div>
             )}
 
             {/* Nearest Repeaters */}
-            {detail && detail.nearest_repeaters.length > 0 && (
+            {analytics && analytics.nearest_repeaters.length > 0 && (
               <div className="px-5 py-3 border-b border-border">
                 <SectionLabel>Nearest Repeaters</SectionLabel>
                 <div className="space-y-1">
-                  {detail.nearest_repeaters.map((r) => (
+                  {analytics.nearest_repeaters.map((r) => (
                     <div key={r.public_key} className="flex justify-between items-center text-sm">
                       <span className="truncate">{r.name || r.public_key.slice(0, 12)}</span>
                       <span className="text-xs text-muted-foreground flex-shrink-0 ml-2">
@@ -432,11 +464,11 @@ export function ContactInfoPane({
             )}
 
             {/* Advert Paths */}
-            {detail && detail.advert_paths.length > 0 && (
-              <div className="px-5 py-3">
+            {analytics && analytics.advert_paths.length > 0 && (
+              <div className="px-5 py-3 border-b border-border">
                 <SectionLabel>Recent Advert Paths</SectionLabel>
                 <div className="space-y-1">
-                  {detail.advert_paths.map((p) => (
+                  {analytics.advert_paths.map((p) => (
                     <div
                       key={p.path + p.first_seen}
                       className="flex justify-between items-center text-sm"
@@ -452,6 +484,41 @@ export function ContactInfoPane({
                 </div>
               </div>
             )}
+
+            {fromChannel && (
+              <ChannelAttributionWarning
+                includeAliasNote={Boolean(analytics && analytics.name_history.length > 1)}
+              />
+            )}
+
+            {/* AKA (Name History) - only show if more than one name */}
+            {analytics && analytics.name_history.length > 1 && (
+              <div className="px-5 py-3 border-b border-border">
+                <SectionLabel>Also Known As</SectionLabel>
+                <div className="space-y-1">
+                  {analytics.name_history.map((h) => (
+                    <div key={h.name} className="flex justify-between items-center text-sm">
+                      <span className="font-medium truncate">{h.name}</span>
+                      <span className="text-xs text-muted-foreground flex-shrink-0 ml-2">
+                        {formatTime(h.first_seen)} &ndash; {formatTime(h.last_seen)}
+                      </span>
+                    </div>
+                  ))}
+                </div>
+              </div>
+            )}
+
+            <MessageStatsSection
+              dmMessageCount={analytics?.dm_message_count ?? 0}
+              channelMessageCount={analytics?.channel_message_count ?? 0}
+            />
+
+            <ActivityChartsSection analytics={analytics} />
+
+            <MostActiveRoomsSection
+              rooms={analytics?.most_active_rooms ?? []}
+              onNavigateToChannel={onNavigateToChannel}
+            />
           </div>
         ) : (
           <div className="flex-1 flex items-center justify-center text-muted-foreground">
@@ -471,18 +538,304 @@ function SectionLabel({ children }: { children: React.ReactNode }) {
   );
 }
 
-function ChannelAttributionWarning() {
+function ChannelAttributionWarning({
+  includeAliasNote = false,
+  nameOnly = false,
+  className = 'mx-5 my-3 px-3 py-2 rounded-md bg-warning/10 border border-warning/20',
+}: {
+  includeAliasNote?: boolean;
+  nameOnly?: boolean;
+  className?: string;
+}) {
   return (
-    <div className="mx-5 my-3 px-3 py-2 rounded-md bg-yellow-500/10 border border-yellow-500/20">
-      <p className="text-xs text-yellow-600 dark:text-yellow-400">
+    <div className={className}>
+      <p className="text-xs text-warning">
         Channel sender identity is based on best-effort name matching. Different nodes using the
-        same name will be attributed to the same contact. Message counts and key-based statistics
+        same name will be attributed to the same {nameOnly ? 'sender name' : 'contact'}. Stats below
         may be inaccurate.
+        {includeAliasNote &&
+          ' Historical counts below may include messages previously attributed under names shown in Also Known As.'}
       </p>
     </div>
   );
 }
 
+function MessageStatsSection({
+  dmMessageCount,
+  channelMessageCount,
+  showDirectMessages = true,
+}: {
+  dmMessageCount: number;
+  channelMessageCount: number;
+  showDirectMessages?: boolean;
+}) {
+  if ((showDirectMessages ? dmMessageCount : 0) <= 0 && channelMessageCount <= 0) {
+    return null;
+  }
+
+  return (
+    <div className="px-5 py-3 border-b border-border">
+      <SectionLabel>Messages</SectionLabel>
+      <div className="grid grid-cols-2 gap-x-4 gap-y-1 text-sm">
+        {showDirectMessages && dmMessageCount > 0 && (
+          <InfoItem label="Direct Messages" value={dmMessageCount.toLocaleString()} />
+        )}
+        {channelMessageCount > 0 && (
+          <InfoItem label="Channel Messages" value={channelMessageCount.toLocaleString()} />
+        )}
+      </div>
+    </div>
+  );
+}
+
+function MostActiveRoomsSection({
+  rooms,
+  onNavigateToChannel,
+}: {
+  rooms: ContactActiveRoom[];
+  onNavigateToChannel?: (channelKey: string) => void;
+}) {
+  if (rooms.length === 0) {
+    return null;
+  }
+
+  return (
+    <div className="px-5 py-3 border-b border-border">
+      <SectionLabel>Most Active Rooms</SectionLabel>
+      <div className="space-y-1">
+        {rooms.map((room) => (
+          <div key={room.channel_key} className="flex justify-between items-center text-sm">
+            <span
+              className={
+                onNavigateToChannel
+                  ? 'cursor-pointer hover:text-primary transition-colors truncate'
+                  : 'truncate'
+              }
+              role={onNavigateToChannel ? 'button' : undefined}
+              tabIndex={onNavigateToChannel ? 0 : undefined}
+              onKeyDown={onNavigateToChannel ? handleKeyboardActivate : undefined}
+              onClick={() => onNavigateToChannel?.(room.channel_key)}
+            >
+              {room.channel_name.startsWith('#') || room.channel_name === 'Public'
+                ? room.channel_name
+                : `#${room.channel_name}`}
+            </span>
+            <span className="text-xs text-muted-foreground flex-shrink-0 ml-2">
+              {room.message_count.toLocaleString()} msg
+              {room.message_count !== 1 ? 's' : ''}
+            </span>
+          </div>
+        ))}
+      </div>
+    </div>
+  );
+}
+
+function ActivityChartsSection({ analytics }: { analytics: ContactAnalytics | null }) {
+  if (!analytics) {
+    return null;
+  }
+
+  const hasHourlyActivity = analytics.hourly_activity.some(
+    (bucket) =>
+      bucket.last_24h_count > 0 || bucket.last_week_average > 0 || bucket.all_time_average > 0
+  );
+  const hasWeeklyActivity = analytics.weekly_activity.some((bucket) => bucket.message_count > 0);
+  if (!hasHourlyActivity && !hasWeeklyActivity) {
+    return null;
+  }
+
+  return (
+    <div className="px-5 py-3 border-b border-border space-y-4">
+      {hasHourlyActivity && (
+        <div>
+          <SectionLabel>Messages Per Hour</SectionLabel>
+          <ChartLegend
+            items={[
+              { label: 'Last 24h', color: '#2563eb' },
+              { label: '7-day avg', color: '#ea580c' },
+              { label: 'All-time avg', color: '#64748b' },
+            ]}
+          />
+          <ActivityLineChart
+            ariaLabel="Messages per hour"
+            points={analytics.hourly_activity}
+            series={[
+              { key: 'last_24h_count', color: '#2563eb' },
+              { key: 'last_week_average', color: '#ea580c' },
+              { key: 'all_time_average', color: '#64748b' },
+            ]}
+            valueFormatter={(value) => value.toFixed(value % 1 === 0 ? 0 : 1)}
+            tickFormatter={(bucket) =>
+              new Date(bucket.bucket_start * 1000).toLocaleTimeString([], {
+                hour: '2-digit',
+                minute: '2-digit',
+                hour12: false,
+              })
+            }
+          />
+        </div>
+      )}
+
+      {hasWeeklyActivity && (
+        <div>
+          <SectionLabel>Messages Per Week</SectionLabel>
+          <ActivityLineChart
+            ariaLabel="Messages per week"
+            points={analytics.weekly_activity}
+            series={[{ key: 'message_count', color: '#16a34a' }]}
+            valueFormatter={(value) => value.toFixed(0)}
+            tickFormatter={(bucket) =>
+              new Date(bucket.bucket_start * 1000).toLocaleDateString([], {
+                month: 'short',
+                day: 'numeric',
+              })
+            }
+          />
+        </div>
+      )}
+
+      <p className="text-[11px] text-muted-foreground">
+        Hourly lines compare the last 24 hours against 7-day and all-time averages for the same hour
+        slots.
+        {!analytics.includes_direct_messages &&
+          ' Name-only analytics include channel messages only.'}
+      </p>
+    </div>
+  );
+}
+
+function ChartLegend({ items }: { items: Array<{ label: string; color: string }> }) {
+  return (
+    <div className="flex flex-wrap gap-x-3 gap-y-1 mb-2 text-[11px] text-muted-foreground">
+      {items.map((item) => (
+        <span key={item.label} className="inline-flex items-center gap-1.5">
+          <span
+            className="inline-block h-2 w-2 rounded-full"
+            style={{ backgroundColor: item.color }}
+            aria-hidden="true"
+          />
+          {item.label}
+        </span>
+      ))}
+    </div>
+  );
+}
+
+function ActivityLineChart<T extends ContactAnalyticsHourlyBucket | ContactAnalyticsWeeklyBucket>({
+  ariaLabel,
+  points,
+  series,
+  tickFormatter,
+  valueFormatter,
+}: {
+  ariaLabel: string;
+  points: T[];
+  series: Array<{ key: keyof T; color: string }>;
+  tickFormatter: (point: T) => string;
+  valueFormatter: (value: number) => string;
+}) {
+  const width = 320;
+  const height = 132;
+  const padding = { top: 8, right: 8, bottom: 24, left: 32 };
+  const plotWidth = width - padding.left - padding.right;
+  const plotHeight = height - padding.top - padding.bottom;
+  const allValues = points.flatMap((point) =>
+    series.map((entry) => {
+      const value = point[entry.key];
+      return typeof value === 'number' ? value : 0;
+    })
+  );
+  const maxValue = Math.max(1, ...allValues);
+  const tickIndices = Array.from(
+    new Set([
+      0,
+      Math.floor((points.length - 1) / 3),
+      Math.floor(((points.length - 1) * 2) / 3),
+      points.length - 1,
+    ])
+  );
+
+  const buildPolyline = (key: keyof T) =>
+    points
+      .map((point, index) => {
+        const rawValue = point[key];
+        const value = typeof rawValue === 'number' ? rawValue : 0;
+        const x =
+          padding.left + (points.length === 1 ? 0 : (index / (points.length - 1)) * plotWidth);
+        const y = padding.top + plotHeight - (value / maxValue) * plotHeight;
+        return `${x},${y}`;
+      })
+      .join(' ');
+
+  return (
+    <div>
+      <svg
+        viewBox={`0 0 ${width} ${height}`}
+        className="w-full h-auto"
+        role="img"
+        aria-label={ariaLabel}
+      >
+        {[0, 0.5, 1].map((ratio) => {
+          const y = padding.top + plotHeight - ratio * plotHeight;
+          const value = maxValue * ratio;
+          return (
+            <g key={ratio}>
+              <line
+                x1={padding.left}
+                x2={width - padding.right}
+                y1={y}
+                y2={y}
+                stroke="hsl(var(--border))"
+                strokeWidth="1"
+              />
+              <text
+                x={padding.left - 6}
+                y={y + 4}
+                fontSize="10"
+                textAnchor="end"
+                fill="hsl(var(--muted-foreground))"
+              >
+                {valueFormatter(value)}
+              </text>
+            </g>
+          );
+        })}
+
+        {series.map((entry) => (
+          <polyline
+            key={String(entry.key)}
+            fill="none"
+            stroke={entry.color}
+            strokeWidth="2"
+            strokeLinejoin="round"
+            strokeLinecap="round"
+            points={buildPolyline(entry.key)}
+          />
+        ))}
+
+        {tickIndices.map((index) => {
+          const point = points[index];
+          const x =
+            padding.left + (points.length === 1 ? 0 : (index / (points.length - 1)) * plotWidth);
+          return (
+            <text
+              key={`${ariaLabel}-${point.bucket_start}`}
+              x={x}
+              y={height - 6}
+              fontSize="10"
+              textAnchor={index === 0 ? 'start' : index === points.length - 1 ? 'end' : 'middle'}
+              fill="hsl(var(--muted-foreground))"
+            >
+              {tickFormatter(point)}
+            </text>
+          );
+        })}
+      </svg>
+    </div>
+  );
+}
+
 function InfoItem({ label, value }: { label: string; value: ReactNode }) {
   return (
     <div>

frontend/src/components/ConversationPane.tsx

@@ -15,6 +15,7 @@ import type {
   RadioConfig,
 } from '../types';
 import { CONTACT_TYPE_REPEATER } from '../types';
+import { isPrefixOnlyContact, isUnknownFullKeyContact } from '../utils/pubkey';
 
 const RepeaterDashboard = lazy(() =>
   import('./RepeaterDashboard').then((m) => ({ default: m.RepeaterDashboard }))
@@ -31,11 +32,15 @@ interface ConversationPaneProps {
   rawPackets: RawPacket[];
   config: RadioConfig | null;
   health: HealthStatus | null;
+  notificationsSupported: boolean;
+  notificationsEnabled: boolean;
+  notificationsPermission: NotificationPermission | 'unsupported';
   favorites: Favorite[];
   messages: Message[];
   messagesLoading: boolean;
   loadingOlder: boolean;
   hasOlderMessages: boolean;
+  unreadMarkerLastReadAt?: number | null;
   targetMessageId: number | null;
   hasNewerMessages: boolean;
   loadingNewer: boolean;
@@ -53,7 +58,9 @@ interface ConversationPaneProps {
   onTargetReached: () => void;
   onLoadNewer: () => Promise<void>;
   onJumpToBottom: () => void;
+  onDismissUnreadMarker: () => void;
   onSendMessage: (text: string) => Promise<void>;
+  onToggleNotifications: () => void;
 }
 
 function LoadingPane({ label }: { label: string }) {
@@ -62,6 +69,25 @@ function LoadingPane({ label }: { label: string }) {
   );
 }
 
+function ContactResolutionBanner({ variant }: { variant: 'unknown-full-key' | 'prefix-only' }) {
+  if (variant === 'prefix-only') {
+    return (
+      <div className="mx-4 mt-3 rounded-md border border-destructive/30 bg-destructive/10 px-3 py-2 text-sm text-destructive">
+        We only know a key prefix for this sender, which can happen when a fallback DM arrives
+        before we learn their full identity. This conversation is read-only until we hear an
+        advertisement that resolves the full key.
+      </div>
+    );
+  }
+
+  return (
+    <div className="mx-4 mt-3 rounded-md border border-warning/30 bg-warning/10 px-3 py-2 text-sm text-warning">
+      A full identity profile is not yet available because we have not heard an advertisement from
+      this sender. The contact will fill in automatically when an advertisement arrives.
+    </div>
+  );
+}
+
 export function ConversationPane({
   activeConversation,
   contacts,
@@ -69,11 +95,15 @@ export function ConversationPane({
   rawPackets,
   config,
   health,
+  notificationsSupported,
+  notificationsEnabled,
+  notificationsPermission,
   favorites,
   messages,
   messagesLoading,
   loadingOlder,
   hasOlderMessages,
+  unreadMarkerLastReadAt,
   targetMessageId,
   hasNewerMessages,
   loadingNewer,
@@ -91,13 +121,26 @@ export function ConversationPane({
   onTargetReached,
   onLoadNewer,
   onJumpToBottom,
+  onDismissUnreadMarker,
   onSendMessage,
+  onToggleNotifications,
 }: ConversationPaneProps) {
   const activeContactIsRepeater = useMemo(() => {
     if (!activeConversation || activeConversation.type !== 'contact') return false;
     const contact = contacts.find((candidate) => candidate.public_key === activeConversation.id);
     return contact?.type === CONTACT_TYPE_REPEATER;
   }, [activeConversation, contacts]);
+  const activeContact = useMemo(() => {
+    if (!activeConversation || activeConversation.type !== 'contact') return null;
+    return contacts.find((candidate) => candidate.public_key === activeConversation.id) ?? null;
+  }, [activeConversation, contacts]);
+  const isPrefixOnlyActiveContact = activeContact
+    ? isPrefixOnlyContact(activeContact.public_key)
+    : false;
+  const isUnknownFullKeyActiveContact =
+    activeContact !== null &&
+    !isPrefixOnlyActiveContact &&
+    isUnknownFullKeyContact(activeContact.public_key, activeContact.last_advert);
 
   if (!activeConversation) {
     return (
@@ -155,10 +198,14 @@ export function ConversationPane({
           conversation={activeConversation}
           contacts={contacts}
           favorites={favorites}
+          notificationsSupported={notificationsSupported}
+          notificationsEnabled={notificationsEnabled}
+          notificationsPermission={notificationsPermission}
           radioLat={config?.lat ?? null}
           radioLon={config?.lon ?? null}
           radioName={config?.name ?? null}
           onTrace={onTrace}
+          onToggleNotifications={onToggleNotifications}
           onToggleFavorite={onToggleFavorite}
           onDeleteContact={onDeleteContact}
         />
@@ -174,7 +221,11 @@ export function ConversationPane({
         channels={channels}
         config={config}
         favorites={favorites}
+        notificationsSupported={notificationsSupported}
+        notificationsEnabled={notificationsEnabled}
+        notificationsPermission={notificationsPermission}
         onTrace={onTrace}
+        onToggleNotifications={onToggleNotifications}
         onToggleFavorite={onToggleFavorite}
         onSetChannelFloodScopeOverride={onSetChannelFloodScopeOverride}
         onDeleteChannel={onDeleteChannel}
@@ -182,6 +233,12 @@ export function ConversationPane({
         onOpenContactInfo={onOpenContactInfo}
         onOpenChannelInfo={onOpenChannelInfo}
       />
+      {activeConversation.type === 'contact' && isPrefixOnlyActiveContact && (
+        <ContactResolutionBanner variant="prefix-only" />
+      )}
+      {activeConversation.type === 'contact' && isUnknownFullKeyActiveContact && (
+        <ContactResolutionBanner variant="unknown-full-key" />
+      )}
       <MessageList
         key={activeConversation.id}
         messages={messages}
@@ -189,6 +246,12 @@ export function ConversationPane({
         loading={messagesLoading}
         loadingOlder={loadingOlder}
         hasOlderMessages={hasOlderMessages}
+        unreadMarkerLastReadAt={
+          activeConversation.type === 'channel' ? unreadMarkerLastReadAt : undefined
+        }
+        onDismissUnreadMarker={
+          activeConversation.type === 'channel' ? onDismissUnreadMarker : undefined
+        }
         onSenderClick={activeConversation.type === 'channel' ? onSenderClick : undefined}
         onLoadOlder={onLoadOlder}
         onResendChannelMessage={
@@ -204,16 +267,20 @@ export function ConversationPane({
         onLoadNewer={onLoadNewer}
         onJumpToBottom={onJumpToBottom}
       />
-      <MessageInput
-        ref={messageInputRef}
-        onSend={onSendMessage}
-        disabled={!health?.radio_connected}
-        conversationType={activeConversation.type}
-        senderName={config?.name}
-        placeholder={
-          !health?.radio_connected ? 'Radio not connected' : `Message ${activeConversation.name}...`
-        }
-      />
+      {activeConversation.type === 'contact' && isPrefixOnlyActiveContact ? null : (
+        <MessageInput
+          ref={messageInputRef}
+          onSend={onSendMessage}
+          disabled={!health?.radio_connected}
+          conversationType={activeConversation.type}
+          senderName={config?.name}
+          placeholder={
+            !health?.radio_connected
+              ? 'Radio not connected'
+              : `Message ${activeConversation.name}...`
+          }
+        />
+      )}
     </>
   );
 }

frontend/src/components/DirectTraceIcon.tsx

@@ -0,0 +1,22 @@
+interface DirectTraceIconProps {
+  className?: string;
+}
+
+export function DirectTraceIcon({ className }: DirectTraceIconProps) {
+  return (
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      viewBox="0 0 24 24"
+      fill="none"
+      stroke="currentColor"
+      strokeWidth="2"
+      strokeLinecap="round"
+      strokeLinejoin="round"
+      className={className}
+      aria-hidden="true"
+    >
+      <path d="M3 12h12" />
+      <circle cx="18" cy="12" r="3" />
+    </svg>
+  );
+}

frontend/src/components/MapView.tsx

@@ -1,4 +1,4 @@
-import { useEffect, useState, useMemo, useRef, useCallback } from 'react';
+import { Fragment, useEffect, useState, useMemo, useRef, useCallback } from 'react';
 import { MapContainer, TileLayer, CircleMarker, Popup, useMap } from 'react-leaflet';
 import type { LatLngBoundsExpression, CircleMarker as LeafletCircleMarker } from 'leaflet';
 import 'leaflet/dist/leaflet.css';
@@ -13,17 +13,27 @@ interface MapViewProps {
   focusedKey?: string | null;
 }
 
+const MAP_RECENCY_COLORS = {
+  recent: '#06b6d4',
+  today: '#2563eb',
+  stale: '#f59e0b',
+  old: '#64748b',
+} as const;
+const MAP_MARKER_STROKE = '#0f172a';
+const MAP_REPEATER_RING = '#f8fafc';
+
 // Calculate marker color based on how recently the contact was heard
-function getMarkerColor(lastSeen: number): string {
+function getMarkerColor(lastSeen: number | null | undefined): string {
+  if (lastSeen == null) return MAP_RECENCY_COLORS.old;
   const now = Date.now() / 1000;
   const age = now - lastSeen;
   const hour = 3600;
   const day = 86400;
 
-  if (age < hour) return '#22c55e'; // Bright green - less than 1 hour
-  if (age < day) return '#4ade80'; // Light green - less than 1 day
-  if (age < 3 * day) return '#a3e635'; // Yellow-green - less than 3 days
-  return '#9ca3af'; // Gray - older (up to 7 days)
+  if (age < hour) return MAP_RECENCY_COLORS.recent;
+  if (age < day) return MAP_RECENCY_COLORS.today;
+  if (age < 3 * day) return MAP_RECENCY_COLORS.stale;
+  return MAP_RECENCY_COLORS.old;
 }
 
 // Component to handle map bounds fitting
@@ -94,16 +104,17 @@ function MapBoundsHandler({
 }
 
 export function MapView({ contacts, focusedKey }: MapViewProps) {
+  const sevenDaysAgo = Date.now() / 1000 - 7 * 24 * 60 * 60;
+
   // Filter to contacts with GPS coordinates, heard within the last 7 days.
   // Always include the focused contact so "view on map" links work for older nodes.
   const mappableContacts = useMemo(() => {
-    const sevenDaysAgo = Date.now() / 1000 - 7 * 24 * 60 * 60;
     return contacts.filter(
       (c) =>
         isValidLocation(c.lat, c.lon) &&
         (c.public_key === focusedKey || (c.last_seen != null && c.last_seen > sevenDaysAgo))
     );
-  }, [contacts, focusedKey]);
+  }, [contacts, focusedKey, sevenDaysAgo]);
 
   // Find the focused contact by key
   const focusedContact = useMemo(() => {
@@ -111,6 +122,10 @@ export function MapView({ contacts, focusedKey }: MapViewProps) {
     return mappableContacts.find((c) => c.public_key === focusedKey) || null;
   }, [focusedKey, mappableContacts]);
 
+  const includesFocusedOutsideWindow =
+    focusedContact != null &&
+    (focusedContact.last_seen == null || focusedContact.last_seen <= sevenDaysAgo);
+
   // Track marker refs to open popup programmatically
   const markerRefs = useRef<Record<string, LeafletCircleMarker | null>>({});
 
@@ -137,19 +152,48 @@ export function MapView({ contacts, focusedKey }: MapViewProps) {
         <span>
           Showing {mappableContacts.length} contact{mappableContacts.length !== 1 ? 's' : ''} heard
           in the last 7 days
+          {includesFocusedOutsideWindow ? ' plus the focused contact' : ''}
         </span>
         <div className="flex items-center gap-3">
           <span className="flex items-center gap-1">
-            <span className="w-3 h-3 rounded-full bg-[#22c55e]" aria-hidden="true" /> &lt;1h
+            <span
+              className="w-3 h-3 rounded-full"
+              style={{ backgroundColor: MAP_RECENCY_COLORS.recent }}
+              aria-hidden="true"
+            />{' '}
+            &lt;1h
           </span>
           <span className="flex items-center gap-1">
-            <span className="w-3 h-3 rounded-full bg-[#4ade80]" aria-hidden="true" /> &lt;1d
+            <span
+              className="w-3 h-3 rounded-full"
+              style={{ backgroundColor: MAP_RECENCY_COLORS.today }}
+              aria-hidden="true"
+            />{' '}
+            &lt;1d
           </span>
           <span className="flex items-center gap-1">
-            <span className="w-3 h-3 rounded-full bg-[#a3e635]" aria-hidden="true" /> &lt;3d
+            <span
+              className="w-3 h-3 rounded-full"
+              style={{ backgroundColor: MAP_RECENCY_COLORS.stale }}
+              aria-hidden="true"
+            />{' '}
+            &lt;3d
           </span>
           <span className="flex items-center gap-1">
-            <span className="w-3 h-3 rounded-full bg-[#9ca3af]" aria-hidden="true" /> older
+            <span
+              className="w-3 h-3 rounded-full"
+              style={{ backgroundColor: MAP_RECENCY_COLORS.old }}
+              aria-hidden="true"
+            />{' '}
+            older
+          </span>
+          <span className="flex items-center gap-1">
+            <span
+              className="w-3 h-3 rounded-full border-2"
+              style={{ borderColor: MAP_REPEATER_RING, backgroundColor: MAP_RECENCY_COLORS.today }}
+              aria-hidden="true"
+            />{' '}
+            repeater
           </span>
         </div>
       </div>
@@ -175,41 +219,46 @@ export function MapView({ contacts, focusedKey }: MapViewProps) {
 
           {mappableContacts.map((contact) => {
             const isRepeater = contact.type === CONTACT_TYPE_REPEATER;
-            const color = getMarkerColor(contact.last_seen!);
+            const color = getMarkerColor(contact.last_seen);
             const displayName = contact.name || contact.public_key.slice(0, 12);
+            const lastHeardLabel =
+              contact.last_seen != null
+                ? formatTime(contact.last_seen)
+                : 'Never heard by this server';
+            const radius = isRepeater ? 10 : 7;
 
             return (
-              <CircleMarker
-                key={contact.public_key}
-                ref={(ref) => setMarkerRef(contact.public_key, ref)}
-                center={[contact.lat!, contact.lon!]}
-                radius={isRepeater ? 10 : 7}
-                pathOptions={{
-                  color: isRepeater ? color : '#000',
-                  fillColor: color,
-                  fillOpacity: 0.8,
-                  weight: isRepeater ? 0 : 1,
-                }}
-              >
-                <Popup>
-                  <div className="text-sm">
-                    <div className="font-medium flex items-center gap-1">
-                      {isRepeater && (
-                        <span title="Repeater" aria-hidden="true">
-                          🛜
-                        </span>
-                      )}
-                      {displayName}
+              <Fragment key={contact.public_key}>
+                <CircleMarker
+                  key={contact.public_key}
+                  ref={(ref) => setMarkerRef(contact.public_key, ref)}
+                  center={[contact.lat!, contact.lon!]}
+                  radius={radius}
+                  pathOptions={{
+                    color: isRepeater ? MAP_REPEATER_RING : MAP_MARKER_STROKE,
+                    fillColor: color,
+                    fillOpacity: 0.9,
+                    weight: isRepeater ? 3 : 2,
+                  }}
+                >
+                  <Popup>
+                    <div className="text-sm">
+                      <div className="font-medium flex items-center gap-1">
+                        {isRepeater && (
+                          <span title="Repeater" aria-hidden="true">
+                            🛜
+                          </span>
+                        )}
+                        {displayName}
+                      </div>
+                      <div className="text-xs text-gray-500 mt-1">Last heard: {lastHeardLabel}</div>
+                      <div className="text-xs text-gray-400 mt-1 font-mono">
+                        {contact.lat!.toFixed(5)}, {contact.lon!.toFixed(5)}
+                      </div>
                     </div>
-                    <div className="text-xs text-gray-500 mt-1">
-                      Last heard: {formatTime(contact.last_seen!)}
-                    </div>
-                    <div className="text-xs text-gray-400 mt-1 font-mono">
-                      {contact.lat!.toFixed(5)}, {contact.lon!.toFixed(5)}
-                    </div>
-                  </div>
-                </Popup>
-              </CircleMarker>
+                  </Popup>
+                </CircleMarker>
+              </Fragment>
             );
           })}
         </MapContainer>

frontend/src/components/MessageInput.tsx

@@ -150,7 +150,7 @@ export const MessageInput = forwardRef<MessageInputHandle, MessageInputProps>(fu
 
   return (
     <form
-      className="px-4 py-2.5 border-t border-border flex flex-col gap-1"
+      className="message-input-shell px-4 py-2.5 border-t border-border flex flex-col gap-1"
       onSubmit={handleSubmit}
       autoComplete="off"
     >

frontend/src/components/MessageList.tsx

@@ -1,4 +1,5 @@
 import {
+  Fragment,
   useEffect,
   useLayoutEffect,
   useRef,
@@ -22,6 +23,8 @@ interface MessageListProps {
   loading: boolean;
   loadingOlder?: boolean;
   hasOlderMessages?: boolean;
+  unreadMarkerLastReadAt?: number | null;
+  onDismissUnreadMarker?: () => void;
   onSenderClick?: (sender: string) => void;
   onLoadOlder?: () => void;
   onResendChannelMessage?: (messageId: number, newTimestamp?: boolean) => void;
@@ -172,6 +175,8 @@ export function MessageList({
   loading,
   loadingOlder = false,
   hasOlderMessages = false,
+  unreadMarkerLastReadAt,
+  onDismissUnreadMarker,
   onSenderClick,
   onLoadOlder,
   onResendChannelMessage,
@@ -198,7 +203,12 @@ export function MessageList({
   const [resendableIds, setResendableIds] = useState<Set<number>>(new Set());
   const resendTimersRef = useRef<Map<number, ReturnType<typeof setTimeout>>>(new Map());
   const [highlightedMessageId, setHighlightedMessageId] = useState<number | null>(null);
+  const [showJumpToUnread, setShowJumpToUnread] = useState(false);
   const targetScrolledRef = useRef(false);
+  const unreadMarkerRef = useRef<HTMLButtonElement | HTMLDivElement | null>(null);
+  const setUnreadMarkerElement = useCallback((node: HTMLButtonElement | HTMLDivElement | null) => {
+    unreadMarkerRef.current = node;
+  }, []);
 
   // Capture scroll state in the scroll handler BEFORE any state updates
   const scrollStateRef = useRef({
@@ -389,6 +399,18 @@ export function MessageList({
     () => [...messages].sort((a, b) => a.received_at - b.received_at || a.id - b.id),
     [messages]
   );
+  const unreadMarkerIndex = useMemo(() => {
+    if (unreadMarkerLastReadAt === undefined) {
+      return -1;
+    }
+
+    const boundary = unreadMarkerLastReadAt ?? 0;
+    return sortedMessages.findIndex((msg) => !msg.outgoing && msg.received_at > boundary);
+  }, [sortedMessages, unreadMarkerLastReadAt]);
+
+  useEffect(() => {
+    setShowJumpToUnread(unreadMarkerIndex !== -1);
+  }, [unreadMarkerIndex]);
 
   // Sender info for outgoing messages (used by path modal on own messages)
   const selfSenderInfo = useMemo<SenderInfo>(
@@ -606,97 +628,108 @@ export function MessageList({
                 (avatarName ? `name:${avatarName}` : `message:${msg.id}`);
             }
           }
+          const avatarActionLabel =
+            avatarName && avatarName !== 'Unknown'
+              ? `View info for ${avatarName}`
+              : `View info for ${avatarKey.slice(0, 12)}`;
 
           return (
-            <div
-              key={msg.id}
-              data-message-id={msg.id}
-              className={cn(
-                'flex items-start max-w-[85%]',
-                msg.outgoing && 'flex-row-reverse self-end',
-                isFirstInGroup && !isFirstMessage && 'mt-3'
-              )}
-            >
-              {!msg.outgoing && (
-                <div className="w-10 flex-shrink-0 flex items-start pt-0.5">
-                  {showAvatar && avatarKey && (
-                    <span
-                      role={onOpenContactInfo ? 'button' : undefined}
-                      tabIndex={onOpenContactInfo ? 0 : undefined}
-                      onKeyDown={onOpenContactInfo ? handleKeyboardActivate : undefined}
-                      onClick={
-                        onOpenContactInfo
-                          ? () => onOpenContactInfo(avatarKey, msg.type === 'CHAN')
-                          : undefined
-                      }
-                    >
-                      <ContactAvatar
-                        name={avatarName}
-                        publicKey={avatarKey}
-                        size={32}
-                        clickable={!!onOpenContactInfo}
-                        variant={avatarVariant}
-                      />
+            <Fragment key={msg.id}>
+              {unreadMarkerIndex === index &&
+                (onDismissUnreadMarker ? (
+                  <button
+                    ref={setUnreadMarkerElement}
+                    type="button"
+                    className="my-2 flex w-full items-center gap-3 text-left text-xs font-medium text-primary transition-colors hover:text-primary/80 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
+                    onClick={onDismissUnreadMarker}
+                  >
+                    <span className="h-px flex-1 bg-border" />
+                    <span className="rounded-full border border-primary/30 bg-primary/10 px-3 py-1">
+                      Unread messages
                     </span>
-                  )}
-                </div>
-              )}
+                    <span className="h-px flex-1 bg-border" />
+                  </button>
+                ) : (
+                  <div
+                    ref={setUnreadMarkerElement}
+                    className="my-2 flex w-full items-center gap-3 text-xs font-medium text-primary"
+                  >
+                    <span className="h-px flex-1 bg-border" />
+                    <span className="rounded-full border border-primary/30 bg-primary/10 px-3 py-1">
+                      Unread messages
+                    </span>
+                    <span className="h-px flex-1 bg-border" />
+                  </div>
+                ))}
               <div
+                data-message-id={msg.id}
                 className={cn(
-                  'py-1.5 px-3 rounded-lg min-w-0',
-                  msg.outgoing ? 'bg-msg-outgoing' : 'bg-msg-incoming',
-                  highlightedMessageId === msg.id && 'message-highlight'
+                  'flex items-start max-w-[85%]',
+                  msg.outgoing && 'flex-row-reverse self-end',
+                  isFirstInGroup && !isFirstMessage && 'mt-3'
                 )}
               >
-                {showAvatar && (
-                  <div className="text-[13px] font-semibold text-foreground mb-0.5">
-                    {canClickSender ? (
-                      <span
-                        className="cursor-pointer hover:text-primary transition-colors"
-                        role="button"
-                        tabIndex={0}
-                        onKeyDown={handleKeyboardActivate}
-                        onClick={() => onSenderClick(displaySender)}
-                        title={`Mention ${displaySender}`}
-                      >
-                        {displaySender}
-                      </span>
-                    ) : (
-                      displaySender
-                    )}
-                    <span className="font-normal text-muted-foreground ml-2 text-[11px]">
-                      {formatTime(msg.sender_timestamp || msg.received_at)}
-                    </span>
-                    {!msg.outgoing && msg.paths && msg.paths.length > 0 && (
-                      <HopCountBadge
-                        paths={msg.paths}
-                        variant="header"
-                        onClick={() =>
-                          setSelectedPath({
-                            paths: msg.paths!,
-                            senderInfo: getSenderInfo(msg, contact, sender),
-                          })
-                        }
-                      />
-                    )}
+                {!msg.outgoing && (
+                  <div className="w-10 flex-shrink-0 flex items-start pt-0.5">
+                    {showAvatar &&
+                      avatarKey &&
+                      (onOpenContactInfo ? (
+                        <button
+                          type="button"
+                          className="avatar-action-button rounded-full border-none bg-transparent p-0 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
+                          aria-label={avatarActionLabel}
+                          onClick={() => onOpenContactInfo(avatarKey, msg.type === 'CHAN')}
+                        >
+                          <ContactAvatar
+                            name={avatarName}
+                            publicKey={avatarKey}
+                            size={32}
+                            clickable
+                            variant={avatarVariant}
+                          />
+                        </button>
+                      ) : (
+                        <span>
+                          <ContactAvatar
+                            name={avatarName}
+                            publicKey={avatarKey}
+                            size={32}
+                            variant={avatarVariant}
+                          />
+                        </span>
+                      ))}
                   </div>
                 )}
-                <div className="break-words whitespace-pre-wrap">
-                  {content.split('\n').map((line, i, arr) => (
-                    <span key={i}>
-                      {renderTextWithMentions(line, radioName)}
-                      {i < arr.length - 1 && <br />}
-                    </span>
-                  ))}
-                  {!showAvatar && (
-                    <>
-                      <span className="text-[10px] text-muted-foreground ml-2">
+                <div
+                  className={cn(
+                    'py-1.5 px-3 rounded-lg min-w-0',
+                    msg.outgoing ? 'bg-msg-outgoing' : 'bg-msg-incoming',
+                    highlightedMessageId === msg.id && 'message-highlight'
+                  )}
+                >
+                  {showAvatar && (
+                    <div className="text-[13px] font-semibold text-foreground mb-0.5">
+                      {canClickSender ? (
+                        <span
+                          className="cursor-pointer hover:text-primary transition-colors"
+                          role="button"
+                          tabIndex={0}
+                          onKeyDown={handleKeyboardActivate}
+                          onClick={() => onSenderClick(displaySender)}
+                          title={`Mention ${displaySender}`}
+                        >
+                          {displaySender}
+                        </span>
+                      ) : (
+                        displaySender
+                      )}
+                      <span className="font-normal text-muted-foreground ml-2 text-[11px]">
                         {formatTime(msg.sender_timestamp || msg.received_at)}
                       </span>
                       {!msg.outgoing && msg.paths && msg.paths.length > 0 && (
                         <HopCountBadge
                           paths={msg.paths}
-                          variant="inline"
+                          variant="header"
                           onClick={() =>
                             setSelectedPath({
                               paths: msg.paths!,
@@ -705,11 +738,58 @@ export function MessageList({
                           }
                         />
                       )}
-                    </>
+                    </div>
                   )}
-                  {msg.outgoing &&
-                    (msg.acked > 0 ? (
-                      msg.paths && msg.paths.length > 0 ? (
+                  <div className="break-words whitespace-pre-wrap">
+                    {content.split('\n').map((line, i, arr) => (
+                      <span key={i}>
+                        {renderTextWithMentions(line, radioName)}
+                        {i < arr.length - 1 && <br />}
+                      </span>
+                    ))}
+                    {!showAvatar && (
+                      <>
+                        <span className="text-[10px] text-muted-foreground ml-2">
+                          {formatTime(msg.sender_timestamp || msg.received_at)}
+                        </span>
+                        {!msg.outgoing && msg.paths && msg.paths.length > 0 && (
+                          <HopCountBadge
+                            paths={msg.paths}
+                            variant="inline"
+                            onClick={() =>
+                              setSelectedPath({
+                                paths: msg.paths!,
+                                senderInfo: getSenderInfo(msg, contact, sender),
+                              })
+                            }
+                          />
+                        )}
+                      </>
+                    )}
+                    {msg.outgoing &&
+                      (msg.acked > 0 ? (
+                        msg.paths && msg.paths.length > 0 ? (
+                          <span
+                            className="text-muted-foreground cursor-pointer hover:text-primary"
+                            role="button"
+                            tabIndex={0}
+                            onKeyDown={handleKeyboardActivate}
+                            onClick={(e) => {
+                              e.stopPropagation();
+                              setSelectedPath({
+                                paths: msg.paths!,
+                                senderInfo: selfSenderInfo,
+                                messageId: msg.id,
+                                isOutgoingChan: msg.type === 'CHAN' && !!onResendChannelMessage,
+                              });
+                            }}
+                            title="View echo paths"
+                            aria-label={`Acknowledged, ${msg.acked} echo${msg.acked !== 1 ? 's' : ''} — view paths`}
+                          >{` ✓${msg.acked > 1 ? msg.acked : ''}`}</span>
+                        ) : (
+                          <span className="text-muted-foreground">{` ✓${msg.acked > 1 ? msg.acked : ''}`}</span>
+                        )
+                      ) : onResendChannelMessage && msg.type === 'CHAN' ? (
                         <span
                           className="text-muted-foreground cursor-pointer hover:text-primary"
                           role="button"
@@ -718,48 +798,28 @@ export function MessageList({
                           onClick={(e) => {
                             e.stopPropagation();
                             setSelectedPath({
-                              paths: msg.paths!,
+                              paths: [],
                               senderInfo: selfSenderInfo,
                               messageId: msg.id,
-                              isOutgoingChan: msg.type === 'CHAN' && !!onResendChannelMessage,
+                              isOutgoingChan: true,
                             });
                           }}
-                          title="View echo paths"
-                          aria-label={`Acknowledged, ${msg.acked} echo${msg.acked !== 1 ? 's' : ''} — view paths`}
-                        >{` ✓${msg.acked > 1 ? msg.acked : ''}`}</span>
+                          title="Message status"
+                          aria-label="No echoes yet — view message status"
+                        >
+                          {' '}
+                          ?
+                        </span>
                       ) : (
-                        <span className="text-muted-foreground">{` ✓${msg.acked > 1 ? msg.acked : ''}`}</span>
-                      )
-                    ) : onResendChannelMessage && msg.type === 'CHAN' ? (
-                      <span
-                        className="text-muted-foreground cursor-pointer hover:text-primary"
-                        role="button"
-                        tabIndex={0}
-                        onKeyDown={handleKeyboardActivate}
-                        onClick={(e) => {
-                          e.stopPropagation();
-                          setSelectedPath({
-                            paths: [],
-                            senderInfo: selfSenderInfo,
-                            messageId: msg.id,
-                            isOutgoingChan: true,
-                          });
-                        }}
-                        title="Message status"
-                        aria-label="No echoes yet — view message status"
-                      >
-                        {' '}
-                        ?
-                      </span>
-                    ) : (
-                      <span className="text-muted-foreground" title="No repeats heard yet">
-                        {' '}
-                        ?
-                      </span>
-                    ))}
+                        <span className="text-muted-foreground" title="No repeats heard yet">
+                          {' '}
+                          ?
+                        </span>
+                      ))}
+                  </div>
                 </div>
               </div>
-            </div>
+            </Fragment>
           );
         })}
         {loadingNewer && (
@@ -775,6 +835,20 @@ export function MessageList({
       </div>
 
       {/* Scroll to bottom button */}
+      {showJumpToUnread && (
+        <div className="pointer-events-none absolute bottom-4 left-1/2 -translate-x-1/2">
+          <button
+            type="button"
+            onClick={() => {
+              unreadMarkerRef.current?.scrollIntoView?.({ block: 'center' });
+              setShowJumpToUnread(false);
+            }}
+            className="pointer-events-auto h-9 rounded-full bg-card hover:bg-accent border border-border px-3 text-sm font-medium shadow-lg transition-all hover:scale-105 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
+          >
+            Jump to unread
+          </button>
+        </div>
+      )}
       {showScrollToBottom && (
         <button
           onClick={scrollToBottom}

frontend/src/components/NewMessageModal.tsx

@@ -1,4 +1,5 @@
 import { useState, useRef } from 'react';
+import { Dice5 } from 'lucide-react';
 import type { Contact, Conversation } from '../types';
 import { getContactDisplayName } from '../utils/pubkey';
 import {
@@ -168,34 +169,40 @@ export function NewMessageModal({
 
           <TabsContent value="existing" className="mt-4">
             <div className="max-h-[300px] overflow-y-auto rounded-md border">
-              {contacts.length === 0 ? (
+              {contacts.filter((contact) => contact.public_key.length === 64).length === 0 ? (
                 <div className="p-4 text-center text-muted-foreground">No contacts available</div>
               ) : (
-                contacts.map((contact) => (
-                  <div
-                    key={contact.public_key}
-                    className="cursor-pointer px-4 py-2 hover:bg-accent focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-inset"
-                    role="button"
-                    tabIndex={0}
-                    onKeyDown={(e) => {
-                      if (e.key === 'Enter' || e.key === ' ') {
-                        e.preventDefault();
-                        (e.currentTarget as HTMLElement).click();
-                      }
-                    }}
-                    onClick={() => {
-                      onSelectConversation({
-                        type: 'contact',
-                        id: contact.public_key,
-                        name: getContactDisplayName(contact.name, contact.public_key),
-                      });
-                      resetForm();
-                      onClose();
-                    }}
-                  >
-                    {getContactDisplayName(contact.name, contact.public_key)}
-                  </div>
-                ))
+                contacts
+                  .filter((contact) => contact.public_key.length === 64)
+                  .map((contact) => (
+                    <div
+                      key={contact.public_key}
+                      className="cursor-pointer px-4 py-2 hover:bg-accent focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-inset"
+                      role="button"
+                      tabIndex={0}
+                      onKeyDown={(e) => {
+                        if (e.key === 'Enter' || e.key === ' ') {
+                          e.preventDefault();
+                          (e.currentTarget as HTMLElement).click();
+                        }
+                      }}
+                      onClick={() => {
+                        onSelectConversation({
+                          type: 'contact',
+                          id: contact.public_key,
+                          name: getContactDisplayName(
+                            contact.name,
+                            contact.public_key,
+                            contact.last_advert
+                          ),
+                        });
+                        resetForm();
+                        onClose();
+                      }}
+                    >
+                      {getContactDisplayName(contact.name, contact.public_key, contact.last_advert)}
+                    </div>
+                  ))
               )}
             </div>
           </TabsContent>
@@ -256,7 +263,7 @@ export function NewMessageModal({
                   title="Generate random key"
                   aria-label="Generate random key"
                 >
-                  <span aria-hidden="true">🎲</span>
+                  <Dice5 className="h-4 w-4" aria-hidden="true" />
                 </Button>
               </div>
             </div>

frontend/src/components/RepeaterDashboard.tsx

@@ -1,5 +1,7 @@
 import { toast } from './ui/sonner';
 import { Button } from './ui/button';
+import { Bell, Star, Trash2 } from 'lucide-react';
+import { DirectTraceIcon } from './DirectTraceIcon';
 import { RepeaterLogin } from './RepeaterLogin';
 import { useRepeaterDashboard } from '../hooks/useRepeaterDashboard';
 import { isFavorite } from '../utils/favorites';
@@ -24,10 +26,14 @@ interface RepeaterDashboardProps {
   conversation: Conversation;
   contacts: Contact[];
   favorites: Favorite[];
+  notificationsSupported: boolean;
+  notificationsEnabled: boolean;
+  notificationsPermission: NotificationPermission | 'unsupported';
   radioLat: number | null;
   radioLon: number | null;
   radioName: string | null;
   onTrace: () => void;
+  onToggleNotifications: () => void;
   onToggleFavorite: (type: 'channel' | 'contact', id: string) => void;
   onDeleteContact: (publicKey: string) => void;
 }
@@ -36,10 +42,14 @@ export function RepeaterDashboard({
   conversation,
   contacts,
   favorites,
+  notificationsSupported,
+  notificationsEnabled,
+  notificationsPermission,
   radioLat,
   radioLon,
   radioName,
   onTrace,
+  onToggleNotifications,
   onToggleFavorite,
   onDeleteContact,
 }: RepeaterDashboardProps) {
@@ -56,7 +66,8 @@ export function RepeaterDashboard({
     refreshPane,
     loadAll,
     sendConsoleCommand,
-    sendAdvert,
+    sendZeroHopAdvert,
+    sendFloodAdvert,
     rebootRepeater,
     syncClock,
   } = useRepeaterDashboard(conversation);
@@ -70,23 +81,33 @@ export function RepeaterDashboard({
   return (
     <div className="flex-1 flex flex-col min-h-0">
       {/* Header */}
-      <header className="flex justify-between items-start sm:items-center px-4 py-2.5 border-b border-border gap-2">
-        <span className="flex flex-wrap items-baseline gap-x-2 min-w-0 flex-1">
-          <span className="flex-shrink-0 font-semibold text-base">{conversation.name}</span>
-          <span
-            className="font-normal text-[11px] text-muted-foreground font-mono truncate cursor-pointer hover:text-primary transition-colors"
-            role="button"
-            tabIndex={0}
-            onKeyDown={handleKeyboardActivate}
-            onClick={() => {
-              navigator.clipboard.writeText(conversation.id);
-              toast.success('Contact key copied!');
-            }}
-            title="Click to copy"
-          >
-            {conversation.id}
+      <header className="flex justify-between items-start px-4 py-2.5 border-b border-border gap-2">
+        <span className="flex min-w-0 flex-1 flex-col">
+          <span className="flex min-w-0 flex-wrap items-baseline gap-x-2 gap-y-0.5">
+            <span className="flex min-w-0 flex-1 items-baseline gap-2">
+              <span className="min-w-0 flex-shrink truncate font-semibold text-base">
+                {conversation.name}
+              </span>
+              <span
+                className="min-w-0 flex-1 truncate font-mono text-[11px] text-muted-foreground transition-colors hover:text-primary"
+                role="button"
+                tabIndex={0}
+                onKeyDown={handleKeyboardActivate}
+                onClick={() => {
+                  navigator.clipboard.writeText(conversation.id);
+                  toast.success('Contact key copied!');
+                }}
+                title="Click to copy"
+              >
+                {conversation.id}
+              </span>
+            </span>
+            {contact && (
+              <span className="min-w-0 flex-none text-[11px] text-muted-foreground max-sm:basis-full">
+                <ContactStatusInfo contact={contact} ourLat={radioLat} ourLon={radioLon} />
+              </span>
+            )}
           </span>
-          {contact && <ContactStatusInfo contact={contact} ourLat={radioLat} ourLon={radioLon} />}
         </span>
         <div className="flex items-center gap-0.5 flex-shrink-0">
           {loggedIn && (
@@ -101,32 +122,65 @@ export function RepeaterDashboard({
             </Button>
           )}
           <button
-            className="p-1.5 rounded hover:bg-accent text-lg leading-none transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
+            className="p-1 rounded hover:bg-accent text-lg leading-none transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
             onClick={onTrace}
             title="Direct Trace"
             aria-label="Direct Trace"
           >
-            <span aria-hidden="true">&#x1F6CE;</span>
+            <DirectTraceIcon className="h-4 w-4 text-muted-foreground" />
           </button>
+          {notificationsSupported && (
+            <button
+              className="flex items-center gap-1 rounded px-1 py-1 hover:bg-accent text-lg leading-none transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
+              onClick={onToggleNotifications}
+              title={
+                notificationsEnabled
+                  ? 'Disable desktop notifications for this conversation'
+                  : notificationsPermission === 'denied'
+                    ? 'Notifications blocked by the browser'
+                    : 'Enable desktop notifications for this conversation'
+              }
+              aria-label={
+                notificationsEnabled
+                  ? 'Disable notifications for this conversation'
+                  : 'Enable notifications for this conversation'
+              }
+            >
+              <Bell
+                className={`h-4 w-4 ${notificationsEnabled ? 'text-status-connected' : 'text-muted-foreground'}`}
+                fill={notificationsEnabled ? 'currentColor' : 'none'}
+                aria-hidden="true"
+              />
+              {notificationsEnabled && (
+                <span className="hidden md:inline text-[11px] font-medium text-status-connected">
+                  Notifications On
+                </span>
+              )}
+            </button>
+          )}
           <button
-            className="p-1.5 rounded hover:bg-accent text-lg leading-none transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
+            className="p-1 rounded hover:bg-accent text-lg leading-none transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
             onClick={() => onToggleFavorite('contact', conversation.id)}
-            title={isFav ? 'Remove from favorites' : 'Add to favorites'}
+            title={
+              isFav
+                ? 'Remove from favorites. Favorite contacts stay loaded on the radio for ACK support.'
+                : 'Add to favorites. Favorite contacts stay loaded on the radio for ACK support.'
+            }
             aria-label={isFav ? 'Remove from favorites' : 'Add to favorites'}
           >
             {isFav ? (
-              <span className="text-favorite">&#9733;</span>
+              <Star className="h-4 w-4 fill-current text-favorite" aria-hidden="true" />
             ) : (
-              <span className="text-muted-foreground">&#9734;</span>
+              <Star className="h-4 w-4 text-muted-foreground" aria-hidden="true" />
             )}
           </button>
           <button
-            className="p-1.5 rounded hover:bg-destructive/10 text-muted-foreground hover:text-destructive text-lg leading-none transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
+            className="p-1 rounded hover:bg-destructive/10 text-muted-foreground hover:text-destructive text-lg leading-none transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
             onClick={() => onDeleteContact(conversation.id)}
             title="Delete"
             aria-label="Delete"
           >
-            <span aria-hidden="true">&#128465;</span>
+            <Trash2 className="h-4 w-4" aria-hidden="true" />
           </button>
         </div>
       </header>
@@ -196,7 +250,8 @@ export function RepeaterDashboard({
                   disabled={anyLoading}
                 />
                 <ActionsPane
-                  onSendAdvert={sendAdvert}
+                  onSendZeroHopAdvert={sendZeroHopAdvert}
+                  onSendFloodAdvert={sendFloodAdvert}
                   onSyncClock={syncClock}
                   onReboot={rebootRepeater}
                   consoleLoading={consoleLoading}

frontend/src/components/SearchView.tsx

@@ -19,6 +19,8 @@ interface SearchResult {
   sender_name: string | null;
 }
 
+const SEARCH_OPERATOR_RE = /(?<!\S)(user|channel):(?:"((?:[^"\\]|\\.)*)"|(\S+))/gi;
+
 export interface SearchNavigateTarget {
   id: number;
   type: 'PRIV' | 'CHAN';
@@ -30,6 +32,10 @@ export interface SearchViewProps {
   contacts: Contact[];
   channels: Channel[];
   onNavigateToMessage: (target: SearchNavigateTarget) => void;
+  prefillRequest?: {
+    query: string;
+    nonce: number;
+  } | null;
 }
 
 function highlightMatch(text: string, query: string): React.ReactNode[] {
@@ -53,7 +59,34 @@ function highlightMatch(text: string, query: string): React.ReactNode[] {
   return parts;
 }
 
-export function SearchView({ contacts, channels, onNavigateToMessage }: SearchViewProps) {
+function getHighlightQuery(query: string): string {
+  const fragments: string[] = [];
+  let lastIndex = 0;
+  let foundOperator = false;
+
+  for (const match of query.matchAll(SEARCH_OPERATOR_RE)) {
+    foundOperator = true;
+    fragments.push(query.slice(lastIndex, match.index));
+    lastIndex = (match.index ?? 0) + match[0].length;
+  }
+
+  if (!foundOperator) {
+    return query;
+  }
+
+  fragments.push(query.slice(lastIndex));
+  return fragments
+    .map((fragment) => fragment.trim())
+    .filter(Boolean)
+    .join(' ');
+}
+
+export function SearchView({
+  contacts,
+  channels,
+  onNavigateToMessage,
+  prefillRequest = null,
+}: SearchViewProps) {
   const [query, setQuery] = useState('');
   const [debouncedQuery, setDebouncedQuery] = useState('');
   const [results, setResults] = useState<SearchResult[]>([]);
@@ -62,6 +95,7 @@ export function SearchView({ contacts, channels, onNavigateToMessage }: SearchVi
   const [offset, setOffset] = useState(0);
   const abortRef = useRef<AbortController | null>(null);
   const inputRef = useRef<HTMLInputElement>(null);
+  const highlightQuery = getHighlightQuery(debouncedQuery);
 
   // Debounce query
   useEffect(() => {
@@ -78,6 +112,23 @@ export function SearchView({ contacts, channels, onNavigateToMessage }: SearchVi
     setHasMore(false);
   }, [debouncedQuery]);
 
+  useEffect(() => {
+    if (!prefillRequest) {
+      return;
+    }
+
+    const nextQuery = prefillRequest.query.trim();
+    setQuery(nextQuery);
+    setDebouncedQuery(nextQuery);
+    inputRef.current?.focus();
+  }, [prefillRequest]);
+
+  useEffect(() => {
+    return () => {
+      abortRef.current?.abort();
+    };
+  }, []);
+
   // Fetch search results
   useEffect(() => {
     if (!debouncedQuery) {
@@ -193,7 +244,16 @@ export function SearchView({ contacts, channels, onNavigateToMessage }: SearchVi
       <div className="flex-1 overflow-y-auto">
         {!debouncedQuery && (
           <div className="p-8 text-center text-muted-foreground text-sm">
-            Type to search across all messages
+            <p>Type to search across all messages</p>
+            <p className="mt-2 text-xs">
+              Tip: use <code>user:</code> or <code>channel:</code> for keys or names, and wrap names
+              with spaces in them in quotes.
+            </p>
+            <p className="mt-2 text-xs">
+              Warning: User-key linkage for group messages is best-effort and based on correlation
+              at advertise time. It does not account for multiple users with the same name, and
+              should be considered unreliable.
+            </p>
           </div>
         )}
 
@@ -246,7 +306,7 @@ export function SearchView({ contacts, channels, onNavigateToMessage }: SearchVi
                   result.sender_name && result.text.startsWith(`${result.sender_name}: `)
                     ? result.text.slice(result.sender_name.length + 2)
                     : result.text,
-                  debouncedQuery
+                  highlightQuery
                 )}
               </div>
             </div>

frontend/src/components/SettingsModal.tsx

@@ -7,7 +7,11 @@ import type {
   RadioConfigUpdate,
 } from '../types';
 import type { LocalLabel } from '../utils/localLabel';
-import { SETTINGS_SECTION_LABELS, type SettingsSection } from './settings/settingsConstants';
+import {
+  SETTINGS_SECTION_ICONS,
+  SETTINGS_SECTION_LABELS,
+  type SettingsSection,
+} from './settings/settingsConstants';
 
 import { SettingsRadioSection } from './settings/SettingsRadioSection';
 import { SettingsLocalSection } from './settings/SettingsLocalSection';
@@ -27,6 +31,8 @@ interface SettingsModalBaseProps {
   onSaveAppSettings: (update: AppSettingsUpdate) => Promise<void>;
   onSetPrivateKey: (key: string) => Promise<void>;
   onReboot: () => Promise<void>;
+  onDisconnect: () => Promise<void>;
+  onReconnect: () => Promise<void>;
   onAdvertise: () => Promise<void>;
   onHealthRefresh: () => Promise<void>;
   onRefreshAppSettings: () => Promise<void>;
@@ -55,6 +61,8 @@ export function SettingsModal(props: SettingsModalProps) {
     onSaveAppSettings,
     onSetPrivateKey,
     onReboot,
+    onDisconnect,
+    onReconnect,
     onAdvertise,
     onHealthRefresh,
     onRefreshAppSettings,
@@ -138,6 +146,7 @@ export function SettingsModal(props: SettingsModalProps) {
 
   const renderSectionHeader = (section: SettingsSection): ReactNode => {
     if (!showSectionButton) return null;
+    const Icon = SETTINGS_SECTION_ICONS[section];
     return (
       <button
         type="button"
@@ -145,8 +154,9 @@ export function SettingsModal(props: SettingsModalProps) {
         aria-expanded={expandedSections[section]}
         onClick={() => toggleSection(section)}
       >
-        <span className="font-medium" role="heading" aria-level={3}>
-          {SETTINGS_SECTION_LABELS[section]}
+        <span className="inline-flex items-center gap-2 font-medium" role="heading" aria-level={3}>
+          <Icon className="h-4 w-4 text-muted-foreground" aria-hidden="true" />
+          <span>{SETTINGS_SECTION_LABELS[section]}</span>
         </span>
         <span className="text-muted-foreground md:hidden" aria-hidden="true">
           {expandedSections[section] ? '−' : '+'}
@@ -176,6 +186,8 @@ export function SettingsModal(props: SettingsModalProps) {
               onSaveAppSettings={onSaveAppSettings}
               onSetPrivateKey={onSetPrivateKey}
               onReboot={onReboot}
+              onDisconnect={onDisconnect}
+              onReconnect={onReconnect}
               onAdvertise={onAdvertise}
               onClose={onClose}
               className={sectionContentClass}

frontend/src/components/Sidebar.tsx

@@ -1,4 +1,17 @@
 import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
+import {
+  Bell,
+  CheckCheck,
+  ChevronDown,
+  ChevronRight,
+  LockOpen,
+  Logs,
+  Map,
+  Search as SearchIcon,
+  SquarePen,
+  Waypoints,
+  X,
+} from 'lucide-react';
 import {
   CONTACT_TYPE_REPEATER,
   type Contact,
@@ -24,6 +37,7 @@ type ConversationRow = {
   name: string;
   unreadCount: number;
   isMention: boolean;
+  notificationsEnabled: boolean;
   contact?: Contact;
 };
 
@@ -81,6 +95,7 @@ interface SidebarProps {
   sortOrder?: SortOrder;
   /** Callback when sort order changes */
   onSortOrderChange?: (order: SortOrder) => void;
+  isConversationNotificationsEnabled?: (type: 'channel' | 'contact', id: string) => boolean;
 }
 
 export function Sidebar({
@@ -99,6 +114,7 @@ export function Sidebar({
   favorites,
   sortOrder: sortOrderProp = 'recent',
   onSortOrderChange,
+  isConversationNotificationsEnabled,
 }: SidebarProps) {
   const sortOrder = sortOrderProp;
   const [searchQuery, setSearchQuery] = useState('');
@@ -393,15 +409,18 @@ export function Sidebar({
     name: channel.name,
     unreadCount: getUnreadCount('channel', channel.key),
     isMention: hasMention('channel', channel.key),
+    notificationsEnabled: isConversationNotificationsEnabled?.('channel', channel.key) ?? false,
   });
 
   const buildContactRow = (contact: Contact, keyPrefix: string): ConversationRow => ({
     key: `${keyPrefix}-${contact.public_key}`,
     type: 'contact',
     id: contact.public_key,
-    name: getContactDisplayName(contact.name, contact.public_key),
+    name: getContactDisplayName(contact.name, contact.public_key, contact.last_advert),
     unreadCount: getUnreadCount('contact', contact.public_key),
     isMention: hasMention('contact', contact.public_key),
+    notificationsEnabled:
+      isConversationNotificationsEnabled?.('contact', contact.public_key) ?? false,
     contact,
   });
 
@@ -434,19 +453,26 @@ export function Sidebar({
         />
       )}
       <span className="name flex-1 truncate text-[13px]">{row.name}</span>
-      {row.unreadCount > 0 && (
-        <span
-          className={cn(
-            'text-[10px] font-semibold px-1.5 py-0.5 rounded-full min-w-[18px] text-center',
-            row.isMention
-              ? 'bg-badge-mention text-badge-mention-foreground'
-              : 'bg-badge-unread/90 text-badge-unread-foreground'
-          )}
-          aria-label={`${row.unreadCount} unread message${row.unreadCount !== 1 ? 's' : ''}`}
-        >
-          {row.unreadCount}
-        </span>
-      )}
+      <span className="ml-auto flex items-center gap-1">
+        {row.notificationsEnabled && (
+          <span aria-label="Notifications enabled" title="Notifications enabled">
+            <Bell className="h-3.5 w-3.5 text-muted-foreground" />
+          </span>
+        )}
+        {row.unreadCount > 0 && (
+          <span
+            className={cn(
+              'text-[10px] font-semibold px-1.5 py-0.5 rounded-full min-w-[18px] text-center',
+              row.isMention
+                ? 'bg-badge-mention text-badge-mention-foreground'
+                : 'bg-badge-unread/90 text-badge-unread-foreground'
+            )}
+            aria-label={`${row.unreadCount} unread message${row.unreadCount !== 1 ? 's' : ''}`}
+          >
+            {row.unreadCount}
+          </span>
+        )}
+      </span>
     </div>
   );
 
@@ -459,7 +485,7 @@ export function Sidebar({
   }: {
     key: string;
     active?: boolean;
-    icon: string;
+    icon: React.ReactNode;
     label: React.ReactNode;
     onClick: () => void;
   }) => (
@@ -475,10 +501,10 @@ export function Sidebar({
       onKeyDown={handleKeyboardActivate}
       onClick={onClick}
     >
-      <span className="text-muted-foreground text-xs" aria-hidden="true">
+      <span className="sidebar-tool-icon text-muted-foreground" aria-hidden="true">
         {icon}
       </span>
-      <span className="flex-1 truncate text-muted-foreground">{label}</span>
+      <span className="sidebar-tool-label flex-1 truncate text-muted-foreground">{label}</span>
     </div>
   );
 
@@ -507,7 +533,7 @@ export function Sidebar({
         renderSidebarActionRow({
           key: 'tool-raw',
           active: isActive('raw', 'raw'),
-          icon: '📡',
+          icon: <Logs className="h-4 w-4" />,
           label: 'Packet Feed',
           onClick: () =>
             handleSelectConversation({
@@ -519,7 +545,7 @@ export function Sidebar({
         renderSidebarActionRow({
           key: 'tool-map',
           active: isActive('map', 'map'),
-          icon: '🗺️',
+          icon: <Map className="h-4 w-4" />,
           label: 'Node Map',
           onClick: () =>
             handleSelectConversation({
@@ -531,7 +557,7 @@ export function Sidebar({
         renderSidebarActionRow({
           key: 'tool-visualizer',
           active: isActive('visualizer', 'visualizer'),
-          icon: '✨',
+          icon: <Waypoints className="h-4 w-4" />,
           label: 'Mesh Visualizer',
           onClick: () =>
             handleSelectConversation({
@@ -543,7 +569,7 @@ export function Sidebar({
         renderSidebarActionRow({
           key: 'tool-search',
           active: isActive('search', 'search'),
-          icon: '🔍',
+          icon: <SearchIcon className="h-4 w-4" />,
           label: 'Message Search',
           onClick: () =>
             handleSelectConversation({
@@ -555,7 +581,7 @@ export function Sidebar({
         renderSidebarActionRow({
           key: 'tool-cracker',
           active: showCracker,
-          icon: '🔓',
+          icon: <LockOpen className="h-4 w-4" />,
           label: (
             <>
               {showCracker ? 'Hide' : 'Show'} Room Finder
@@ -597,9 +623,11 @@ export function Sidebar({
           }}
           title={effectiveCollapsed ? `Expand ${title}` : `Collapse ${title}`}
         >
-          <span className="text-[9px]" aria-hidden="true">
-            {effectiveCollapsed ? '▸' : '▾'}
-          </span>
+          {effectiveCollapsed ? (
+            <ChevronRight className="h-3.5 w-3.5" aria-hidden="true" />
+          ) : (
+            <ChevronDown className="h-3.5 w-3.5" aria-hidden="true" />
+          )}
           <span>{title}</span>
         </button>
         {(showSortToggle || unreadCount > 0) && (
@@ -639,44 +667,39 @@ export function Sidebar({
       aria-label="Conversations"
     >
       {/* Header */}
-      <div className="flex justify-between items-center px-3 py-2.5 border-b border-border">
-        <h2 className="text-[10px] uppercase tracking-wider text-muted-foreground font-medium">
-          Conversations
-        </h2>
+      <div className="flex items-center gap-2 px-3 py-2 border-b border-border">
+        <div className="relative min-w-0 flex-1">
+          <Input
+            type="text"
+            placeholder="Search rooms/contacts..."
+            aria-label="Search conversations"
+            value={searchQuery}
+            onChange={(e) => setSearchQuery(e.target.value)}
+            className={cn('h-7 text-[13px] bg-background/50', searchQuery ? 'pr-8' : 'pr-3')}
+          />
+          {searchQuery && (
+            <button
+              className="absolute right-2 top-1/2 -translate-y-1/2 text-muted-foreground hover:text-foreground text-lg leading-none transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring rounded"
+              onClick={() => setSearchQuery('')}
+              title="Clear search"
+              aria-label="Clear search"
+            >
+              <X className="h-4 w-4" />
+            </button>
+          )}
+        </div>
         <Button
           variant="ghost"
           size="sm"
           onClick={onNewMessage}
           title="New Message"
           aria-label="New message"
-          className="h-6 w-6 p-0 text-muted-foreground hover:text-foreground transition-colors"
+          className="h-7 w-7 shrink-0 p-0 text-muted-foreground hover:text-foreground transition-colors"
         >
-          +
+          <SquarePen className="h-4 w-4" />
         </Button>
       </div>
 
-      {/* Search */}
-      <div className="relative px-3 py-2">
-        <Input
-          type="text"
-          placeholder="Search..."
-          aria-label="Search conversations"
-          value={searchQuery}
-          onChange={(e) => setSearchQuery(e.target.value)}
-          className="h-7 text-[13px] pr-8 bg-background/50"
-        />
-        {searchQuery && (
-          <button
-            className="absolute right-4 top-1/2 -translate-y-1/2 text-muted-foreground hover:text-foreground text-lg leading-none transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring rounded"
-            onClick={() => setSearchQuery('')}
-            title="Clear search"
-            aria-label="Clear search"
-          >
-            ×
-          </button>
-        )}
-      </div>
-
       {/* List */}
       <div className="flex-1 min-h-0 overflow-y-auto [contain:layout_paint]">
         {/* Tools */}
@@ -696,9 +719,7 @@ export function Sidebar({
             onKeyDown={handleKeyboardActivate}
             onClick={onMarkAllRead}
           >
-            <span className="text-muted-foreground text-xs" aria-hidden="true">
-              ✓
-            </span>
+            <CheckCheck className="h-4 w-4 text-muted-foreground" aria-hidden="true" />
             <span className="flex-1 truncate text-muted-foreground">Mark all as read</span>
           </div>
         )}

frontend/src/components/StatusBar.tsx

@@ -1,9 +1,10 @@
-import { useState } from 'react';
-import { Menu } from 'lucide-react';
+import { useEffect, useState } from 'react';
+import { Menu, Moon, Sun } from 'lucide-react';
 import type { HealthStatus, RadioConfig } from '../types';
 import { api } from '../api';
 import { toast } from './ui/sonner';
 import { handleKeyboardActivate } from '../utils/a11y';
+import { applyTheme, getSavedTheme, THEME_CHANGE_EVENT } from '../utils/theme';
 import { cn } from '@/lib/utils';
 
 interface StatusBarProps {
@@ -21,14 +22,38 @@ export function StatusBar({
   onSettingsClick,
   onMenuClick,
 }: StatusBarProps) {
+  const radioState =
+    health?.radio_state ??
+    (health?.radio_initializing
+      ? 'initializing'
+      : health?.radio_connected
+        ? 'connected'
+        : 'disconnected');
   const connected = health?.radio_connected ?? false;
-  const initializing = health?.radio_initializing ?? false;
-  const statusLabel = initializing
-    ? 'Radio Initializing'
-    : connected
-      ? 'Radio OK'
-      : 'Radio Disconnected';
+  const statusLabel =
+    radioState === 'paused'
+      ? 'Radio Paused'
+      : radioState === 'connecting'
+        ? 'Radio Connecting'
+        : radioState === 'initializing'
+          ? 'Radio Initializing'
+          : connected
+            ? 'Radio OK'
+            : 'Radio Disconnected';
   const [reconnecting, setReconnecting] = useState(false);
+  const [currentTheme, setCurrentTheme] = useState(getSavedTheme);
+
+  useEffect(() => {
+    const handleThemeChange = (event: Event) => {
+      const themeId = (event as CustomEvent<string>).detail;
+      setCurrentTheme(typeof themeId === 'string' && themeId ? themeId : getSavedTheme());
+    };
+
+    window.addEventListener(THEME_CHANGE_EVENT, handleThemeChange as EventListener);
+    return () => {
+      window.removeEventListener(THEME_CHANGE_EVENT, handleThemeChange as EventListener);
+    };
+  }, []);
 
   const handleReconnect = async () => {
     setReconnecting(true);
@@ -46,22 +71,28 @@ export function StatusBar({
     }
   };
 
+  const handleThemeToggle = () => {
+    const nextTheme = currentTheme === 'light' ? 'original' : 'light';
+    applyTheme(nextTheme);
+    setCurrentTheme(nextTheme);
+  };
+
   return (
     <header className="flex items-center gap-3 px-4 py-2.5 bg-card border-b border-border text-xs">
       {/* Mobile menu button - only visible on small screens */}
       {onMenuClick && (
         <button
           onClick={onMenuClick}
-          className="md:hidden p-1 bg-transparent border-none text-muted-foreground hover:text-foreground cursor-pointer transition-colors"
+          className="md:hidden p-0.5 bg-transparent border-none text-muted-foreground hover:text-foreground cursor-pointer transition-colors"
           aria-label="Open menu"
         >
-          <Menu className="h-5 w-5" />
+          <Menu className="h-4 w-4" />
         </button>
       )}
 
       <h1 className="text-base font-semibold tracking-tight mr-auto text-foreground flex items-center gap-1.5">
         <svg
-          className="h-5 w-5 shrink-0 text-white"
+          className="h-4 w-4 shrink-0 text-white"
           viewBox="0 0 512 512"
           fill="currentColor"
           aria-hidden="true"
@@ -77,7 +108,7 @@ export function StatusBar({
         <div
           className={cn(
             'w-2 h-2 rounded-full transition-colors',
-            initializing
+            radioState === 'initializing' || radioState === 'connecting'
               ? 'bg-warning'
               : connected
                 ? 'bg-status-connected shadow-[0_0_6px_hsl(var(--status-connected)/0.5)]'
@@ -108,13 +139,13 @@ export function StatusBar({
         </div>
       )}
 
-      {!connected && !initializing && (
+      {(radioState === 'disconnected' || radioState === 'paused') && (
         <button
           onClick={handleReconnect}
           disabled={reconnecting}
           className="px-3 py-1 bg-warning/10 border border-warning/20 text-warning rounded-md text-xs cursor-pointer hover:bg-warning/15 transition-colors disabled:opacity-50 disabled:cursor-not-allowed focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
         >
-          {reconnecting ? 'Reconnecting...' : 'Reconnect'}
+          {reconnecting ? 'Reconnecting...' : radioState === 'paused' ? 'Connect' : 'Reconnect'}
         </button>
       )}
       <button
@@ -128,6 +159,18 @@ export function StatusBar({
       >
         {settingsMode ? 'Back to Chat' : 'Settings'}
       </button>
+      <button
+        onClick={handleThemeToggle}
+        className="p-0.5 text-muted-foreground hover:text-foreground transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring rounded-sm"
+        title={currentTheme === 'light' ? 'Switch to classic theme' : 'Switch to light theme'}
+        aria-label={currentTheme === 'light' ? 'Switch to classic theme' : 'Switch to light theme'}
+      >
+        {currentTheme === 'light' ? (
+          <Moon className="h-4 w-4" aria-hidden="true" />
+        ) : (
+          <Sun className="h-4 w-4" aria-hidden="true" />
+        )}
+      </button>
     </header>
   );
 }

frontend/src/components/repeater/RepeaterActionsPane.tsx

@@ -2,12 +2,14 @@ import { useState, useCallback, useEffect } from 'react';
 import { Button } from '../ui/button';
 
 export function ActionsPane({
-  onSendAdvert,
+  onSendZeroHopAdvert,
+  onSendFloodAdvert,
   onSyncClock,
   onReboot,
   consoleLoading,
 }: {
-  onSendAdvert: () => void;
+  onSendZeroHopAdvert: () => void;
+  onSendFloodAdvert: () => void;
   onSyncClock: () => void;
   onReboot: () => void;
   consoleLoading: boolean;
@@ -36,8 +38,16 @@ export function ActionsPane({
         <h3 className="text-sm font-medium">Actions</h3>
       </div>
       <div className="p-3 flex flex-wrap gap-2">
-        <Button variant="outline" size="sm" onClick={onSendAdvert} disabled={consoleLoading}>
-          Send Advert
+        <Button variant="outline" size="sm" onClick={onSendZeroHopAdvert} disabled={consoleLoading}>
+          Zero Hop Advert
+        </Button>
+        <Button
+          variant="destructive"
+          size="sm"
+          onClick={onSendFloodAdvert}
+          disabled={consoleLoading}
+        >
+          Flood Advert
         </Button>
         <Button variant="outline" size="sm" onClick={onSyncClock} disabled={consoleLoading}>
           Sync Clock

frontend/src/components/repeater/repeaterPaneShared.tsx

@@ -80,6 +80,28 @@ export function formatAdvertInterval(val: string | null): string {
   return `${trimmed}h`;
 }
 
+function formatFetchedRelative(fetchedAt: number): string {
+  const elapsedSeconds = Math.max(0, Math.floor((Date.now() - fetchedAt) / 1000));
+
+  if (elapsedSeconds < 60) return 'Just now';
+
+  const elapsedMinutes = Math.floor(elapsedSeconds / 60);
+  if (elapsedMinutes < 60) {
+    return `${elapsedMinutes} minute${elapsedMinutes === 1 ? '' : 's'} ago`;
+  }
+
+  const elapsedHours = Math.floor(elapsedMinutes / 60);
+  return `${elapsedHours} hour${elapsedHours === 1 ? '' : 's'} ago`;
+}
+
+function formatFetchedTime(fetchedAt: number): string {
+  return new Date(fetchedAt).toLocaleTimeString([], {
+    hour: 'numeric',
+    minute: '2-digit',
+    second: '2-digit',
+  });
+}
+
 // --- Generic Pane Wrapper ---
 
 export function RepeaterPane({
@@ -99,10 +121,22 @@ export function RepeaterPane({
   className?: string;
   contentClassName?: string;
 }) {
+  const fetchedAt = state.fetched_at ?? null;
+
   return (
     <div className={cn('border border-border rounded-lg overflow-hidden', className)}>
       <div className="flex items-center justify-between px-3 py-2 bg-muted/50 border-b border-border">
-        <h3 className="text-sm font-medium">{title}</h3>
+        <div className="min-w-0">
+          <h3 className="text-sm font-medium">{title}</h3>
+          {fetchedAt && (
+            <p
+              className="text-[11px] text-muted-foreground"
+              title={new Date(fetchedAt).toLocaleString()}
+            >
+              Fetched {formatFetchedTime(fetchedAt)} ({formatFetchedRelative(fetchedAt)})
+            </p>
+          )}
+        </div>
         {onRefresh && (
           <button
             type="button"

frontend/src/components/settings/SettingsFanoutSection.tsx

@@ -18,6 +18,7 @@ const TYPE_LABELS: Record<string, string> = {
   bot: 'Bot',
   webhook: 'Webhook',
   apprise: 'Apprise',
+  sqs: 'Amazon SQS',
 };
 
 const TYPE_OPTIONS = [
@@ -26,6 +27,7 @@ const TYPE_OPTIONS = [
   { value: 'bot', label: 'Bot' },
   { value: 'webhook', label: 'Webhook' },
   { value: 'apprise', label: 'Apprise' },
+  { value: 'sqs', label: 'Amazon SQS' },
 ];
 
 const DEFAULT_COMMUNITY_PACKET_TOPIC_TEMPLATE = 'meshcore/{IATA}/{PUBLIC_KEY}/packets';
@@ -60,41 +62,45 @@ function formatAppriseTargets(urls: string | undefined, maxLength = 80) {
   return `${joined.slice(0, maxLength - 3)}...`;
 }
 
+function formatSqsQueueSummary(config: Record<string, unknown>) {
+  const queueUrl = ((config.queue_url as string) || '').trim();
+  if (!queueUrl) return 'No queue configured';
+  return queueUrl;
+}
+
 function getDefaultIntegrationName(type: string, configs: FanoutConfig[]) {
   const label = TYPE_LABELS[type] || type;
   const nextIndex = configs.filter((cfg) => cfg.type === type).length + 1;
   return `${label} #${nextIndex}`;
 }
 
-const DEFAULT_BOT_CODE = `def bot(
-    sender_name: str | None,
-    sender_key: str | None,
-    message_text: str,
-    is_dm: bool,
-    channel_key: str | None,
-    channel_name: str | None,
-    sender_timestamp: int | None,
-    path: str | None,
-    is_outgoing: bool = False,
-) -> str | list[str] | None:
+const DEFAULT_BOT_CODE = `def bot(**kwargs) -> str | list[str] | None:
     """
     Process messages and optionally return a reply.
 
     Args:
-        sender_name: Display name of sender (may be None)
-        sender_key: 64-char hex public key (None for channel msgs)
-        message_text: The message content
-        is_dm: True for direct messages, False for channel
-        channel_key: 32-char hex key for channels, None for DMs
-        channel_name: Channel name with hash (e.g. "#bot"), None for DMs
-        sender_timestamp: Sender's timestamp (unix seconds, may be None)
-        path: Hex-encoded routing path (may be None)
-        is_outgoing: True if this is our own outgoing message
+        kwargs keys currently provided:
+            sender_name: Display name of sender (may be None)
+            sender_key: 64-char hex public key (None for channel msgs)
+            message_text: The message content
+            is_dm: True for direct messages, False for channel
+            channel_key: 32-char hex key for channels, None for DMs
+            channel_name: Channel name with hash (e.g. "#bot"), None for DMs
+            sender_timestamp: Sender's timestamp (unix seconds, may be None)
+            path: Hex-encoded routing path (may be None)
+            is_outgoing: True if this is our own outgoing message
+            path_bytes_per_hop: Bytes per hop in path (1, 2, or 3) when known
 
     Returns:
         None for no reply, a string for a single reply,
         or a list of strings to send multiple messages in order
     """
+    sender_name = kwargs.get("sender_name")
+    message_text = kwargs.get("message_text", "")
+    channel_name = kwargs.get("channel_name")
+    is_outgoing = kwargs.get("is_outgoing", False)
+    path_bytes_per_hop = kwargs.get("path_bytes_per_hop")
+
     # Don't reply to our own outgoing messages
     if is_outgoing:
         return None
@@ -998,6 +1004,111 @@ function WebhookConfigEditor({
   );
 }
 
+function SqsConfigEditor({
+  config,
+  scope,
+  onChange,
+  onScopeChange,
+}: {
+  config: Record<string, unknown>;
+  scope: Record<string, unknown>;
+  onChange: (config: Record<string, unknown>) => void;
+  onScopeChange: (scope: Record<string, unknown>) => void;
+}) {
+  return (
+    <div className="space-y-3">
+      <p className="text-xs text-muted-foreground">
+        Send matched mesh events to an Amazon SQS queue for durable processing by workers, Lambdas,
+        or downstream automation.
+      </p>
+
+      <div className="rounded-md border border-warning/50 bg-warning/10 px-3 py-2 text-xs text-warning">
+        Outgoing messages and any selected raw packets will be delivered exactly as forwarded by the
+        fanout scope, including decrypted/plaintext message content.
+      </div>
+
+      <div className="space-y-2">
+        <Label htmlFor="fanout-sqs-queue-url">Queue URL</Label>
+        <Input
+          id="fanout-sqs-queue-url"
+          type="url"
+          placeholder="https://sqs.us-east-1.amazonaws.com/123456789012/mesh-events"
+          value={(config.queue_url as string) || ''}
+          onChange={(e) => onChange({ ...config, queue_url: e.target.value })}
+        />
+      </div>
+
+      <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
+        <div className="space-y-2">
+          <Label htmlFor="fanout-sqs-region">Region (optional)</Label>
+          <Input
+            id="fanout-sqs-region"
+            type="text"
+            placeholder="us-east-1"
+            value={(config.region_name as string) || ''}
+            onChange={(e) => onChange({ ...config, region_name: e.target.value })}
+          />
+        </div>
+        <div className="space-y-2">
+          <Label htmlFor="fanout-sqs-endpoint">Endpoint URL (optional)</Label>
+          <Input
+            id="fanout-sqs-endpoint"
+            type="url"
+            placeholder="http://localhost:4566"
+            value={(config.endpoint_url as string) || ''}
+            onChange={(e) => onChange({ ...config, endpoint_url: e.target.value })}
+          />
+          <p className="text-xs text-muted-foreground">Useful for LocalStack or custom endpoints</p>
+        </div>
+      </div>
+
+      <Separator />
+
+      <div className="space-y-2">
+        <Label>Static Credentials (optional)</Label>
+        <p className="text-xs text-muted-foreground">
+          Leave blank to use the server&apos;s normal AWS credential chain.
+        </p>
+      </div>
+
+      <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
+        <div className="space-y-2">
+          <Label htmlFor="fanout-sqs-access-key">Access Key ID</Label>
+          <Input
+            id="fanout-sqs-access-key"
+            type="text"
+            value={(config.access_key_id as string) || ''}
+            onChange={(e) => onChange({ ...config, access_key_id: e.target.value })}
+          />
+        </div>
+        <div className="space-y-2">
+          <Label htmlFor="fanout-sqs-secret-key">Secret Access Key</Label>
+          <Input
+            id="fanout-sqs-secret-key"
+            type="password"
+            value={(config.secret_access_key as string) || ''}
+            onChange={(e) => onChange({ ...config, secret_access_key: e.target.value })}
+          />
+        </div>
+      </div>
+
+      <div className="space-y-2">
+        <Label htmlFor="fanout-sqs-session-token">Session Token (optional)</Label>
+        <Input
+          id="fanout-sqs-session-token"
+          type="password"
+          value={(config.session_token as string) || ''}
+          onChange={(e) => onChange({ ...config, session_token: e.target.value })}
+        />
+      </div>
+
+      <Separator />
+
+      <ScopeSelector scope={scope} onChange={onScopeChange} showRawPackets />
+    </div>
+  );
+}
+
 export function SettingsFanoutSection({
   health,
   onHealthRefresh,
@@ -1208,6 +1319,14 @@ export function SettingsFanoutSection({
         preserve_identity: true,
         include_path: true,
       },
+      sqs: {
+        queue_url: '',
+        region_name: '',
+        endpoint_url: '',
+        access_key_id: '',
+        secret_access_key: '',
+        session_token: '',
+      },
     };
     const defaultScopes: Record<string, Record<string, unknown>> = {
       mqtt_private: { messages: 'all', raw_packets: 'all' },
@@ -1215,6 +1334,7 @@ export function SettingsFanoutSection({
       bot: { messages: 'all', raw_packets: 'none' },
       webhook: { messages: 'all', raw_packets: 'none' },
       apprise: { messages: 'all', raw_packets: 'none' },
+      sqs: { messages: 'all', raw_packets: 'none' },
     };
     setAddMenuOpen(false);
     setEditingId(null);
@@ -1296,6 +1416,15 @@ export function SettingsFanoutSection({
           />
         )}
 
+        {detailType === 'sqs' && (
+          <SqsConfigEditor
+            config={editConfig}
+            scope={editScope}
+            onChange={setEditConfig}
+            onScopeChange={setEditScope}
+          />
+        )}
+
         <Separator />
 
         <div className="flex gap-2">
@@ -1328,7 +1457,8 @@ export function SettingsFanoutSection({
   return (
     <div className={cn('mx-auto w-full max-w-[800px] space-y-4', className)}>
       <div className="rounded-md border border-warning/50 bg-warning/10 px-4 py-3 text-sm text-warning">
-        Integrations are an experimental feature in open beta.
+        Integrations are an experimental feature in open beta, and allow you to fanout raw and
+        decrypted messages across multiple services for automation, analysis, or archiving.
       </div>
 
       {health?.bots_disabled && (
@@ -1520,6 +1650,17 @@ export function SettingsFanoutSection({
                           </div>
                         </div>
                       )}
+
+                      {cfg.type === 'sqs' && (
+                        <div className="space-y-1 border-t border-input px-3 py-2 text-xs text-muted-foreground">
+                          <div className="break-all">
+                            Queue:{' '}
+                            <code>
+                              {formatSqsQueueSummary(cfg.config as Record<string, unknown>)}
+                            </code>
+                          </div>
+                        </div>
+                      )}
                     </div>
                   );
                 })}

frontend/src/components/settings/SettingsLocalSection.tsx

@@ -1,7 +1,9 @@
 import { useState } from 'react';
+import { Logs, MessageSquare } from 'lucide-react';
 import { Input } from '../ui/input';
 import { Label } from '../ui/label';
 import { Separator } from '../ui/separator';
+import { ContactAvatar } from '../ContactAvatar';
 import {
   captureLastViewedConversationFromHash,
   getReopenLastConversationEnabled,
@@ -40,6 +42,7 @@ export function SettingsLocalSection({
       <div className="space-y-1">
         <Label>Color Scheme</Label>
         <ThemeSelector />
+        <ThemePreview className="mt-6" />
       </div>
 
       <Separator />
@@ -91,3 +94,131 @@ export function SettingsLocalSection({
     </div>
   );
 }
+
+function ThemePreview({ className }: { className?: string }) {
+  return (
+    <div className={`rounded-lg border border-border bg-card p-3 ${className ?? ''}`}>
+      <p className="text-xs text-muted-foreground mb-3">
+        Preview alert, message, sidebar, and badge contrast for the selected theme.
+      </p>
+
+      <div className="space-y-2">
+        <PreviewBanner className="border border-status-connected/30 bg-status-connected/15 text-status-connected">
+          Connected preview: radio link healthy and syncing.
+        </PreviewBanner>
+        <PreviewBanner className="border border-warning/50 bg-warning/10 text-warning">
+          Warning preview: packet audit suggests missing history.
+        </PreviewBanner>
+        <PreviewBanner className="border border-destructive/30 bg-destructive/10 text-destructive">
+          Error preview: radio reconnect failed.
+        </PreviewBanner>
+      </div>
+
+      <div className="mt-4 space-y-2">
+        <PreviewMessage
+          sender="Alice"
+          bubbleClassName="bg-msg-incoming text-foreground"
+          text="Hello, mesh!"
+        />
+        <PreviewMessage
+          sender="You"
+          alignRight
+          bubbleClassName="bg-msg-outgoing text-foreground"
+          text="Hi there! I'm using RemoteTerm."
+        />
+      </div>
+
+      <div className="mt-4 rounded-md border border-border bg-background p-2">
+        <p className="mb-2 text-[11px] font-medium text-muted-foreground">Sidebar preview</p>
+        <div className="space-y-1">
+          <PreviewSidebarRow
+            active
+            leading={
+              <span
+                className="flex h-6 w-6 items-center justify-center rounded-md bg-primary/10 text-primary"
+                aria-hidden="true"
+              >
+                <Logs className="h-3.5 w-3.5" />
+              </span>
+            }
+            label="Packet Feed"
+          />
+          <PreviewSidebarRow
+            leading={<ContactAvatar name="Alice" publicKey={'ab'.repeat(32)} size={24} />}
+            label="Alice"
+            badge={
+              <span className="rounded-full bg-badge-unread/90 px-1.5 py-0.5 text-[10px] font-semibold text-badge-unread-foreground">
+                3
+              </span>
+            }
+          />
+          <PreviewSidebarRow
+            leading={<ContactAvatar name="Mesh Ops" publicKey={'cd'.repeat(32)} size={24} />}
+            label="Mesh Ops"
+            badge={
+              <span className="rounded-full bg-badge-mention px-1.5 py-0.5 text-[10px] font-semibold text-badge-mention-foreground">
+                @2
+              </span>
+            }
+          />
+        </div>
+      </div>
+    </div>
+  );
+}
+
+function PreviewBanner({ children, className }: { children: React.ReactNode; className: string }) {
+  return <div className={`rounded-md px-3 py-2 text-xs ${className}`}>{children}</div>;
+}
+
+function PreviewMessage({
+  sender,
+  text,
+  bubbleClassName,
+  alignRight = false,
+}: {
+  sender: string;
+  text: string;
+  bubbleClassName: string;
+  alignRight?: boolean;
+}) {
+  return (
+    <div className={`flex ${alignRight ? 'justify-end' : 'justify-start'}`}>
+      <div className={`max-w-[85%] ${alignRight ? 'items-end' : 'items-start'} flex flex-col`}>
+        <span className="mb-1 text-[11px] text-muted-foreground">{sender}</span>
+        <div className={`rounded-2xl px-3 py-2 text-sm break-words ${bubbleClassName}`}>{text}</div>
+      </div>
+    </div>
+  );
+}
+
+function PreviewSidebarRow({
+  leading,
+  label,
+  badge,
+  active = false,
+}: {
+  leading: React.ReactNode;
+  label: string;
+  badge?: React.ReactNode;
+  active?: boolean;
+}) {
+  return (
+    <div
+      className={`flex items-center gap-2 rounded-md border-l-2 px-3 py-2 text-[13px] ${
+        active ? 'border-l-primary bg-accent text-foreground' : 'border-l-transparent'
+      }`}
+    >
+      {leading}
+      <span className={`min-w-0 flex-1 truncate ${active ? 'font-medium' : 'text-foreground'}`}>
+        {label}
+      </span>
+      {badge}
+      {!badge && (
+        <span className="text-muted-foreground" aria-hidden="true">
+          <MessageSquare className="h-3.5 w-3.5" />
+        </span>
+      )}
+    </div>
+  );
+}

frontend/src/components/settings/SettingsRadioSection.tsx

@@ -1,4 +1,5 @@
 import { useState, useEffect, useMemo } from 'react';
+import { MapPinned } from 'lucide-react';
 import { Input } from '../ui/input';
 import { Label } from '../ui/label';
 import { Button } from '../ui/button';
@@ -23,6 +24,8 @@ export function SettingsRadioSection({
   onSaveAppSettings,
   onSetPrivateKey,
   onReboot,
+  onDisconnect,
+  onReconnect,
   onAdvertise,
   onClose,
   className,
@@ -35,6 +38,8 @@ export function SettingsRadioSection({
   onSaveAppSettings: (update: AppSettingsUpdate) => Promise<void>;
   onSetPrivateKey: (key: string) => Promise<void>;
   onReboot: () => Promise<void>;
+  onDisconnect: () => Promise<void>;
+  onReconnect: () => Promise<void>;
   onAdvertise: () => Promise<void>;
   onClose: () => void;
   className?: string;
@@ -49,6 +54,7 @@ export function SettingsRadioSection({
   const [sf, setSf] = useState('');
   const [cr, setCr] = useState('');
   const [pathHashMode, setPathHashMode] = useState('0');
+  const [advertLocationSource, setAdvertLocationSource] = useState<'off' | 'current'>('current');
   const [gettingLocation, setGettingLocation] = useState(false);
   const [busy, setBusy] = useState(false);
   const [rebooting, setRebooting] = useState(false);
@@ -69,6 +75,7 @@ export function SettingsRadioSection({
 
   // Advertise state
   const [advertising, setAdvertising] = useState(false);
+  const [connectionBusy, setConnectionBusy] = useState(false);
 
   useEffect(() => {
     setName(config.name);
@@ -80,6 +87,7 @@ export function SettingsRadioSection({
     setSf(String(config.radio.sf));
     setCr(String(config.radio.cr));
     setPathHashMode(String(config.path_hash_mode));
+    setAdvertLocationSource(config.advert_location_source ?? 'current');
   }, [config]);
 
   useEffect(() => {
@@ -169,6 +177,9 @@ export function SettingsRadioSection({
       lat: parsedLat,
       lon: parsedLon,
       tx_power: parsedTxPower,
+      ...(advertLocationSource !== (config.advert_location_source ?? 'current')
+        ? { advert_location_source: advertLocationSource }
+        : {}),
       radio: {
         freq: parsedFreq,
         bw: parsedBw,
@@ -284,24 +295,82 @@ export function SettingsRadioSection({
     }
   };
 
+  const radioState =
+    health?.radio_state ?? (health?.radio_initializing ? 'initializing' : 'disconnected');
+  const connectionActionLabel =
+    radioState === 'paused'
+      ? 'Reconnect'
+      : radioState === 'connected' || radioState === 'initializing'
+        ? 'Disconnect'
+        : 'Stop Trying';
+
+  const connectionStatusLabel =
+    radioState === 'connected'
+      ? health?.connection_info || 'Connected'
+      : radioState === 'initializing'
+        ? `Initializing ${health?.connection_info || 'radio'}`
+        : radioState === 'connecting'
+          ? `Attempting to connect${health?.connection_info ? ` to ${health.connection_info}` : ''}`
+          : radioState === 'paused'
+            ? `Connection paused${health?.connection_info ? ` (${health.connection_info})` : ''}`
+            : 'Not connected';
+
+  const handleConnectionAction = async () => {
+    setConnectionBusy(true);
+    try {
+      if (radioState === 'paused') {
+        await onReconnect();
+        toast.success('Reconnect requested');
+      } else {
+        await onDisconnect();
+        toast.success('Radio connection paused');
+      }
+    } catch (err) {
+      toast.error('Failed to change radio connection state', {
+        description: err instanceof Error ? err.message : 'Check radio connection and try again',
+      });
+    } finally {
+      setConnectionBusy(false);
+    }
+  };
+
   return (
     <div className={className}>
       {/* Connection display */}
-      <div className="space-y-2">
+      <div className="space-y-3">
         <Label>Connection</Label>
-        {health?.connection_info ? (
-          <div className="flex items-center gap-2">
-            <div className="w-2 h-2 rounded-full bg-status-connected" />
-            <code className="px-2 py-1 bg-muted rounded text-foreground text-sm">
-              {health.connection_info}
-            </code>
-          </div>
-        ) : (
-          <div className="flex items-center gap-2 text-muted-foreground">
-            <div className="w-2 h-2 rounded-full bg-status-disconnected" />
-            <span>Not connected</span>
-          </div>
-        )}
+        <div className="flex items-center gap-2">
+          <div
+            className={`w-2 h-2 rounded-full ${
+              radioState === 'connected'
+                ? 'bg-status-connected'
+                : radioState === 'initializing' || radioState === 'connecting'
+                  ? 'bg-warning'
+                  : 'bg-status-disconnected'
+            }`}
+          />
+          <span
+            className={
+              radioState === 'paused' || radioState === 'disconnected'
+                ? 'text-muted-foreground'
+                : ''
+            }
+          >
+            {connectionStatusLabel}
+          </span>
+        </div>
+        <Button
+          type="button"
+          variant="outline"
+          onClick={handleConnectionAction}
+          disabled={connectionBusy}
+          className="w-full"
+        >
+          {connectionBusy ? `${connectionActionLabel}...` : connectionActionLabel}
+        </Button>
+        <p className="text-xs text-muted-foreground">
+          Disconnect pauses automatic reconnect attempts so another device can use the radio.
+        </p>
       </div>
 
       {/* Radio Name */}
@@ -406,7 +475,14 @@ export function SettingsRadioSection({
             onClick={handleGetLocation}
             disabled={gettingLocation}
           >
-            {gettingLocation ? 'Getting...' : '📍 Use My Location'}
+            {gettingLocation ? (
+              'Getting...'
+            ) : (
+              <>
+                <MapPinned className="mr-1.5 h-4 w-4" aria-hidden="true" />
+                Use My Location
+              </>
+            )}
           </Button>
         </div>
         <div className="grid grid-cols-2 gap-4">
@@ -435,6 +511,25 @@ export function SettingsRadioSection({
             />
           </div>
         </div>
+        <div className="space-y-2">
+          <Label htmlFor="advert-location-source">Advert Location Source</Label>
+          <select
+            id="advert-location-source"
+            value={advertLocationSource}
+            onChange={(e) => setAdvertLocationSource(e.target.value as 'off' | 'current')}
+            className="w-full h-10 px-3 rounded-md border border-input bg-background text-sm ring-offset-background focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2"
+          >
+            <option value="off">Off</option>
+            <option value="current">Include Node Location</option>
+          </select>
+          <p className="text-xs text-muted-foreground">
+            Companion-radio firmware does not distinguish between saved coordinates and live GPS
+            here. When enabled, adverts include the node&apos;s current location state. That may be
+            the last coordinates you set from RemoteTerm or live GPS coordinates if the node itself
+            is already updating them. RemoteTerm cannot enable GPS on the node through the interface
+            library.
+          </p>
+        </div>
       </div>
 
       {config.path_hash_mode_supported && (
@@ -452,7 +547,7 @@ export function SettingsRadioSection({
               <option value="1">2 bytes</option>
               <option value="2">3 bytes</option>
             </select>
-            <div className="rounded-md border border-amber-500/50 bg-amber-500/10 p-3 text-xs text-amber-200">
+            <div className="rounded-md border border-warning/50 bg-warning/10 p-3 text-xs text-warning">
               <p className="font-semibold mb-1">Compatibility Warning</p>
               <p>
                 ALL nodes along a message&apos;s route &mdash; your radio, every repeater, and the
@@ -575,8 +670,8 @@ export function SettingsRadioSection({
           onChange={(e) => setMaxRadioContacts(e.target.value)}
         />
         <p className="text-xs text-muted-foreground">
-          Favorite contacts load first, then recent non-repeater contacts until this limit is
-          reached (1-1000)
+          Configured radio contact capacity. Favorites reload first, then background maintenance
+          refills to about 80% of this value and offloads once occupancy reaches about 95%.
         </p>
       </div>
 

frontend/src/components/settings/ThemeSelector.tsx

@@ -25,13 +25,13 @@ export function ThemeSelector() {
   };
 
   return (
-    <fieldset className="flex flex-wrap gap-2">
+    <fieldset className="flex flex-wrap gap-2 md:grid md:grid-cols-4">
       <legend className="sr-only">Color theme</legend>
       {THEMES.map((theme) => (
         <label
           key={theme.id}
           className={
-            'flex items-center gap-2 px-2 py-1.5 rounded-md cursor-pointer border transition-colors focus-within:ring-2 focus-within:ring-ring ' +
+            'flex items-center gap-2 px-2 py-1.5 rounded-md cursor-pointer border transition-colors focus-within:ring-2 focus-within:ring-ring md:w-full ' +
             (current === theme.id
               ? 'border-primary bg-primary/5'
               : 'border-transparent hover:bg-accent/50')

frontend/src/components/settings/settingsConstants.ts

@@ -1,3 +1,13 @@
+import {
+  BarChart3,
+  Database,
+  Info,
+  MonitorCog,
+  RadioTower,
+  Share2,
+  type LucideIcon,
+} from 'lucide-react';
+
 export type SettingsSection = 'radio' | 'local' | 'database' | 'fanout' | 'statistics' | 'about';
 
 export const SETTINGS_SECTION_ORDER: SettingsSection[] = [
@@ -10,10 +20,19 @@ export const SETTINGS_SECTION_ORDER: SettingsSection[] = [
 ];
 
 export const SETTINGS_SECTION_LABELS: Record<SettingsSection, string> = {
-  radio: '📻 Radio',
-  local: '🖥️ Local Configuration',
-  database: '🗄️ Database & Messaging',
-  fanout: '📤 MQTT & Automation',
-  statistics: '📊 Statistics',
+  radio: 'Radio',
+  local: 'Local Configuration',
+  database: 'Database & Messaging',
+  fanout: 'MQTT & Automation',
+  statistics: 'Statistics',
   about: 'About',
 };
+
+export const SETTINGS_SECTION_ICONS: Record<SettingsSection, LucideIcon> = {
+  radio: RadioTower,
+  local: MonitorCog,
+  database: Database,
+  fanout: Share2,
+  statistics: BarChart3,
+  about: Info,
+};

frontend/src/components/visualizer/VisualizerControls.tsx

@@ -298,7 +298,7 @@ export function VisualizerControls({
                 </button>
                 <button
                   onClick={onClearAndReset}
-                  className="mt-1 px-3 py-1.5 bg-yellow-500/20 hover:bg-yellow-500/30 text-yellow-500 rounded text-xs transition-colors"
+                  className="mt-1 rounded border border-warning/40 bg-warning/10 px-3 py-1.5 text-warning text-xs transition-colors hover:bg-warning/20"
                   title="Clear all nodes and links from the visualization - packets are preserved"
                 >
                   Clear &amp; Reset

frontend/src/hooks/index.ts

@@ -9,3 +9,4 @@ export { useContactsAndChannels } from './useContactsAndChannels';
 export { useRealtimeAppState } from './useRealtimeAppState';
 export { useConversationActions } from './useConversationActions';
 export { useConversationNavigation } from './useConversationNavigation';
+export { useBrowserNotifications } from './useBrowserNotifications';

frontend/src/hooks/useBrowserNotifications.ts

@@ -0,0 +1,207 @@
+import { useCallback, useEffect, useState } from 'react';
+import { toast } from '../components/ui/sonner';
+import type { Message } from '../types';
+import { getStateKey } from '../utils/conversationState';
+
+const STORAGE_KEY = 'meshcore_browser_notifications_enabled_by_conversation';
+const NOTIFICATION_ICON_PATH = '/favicon-256x256.png';
+
+type NotificationPermissionState = NotificationPermission | 'unsupported';
+type ConversationNotificationMap = Record<string, boolean>;
+
+function getConversationNotificationKey(type: 'channel' | 'contact', id: string): string {
+  return getStateKey(type, id);
+}
+
+function readStoredEnabledMap(): ConversationNotificationMap {
+  if (typeof window === 'undefined') {
+    return {};
+  }
+  try {
+    const raw = window.localStorage.getItem(STORAGE_KEY);
+    if (!raw) {
+      return {};
+    }
+    const parsed = JSON.parse(raw) as unknown;
+    if (!parsed || typeof parsed !== 'object') {
+      return {};
+    }
+    return Object.fromEntries(
+      Object.entries(parsed).filter(([key, value]) => typeof key === 'string' && value === true)
+    );
+  } catch {
+    return {};
+  }
+}
+
+function writeStoredEnabledMap(enabledByConversation: ConversationNotificationMap) {
+  if (typeof window === 'undefined') {
+    return;
+  }
+  window.localStorage.setItem(STORAGE_KEY, JSON.stringify(enabledByConversation));
+}
+
+function getInitialPermission(): NotificationPermissionState {
+  if (typeof window === 'undefined' || !('Notification' in window)) {
+    return 'unsupported';
+  }
+  return window.Notification.permission;
+}
+
+function shouldShowDesktopNotification(): boolean {
+  if (typeof document === 'undefined') {
+    return false;
+  }
+  return document.visibilityState !== 'visible' || !document.hasFocus();
+}
+
+function getMessageConversationNotificationKey(message: Message): string | null {
+  if (message.type === 'PRIV' && message.conversation_key) {
+    return getConversationNotificationKey('contact', message.conversation_key);
+  }
+  if (message.type === 'CHAN' && message.conversation_key) {
+    return getConversationNotificationKey('channel', message.conversation_key);
+  }
+  return null;
+}
+
+function buildNotificationTitle(message: Message): string {
+  if (message.type === 'PRIV') {
+    return message.sender_name
+      ? `New message from ${message.sender_name}`
+      : `New message from ${message.conversation_key.slice(0, 12)}`;
+  }
+
+  const roomName = message.channel_name || message.conversation_key.slice(0, 8);
+  return `New message in ${roomName}`;
+}
+
+function buildPreviewNotificationTitle(type: 'channel' | 'contact', label: string): string {
+  return type === 'contact' ? `New message from ${label}` : `New message in ${label}`;
+}
+
+function buildMessageNotificationHash(message: Message): string | null {
+  if (message.type === 'PRIV' && message.conversation_key) {
+    const label = message.sender_name || message.conversation_key.slice(0, 12);
+    return `#contact/${encodeURIComponent(message.conversation_key)}/${encodeURIComponent(label)}`;
+  }
+  if (message.type === 'CHAN' && message.conversation_key) {
+    const label = message.channel_name || message.conversation_key.slice(0, 8);
+    return `#channel/${encodeURIComponent(message.conversation_key)}/${encodeURIComponent(label)}`;
+  }
+  return null;
+}
+
+export function useBrowserNotifications() {
+  const [permission, setPermission] = useState<NotificationPermissionState>(getInitialPermission);
+  const [enabledByConversation, setEnabledByConversation] =
+    useState<ConversationNotificationMap>(readStoredEnabledMap);
+
+  useEffect(() => {
+    setPermission(getInitialPermission());
+  }, []);
+
+  const isConversationNotificationsEnabled = useCallback(
+    (type: 'channel' | 'contact', id: string) =>
+      permission === 'granted' &&
+      enabledByConversation[getConversationNotificationKey(type, id)] === true,
+    [enabledByConversation, permission]
+  );
+
+  const toggleConversationNotifications = useCallback(
+    async (type: 'channel' | 'contact', id: string, label: string) => {
+      const conversationKey = getConversationNotificationKey(type, id);
+      if (enabledByConversation[conversationKey]) {
+        setEnabledByConversation((prev) => {
+          const next = { ...prev };
+          delete next[conversationKey];
+          writeStoredEnabledMap(next);
+          return next;
+        });
+        toast.success(`${label} notifications disabled`);
+        return;
+      }
+
+      if (permission === 'unsupported') {
+        toast.error('Browser notifications unavailable', {
+          description: 'This browser does not support desktop notifications.',
+        });
+        return;
+      }
+
+      if (permission === 'denied') {
+        toast.error('Browser notifications blocked', {
+          description: 'Allow notifications in your browser settings, then try again.',
+        });
+        return;
+      }
+
+      const nextPermission = await window.Notification.requestPermission();
+      setPermission(nextPermission);
+
+      if (nextPermission === 'granted') {
+        setEnabledByConversation((prev) => {
+          const next = {
+            ...prev,
+            [conversationKey]: true,
+          };
+          writeStoredEnabledMap(next);
+          return next;
+        });
+        new window.Notification(buildPreviewNotificationTitle(type, label), {
+          body: 'Notifications will look like this. These require the tab to stay open, and will not be reliable on mobile.',
+          icon: NOTIFICATION_ICON_PATH,
+          tag: `meshcore-notification-preview-${conversationKey}`,
+        });
+        toast.success(`${label} notifications enabled`);
+        return;
+      }
+
+      toast.error('Browser notifications not enabled', {
+        description:
+          nextPermission === 'denied'
+            ? 'Permission was denied by the browser.'
+            : 'Permission request was dismissed.',
+      });
+    },
+    [enabledByConversation, permission]
+  );
+
+  const notifyIncomingMessage = useCallback(
+    (message: Message) => {
+      const conversationKey = getMessageConversationNotificationKey(message);
+      if (
+        permission !== 'granted' ||
+        !conversationKey ||
+        enabledByConversation[conversationKey] !== true ||
+        !shouldShowDesktopNotification()
+      ) {
+        return;
+      }
+
+      const notification = new window.Notification(buildNotificationTitle(message), {
+        body: message.text,
+        icon: NOTIFICATION_ICON_PATH,
+        tag: `meshcore-message-${message.id}`,
+      });
+
+      notification.onclick = () => {
+        const hash = buildMessageNotificationHash(message);
+        if (hash) {
+          window.open(`${window.location.origin}${window.location.pathname}${hash}`, '_self');
+        }
+        window.focus();
+        notification.close();
+      };
+    },
+    [enabledByConversation, permission]
+  );
+
+  return {
+    notificationsSupported: permission !== 'unsupported',
+    notificationsPermission: permission,
+    isConversationNotificationsEnabled,
+    toggleConversationNotifications,
+    notifyIncomingMessage,
+  };
+}

frontend/src/hooks/useContactsAndChannels.ts

@@ -58,7 +58,7 @@ export function useContactsAndChannels({
       setActiveConversation({
         type: 'contact',
         id: created.public_key,
-        name: getContactDisplayName(created.name, created.public_key),
+        name: getContactDisplayName(created.name, created.public_key, created.last_advert),
       });
     },
     [fetchAllContacts, setActiveConversation]

frontend/src/hooks/useConversationMessages.ts

@@ -137,6 +137,7 @@ export function useConversationMessages(
 
   const abortControllerRef = useRef<AbortController | null>(null);
   const fetchingConversationIdRef = useRef<string | null>(null);
+  const latestReconcileRequestIdRef = useRef(0);
   const messagesRef = useRef<Message[]>([]);
   const hasOlderMessagesRef = useRef(false);
   const hasNewerMessagesRef = useRef(false);
@@ -194,8 +195,12 @@ export function useConversationMessages(
         }
 
         const messagesWithPendingAck = data.map((msg) => applyPendingAck(msg));
-        setMessages(messagesWithPendingAck);
-        syncSeenContent(messagesWithPendingAck);
+        const merged = messageCache.reconcile(messagesRef.current, messagesWithPendingAck);
+        const nextMessages = merged ?? messagesRef.current;
+        if (merged) {
+          setMessages(merged);
+        }
+        syncSeenContent(nextMessages);
         setHasOlderMessages(messagesWithPendingAck.length >= MESSAGE_PAGE_SIZE);
       } catch (err) {
         if (isAbortError(err)) {
@@ -215,7 +220,7 @@ export function useConversationMessages(
   );
 
   const reconcileFromBackend = useCallback(
-    (conversation: Conversation, signal: AbortSignal) => {
+    (conversation: Conversation, signal: AbortSignal, requestId: number) => {
       const conversationId = conversation.id;
       api
         .getMessages(
@@ -228,16 +233,15 @@ export function useConversationMessages(
         )
         .then((data) => {
           if (fetchingConversationIdRef.current !== conversationId) return;
+          if (latestReconcileRequestIdRef.current !== requestId) return;
 
           const dataWithPendingAck = data.map((msg) => applyPendingAck(msg));
+          setHasOlderMessages(dataWithPendingAck.length >= MESSAGE_PAGE_SIZE);
           const merged = messageCache.reconcile(messagesRef.current, dataWithPendingAck);
           if (!merged) return;
 
           setMessages(merged);
           syncSeenContent(merged);
-          if (dataWithPendingAck.length >= MESSAGE_PAGE_SIZE) {
-            setHasOlderMessages(true);
-          }
         })
         .catch((err) => {
           if (isAbortError(err)) return;
@@ -352,7 +356,9 @@ export function useConversationMessages(
   const triggerReconcile = useCallback(() => {
     if (!isMessageConversation(activeConversation)) return;
     const controller = new AbortController();
-    reconcileFromBackend(activeConversation, controller.signal);
+    const requestId = latestReconcileRequestIdRef.current + 1;
+    latestReconcileRequestIdRef.current = requestId;
+    reconcileFromBackend(activeConversation, controller.signal, requestId);
   }, [activeConversation, reconcileFromBackend]);
 
   useEffect(() => {
@@ -365,6 +371,7 @@ export function useConversationMessages(
     const conversationChanged = prevId !== newId;
     fetchingConversationIdRef.current = newId;
     prevConversationIdRef.current = newId;
+    latestReconcileRequestIdRef.current = 0;
 
     // Preserve around-loaded context on the same conversation when search clears targetMessageId.
     if (!conversationChanged && !targetMessageId) {
@@ -433,7 +440,9 @@ export function useConversationMessages(
         seenMessageContent.current = new Set(cached.seenContent);
         setHasOlderMessages(cached.hasOlderMessages);
         setMessagesLoading(false);
-        reconcileFromBackend(activeConversation, controller.signal);
+        const requestId = latestReconcileRequestIdRef.current + 1;
+        latestReconcileRequestIdRef.current = requestId;
+        reconcileFromBackend(activeConversation, controller.signal, requestId);
       } else {
         void fetchLatestMessages(true, controller.signal);
       }

frontend/src/hooks/useConversationNavigation.ts

@@ -14,6 +14,7 @@ interface UseConversationNavigationResult {
   infoPaneContactKey: string | null;
   infoPaneFromChannel: boolean;
   infoPaneChannelKey: string | null;
+  searchPrefillRequest: { query: string; nonce: number } | null;
   handleOpenContactInfo: (publicKey: string, fromChannel?: boolean) => void;
   handleCloseContactInfo: () => void;
   handleOpenChannelInfo: (channelKey: string) => void;
@@ -24,6 +25,7 @@ interface UseConversationNavigationResult {
   ) => void;
   handleNavigateToChannel: (channelKey: string) => void;
   handleNavigateToMessage: (target: SearchNavigateTarget) => void;
+  handleOpenSearchWithQuery: (query: string) => void;
 }
 
 export function useConversationNavigation({
@@ -34,6 +36,10 @@ export function useConversationNavigation({
   const [infoPaneContactKey, setInfoPaneContactKey] = useState<string | null>(null);
   const [infoPaneFromChannel, setInfoPaneFromChannel] = useState(false);
   const [infoPaneChannelKey, setInfoPaneChannelKey] = useState<string | null>(null);
+  const [searchPrefillRequest, setSearchPrefillRequest] = useState<{
+    query: string;
+    nonce: number;
+  } | null>(null);
 
   const handleOpenContactInfo = useCallback((publicKey: string, fromChannel?: boolean) => {
     setInfoPaneContactKey(publicKey);
@@ -95,12 +101,30 @@ export function useConversationNavigation({
     [handleSelectConversationWithTargetReset]
   );
 
+  const handleOpenSearchWithQuery = useCallback(
+    (query: string) => {
+      setTargetMessageId(null);
+      setInfoPaneContactKey(null);
+      handleSelectConversationWithTargetReset({
+        type: 'search',
+        id: 'search',
+        name: 'Message Search',
+      });
+      setSearchPrefillRequest((prev) => ({
+        query,
+        nonce: (prev?.nonce ?? 0) + 1,
+      }));
+    },
+    [handleSelectConversationWithTargetReset]
+  );
+
   return {
     targetMessageId,
     setTargetMessageId,
     infoPaneContactKey,
     infoPaneFromChannel,
     infoPaneChannelKey,
+    searchPrefillRequest,
     handleOpenContactInfo,
     handleCloseContactInfo,
     handleOpenChannelInfo,
@@ -108,5 +132,6 @@ export function useConversationNavigation({
     handleSelectConversationWithTargetReset,
     handleNavigateToChannel,
     handleNavigateToMessage,
+    handleOpenSearchWithQuery,
   };
 }

frontend/src/hooks/useConversationRouter.ts

@@ -151,7 +151,7 @@ export function useConversationRouter({
         setActiveConversationState({
           type: 'contact',
           id: contact.public_key,
-          name: getContactDisplayName(contact.name, contact.public_key),
+          name: getContactDisplayName(contact.name, contact.public_key, contact.last_advert),
         });
         hasSetDefaultConversation.current = true;
         return;
@@ -179,7 +179,7 @@ export function useConversationRouter({
         setActiveConversationState({
           type: 'contact',
           id: contact.public_key,
-          name: getContactDisplayName(contact.name, contact.public_key),
+          name: getContactDisplayName(contact.name, contact.public_key, contact.last_advert),
         });
         hasSetDefaultConversation.current = true;
         return;

frontend/src/hooks/useRadioControl.ts

@@ -69,6 +69,21 @@ export function useRadioControl() {
     pollUntilReconnected();
   }, [fetchConfig]);
 
+  const handleDisconnect = useCallback(async () => {
+    await api.disconnectRadio();
+    const pausedHealth = await api.getHealth();
+    setHealth(pausedHealth);
+  }, []);
+
+  const handleReconnect = useCallback(async () => {
+    await api.reconnectRadio();
+    const refreshedHealth = await api.getHealth();
+    setHealth(refreshedHealth);
+    if (refreshedHealth.radio_connected) {
+      await fetchConfig();
+    }
+  }, [fetchConfig]);
+
   const handleAdvertise = useCallback(async () => {
     try {
       await api.sendAdvertisement();
@@ -100,6 +115,8 @@ export function useRadioControl() {
     handleSaveConfig,
     handleSetPrivateKey,
     handleReboot,
+    handleDisconnect,
+    handleReconnect,
     handleAdvertise,
     handleHealthRefresh,
   };

frontend/src/hooks/useRealtimeAppState.ts

@@ -11,6 +11,7 @@ import type { UseWebSocketOptions } from '../useWebSocket';
 import { toast } from '../components/ui/sonner';
 import { getStateKey } from '../utils/conversationState';
 import { mergeContactIntoList } from '../utils/contactMerge';
+import { getContactDisplayName } from '../utils/pubkey';
 import { appendRawPacketUnique } from '../utils/rawPacketIdentity';
 import { getMessageContentKey } from './useConversationMessages';
 import type {
@@ -40,10 +41,12 @@ interface UseRealtimeAppStateArgs {
   addMessageIfNew: (msg: Message) => boolean;
   trackNewMessage: (msg: Message) => void;
   incrementUnread: (stateKey: string, hasMention?: boolean) => void;
+  renameConversationState: (oldStateKey: string, newStateKey: string) => void;
   checkMention: (text: string) => boolean;
   pendingDeleteFallbackRef: MutableRefObject<boolean>;
   setActiveConversation: (conv: Conversation | null) => void;
   updateMessageAck: (messageId: number, ackCount: number, paths?: MessagePath[]) => void;
+  notifyIncomingMessage?: (msg: Message) => void;
   maxRawPackets?: number;
 }
 
@@ -99,10 +102,12 @@ export function useRealtimeAppState({
   addMessageIfNew,
   trackNewMessage,
   incrementUnread,
+  renameConversationState,
   checkMention,
   pendingDeleteFallbackRef,
   setActiveConversation,
   updateMessageAck,
+  notifyIncomingMessage,
   maxRawPackets = 500,
 }: UseRealtimeAppStateArgs): UseWebSocketOptions {
   const mergeChannelIntoList = useCallback(
@@ -126,6 +131,13 @@ export function useRealtimeAppState({
         const prev = prevHealthRef.current;
         prevHealthRef.current = data;
         setHealth(data);
+        const nextRadioState =
+          data.radio_state ??
+          (data.radio_initializing
+            ? 'initializing'
+            : data.radio_connected
+              ? 'connected'
+              : 'disconnected');
         const initializationCompleted =
           prev !== null &&
           prev.radio_connected &&
@@ -142,9 +154,13 @@ export function useRealtimeAppState({
             });
             fetchConfig();
           } else {
-            toast.error('Radio disconnected', {
-              description: 'Check radio connection and power',
-            });
+            if (nextRadioState === 'paused') {
+              toast.success('Radio connection paused');
+            } else {
+              toast.error('Radio disconnected', {
+                description: 'Check radio connection and power',
+              });
+            }
           }
         }
 
@@ -180,18 +196,19 @@ export function useRealtimeAppState({
           activeConversationRef.current,
           msg
         );
+        let isNewMessage = false;
 
         if (isForActiveConversation && !hasNewerMessagesRef.current) {
-          addMessageIfNew(msg);
+          isNewMessage = addMessageIfNew(msg);
         }
 
         trackNewMessage(msg);
 
         const contentKey = getMessageContentKey(msg);
         if (!isForActiveConversation) {
-          const isNew = messageCache.addMessage(msg.conversation_key, msg, contentKey);
+          isNewMessage = messageCache.addMessage(msg.conversation_key, msg, contentKey);
 
-          if (!msg.outgoing && isNew) {
+          if (!msg.outgoing && isNewMessage) {
             let stateKey: string | null = null;
             if (msg.type === 'CHAN' && msg.conversation_key) {
               stateKey = getStateKey('channel', msg.conversation_key);
@@ -203,10 +220,36 @@ export function useRealtimeAppState({
             }
           }
         }
+
+        if (!msg.outgoing && isNewMessage) {
+          notifyIncomingMessage?.(msg);
+        }
       },
       onContact: (contact: Contact) => {
         setContacts((prev) => mergeContactIntoList(prev, contact));
       },
+      onContactResolved: (previousPublicKey: string, contact: Contact) => {
+        setContacts((prev) =>
+          mergeContactIntoList(
+            prev.filter((candidate) => candidate.public_key !== previousPublicKey),
+            contact
+          )
+        );
+        messageCache.rename(previousPublicKey, contact.public_key);
+        renameConversationState(
+          getStateKey('contact', previousPublicKey),
+          getStateKey('contact', contact.public_key)
+        );
+
+        const active = activeConversationRef.current;
+        if (active?.type === 'contact' && active.id === previousPublicKey) {
+          setActiveConversation({
+            type: 'contact',
+            id: contact.public_key,
+            name: getContactDisplayName(contact.name, contact.public_key, contact.last_advert),
+          });
+        }
+      },
       onChannel: (channel: Channel) => {
         mergeChannelIntoList(channel);
       },
@@ -246,6 +289,7 @@ export function useRealtimeAppState({
       fetchConfig,
       hasNewerMessagesRef,
       incrementUnread,
+      renameConversationState,
       maxRawPackets,
       mergeChannelIntoList,
       pendingDeleteFallbackRef,
@@ -259,6 +303,7 @@ export function useRealtimeAppState({
       trackNewMessage,
       triggerReconcile,
       updateMessageAck,
+      notifyIncomingMessage,
     ]
   );
 }

frontend/src/hooks/useRepeaterDashboard.ts

@@ -17,6 +17,7 @@ import type {
 
 const MAX_RETRIES = 3;
 const RETRY_DELAY_MS = 2000;
+const MAX_CACHED_REPEATERS = 20;
 
 interface ConsoleEntry {
   command: string;
@@ -35,7 +36,15 @@ interface PaneData {
   lppTelemetry: RepeaterLppTelemetryResponse | null;
 }
 
-const INITIAL_PANE_STATE: PaneState = { loading: false, attempt: 0, error: null };
+interface RepeaterDashboardCacheEntry {
+  loggedIn: boolean;
+  loginError: string | null;
+  paneData: PaneData;
+  paneStates: Record<PaneName, PaneState>;
+  consoleHistory: ConsoleEntry[];
+}
+
+const INITIAL_PANE_STATE: PaneState = { loading: false, attempt: 0, error: null, fetched_at: null };
 
 function createInitialPaneStates(): Record<PaneName, PaneState> {
   return {
@@ -61,6 +70,67 @@ function createInitialPaneData(): PaneData {
   };
 }
 
+const repeaterDashboardCache = new Map<string, RepeaterDashboardCacheEntry>();
+
+function clonePaneData(data: PaneData): PaneData {
+  return { ...data };
+}
+
+function normalizePaneStates(paneStates: Record<PaneName, PaneState>): Record<PaneName, PaneState> {
+  return {
+    status: { ...paneStates.status, loading: false },
+    neighbors: { ...paneStates.neighbors, loading: false },
+    acl: { ...paneStates.acl, loading: false },
+    radioSettings: { ...paneStates.radioSettings, loading: false },
+    advertIntervals: { ...paneStates.advertIntervals, loading: false },
+    ownerInfo: { ...paneStates.ownerInfo, loading: false },
+    lppTelemetry: { ...paneStates.lppTelemetry, loading: false },
+  };
+}
+
+function cloneConsoleHistory(consoleHistory: ConsoleEntry[]): ConsoleEntry[] {
+  return consoleHistory.map((entry) => ({ ...entry }));
+}
+
+function getCachedState(publicKey: string | null): RepeaterDashboardCacheEntry | null {
+  if (!publicKey) return null;
+  const cached = repeaterDashboardCache.get(publicKey);
+  if (!cached) return null;
+
+  repeaterDashboardCache.delete(publicKey);
+  repeaterDashboardCache.set(publicKey, cached);
+
+  return {
+    loggedIn: cached.loggedIn,
+    loginError: cached.loginError,
+    paneData: clonePaneData(cached.paneData),
+    paneStates: normalizePaneStates(cached.paneStates),
+    consoleHistory: cloneConsoleHistory(cached.consoleHistory),
+  };
+}
+
+function cacheState(publicKey: string, entry: RepeaterDashboardCacheEntry) {
+  repeaterDashboardCache.delete(publicKey);
+  repeaterDashboardCache.set(publicKey, {
+    loggedIn: entry.loggedIn,
+    loginError: entry.loginError,
+    paneData: clonePaneData(entry.paneData),
+    paneStates: normalizePaneStates(entry.paneStates),
+    consoleHistory: cloneConsoleHistory(entry.consoleHistory),
+  });
+
+  if (repeaterDashboardCache.size > MAX_CACHED_REPEATERS) {
+    const lruKey = repeaterDashboardCache.keys().next().value as string | undefined;
+    if (lruKey) {
+      repeaterDashboardCache.delete(lruKey);
+    }
+  }
+}
+
+export function resetRepeaterDashboardCacheForTests() {
+  repeaterDashboardCache.clear();
+}
+
 // Maps pane name to the API call
 function fetchPaneData(publicKey: string, pane: PaneName) {
   switch (pane) {
@@ -94,7 +164,8 @@ export interface UseRepeaterDashboardResult {
   refreshPane: (pane: PaneName) => Promise<void>;
   loadAll: () => Promise<void>;
   sendConsoleCommand: (command: string) => Promise<void>;
-  sendAdvert: () => Promise<void>;
+  sendZeroHopAdvert: () => Promise<void>;
+  sendFloodAdvert: () => Promise<void>;
   rebootRepeater: () => Promise<void>;
   syncClock: () => Promise<void>;
 }
@@ -102,15 +173,24 @@ export interface UseRepeaterDashboardResult {
 export function useRepeaterDashboard(
   activeConversation: Conversation | null
 ): UseRepeaterDashboardResult {
-  const [loggedIn, setLoggedIn] = useState(false);
+  const conversationId =
+    activeConversation && activeConversation.type === 'contact' ? activeConversation.id : null;
+  const cachedState = getCachedState(conversationId);
+
+  const [loggedIn, setLoggedIn] = useState(cachedState?.loggedIn ?? false);
   const [loginLoading, setLoginLoading] = useState(false);
-  const [loginError, setLoginError] = useState<string | null>(null);
+  const [loginError, setLoginError] = useState<string | null>(cachedState?.loginError ?? null);
 
-  const [paneData, setPaneData] = useState<PaneData>(createInitialPaneData);
-  const [paneStates, setPaneStates] =
-    useState<Record<PaneName, PaneState>>(createInitialPaneStates);
+  const [paneData, setPaneData] = useState<PaneData>(
+    cachedState?.paneData ?? createInitialPaneData
+  );
+  const [paneStates, setPaneStates] = useState<Record<PaneName, PaneState>>(
+    cachedState?.paneStates ?? createInitialPaneStates
+  );
 
-  const [consoleHistory, setConsoleHistory] = useState<ConsoleEntry[]>([]);
+  const [consoleHistory, setConsoleHistory] = useState<ConsoleEntry[]>(
+    cachedState?.consoleHistory ?? []
+  );
   const [consoleLoading, setConsoleLoading] = useState(false);
 
   // Track which conversation we're operating on to avoid stale updates after
@@ -120,6 +200,10 @@ export function useRepeaterDashboard(
 
   // Guard against setting state after unmount (retry timers firing late)
   const mountedRef = useRef(true);
+  useEffect(() => {
+    activeIdRef.current = conversationId;
+  }, [conversationId]);
+
   useEffect(() => {
     mountedRef.current = true;
     return () => {
@@ -127,6 +211,17 @@ export function useRepeaterDashboard(
     };
   }, []);
 
+  useEffect(() => {
+    if (!conversationId) return;
+    cacheState(conversationId, {
+      loggedIn,
+      loginError,
+      paneData,
+      paneStates,
+      consoleHistory,
+    });
+  }, [consoleHistory, conversationId, loggedIn, loginError, paneData, paneStates]);
+
   const getPublicKey = useCallback((): string | null => {
     if (!activeConversation || activeConversation.type !== 'contact') return null;
     return activeConversation.id;
@@ -172,7 +267,12 @@ export function useRepeaterDashboard(
 
         setPaneStates((prev) => ({
           ...prev,
-          [pane]: { loading: true, attempt, error: null },
+          [pane]: {
+            loading: true,
+            attempt,
+            error: null,
+            fetched_at: prev[pane].fetched_at ?? null,
+          },
         }));
 
         try {
@@ -182,7 +282,7 @@ export function useRepeaterDashboard(
           setPaneData((prev) => ({ ...prev, [pane]: data }));
           setPaneStates((prev) => ({
             ...prev,
-            [pane]: { loading: false, attempt, error: null },
+            [pane]: { loading: false, attempt, error: null, fetched_at: Date.now() },
           }));
           return; // Success
         } catch (err) {
@@ -193,7 +293,12 @@ export function useRepeaterDashboard(
           if (attempt === MAX_RETRIES) {
             setPaneStates((prev) => ({
               ...prev,
-              [pane]: { loading: false, attempt, error: msg },
+              [pane]: {
+                loading: false,
+                attempt,
+                error: msg,
+                fetched_at: prev[pane].fetched_at ?? null,
+              },
             }));
             toast.error(`Failed to fetch ${pane}`, { description: msg });
           } else {
@@ -266,7 +371,11 @@ export function useRepeaterDashboard(
     [getPublicKey]
   );
 
-  const sendAdvert = useCallback(async () => {
+  const sendZeroHopAdvert = useCallback(async () => {
+    await sendConsoleCommand('advert.zerohop');
+  }, [sendConsoleCommand]);
+
+  const sendFloodAdvert = useCallback(async () => {
     await sendConsoleCommand('advert');
   }, [sendConsoleCommand]);
 
@@ -275,8 +384,8 @@ export function useRepeaterDashboard(
   }, [sendConsoleCommand]);
 
   const syncClock = useCallback(async () => {
-    const epoch = Math.floor(Date.now() / 1000);
-    await sendConsoleCommand(`clock ${epoch}`);
+    const epochSeconds = Math.floor(Date.now() / 1000);
+    await sendConsoleCommand(`time ${epochSeconds}`);
   }, [sendConsoleCommand]);
 
   return {
@@ -292,7 +401,8 @@ export function useRepeaterDashboard(
     refreshPane,
     loadAll,
     sendConsoleCommand,
-    sendAdvert,
+    sendZeroHopAdvert,
+    sendFloodAdvert,
     rebootRepeater,
     syncClock,
   };

frontend/src/hooks/useUnreadCounts.ts

@@ -3,6 +3,7 @@ import { api } from '../api';
 import {
   getLastMessageTimes,
   setLastMessageTime,
+  renameConversationTimeKey,
   getStateKey,
   type ConversationTimes,
 } from '../utils/conversationState';
@@ -15,6 +16,7 @@ interface UseUnreadCountsResult {
   mentions: Record<string, boolean>;
   lastMessageTimes: ConversationTimes;
   incrementUnread: (stateKey: string, hasMention?: boolean) => void;
+  renameConversationState: (oldStateKey: string, newStateKey: string) => void;
   markAllRead: () => void;
   trackNewMessage: (msg: Message) => void;
   refreshUnreads: () => Promise<void>;
@@ -170,6 +172,28 @@ export function useUnreadCounts(
     }
   }, []);
 
+  const renameConversationState = useCallback((oldStateKey: string, newStateKey: string) => {
+    if (oldStateKey === newStateKey) return;
+
+    setUnreadCounts((prev) => {
+      if (!(oldStateKey in prev)) return prev;
+      const next = { ...prev };
+      next[newStateKey] = (next[newStateKey] || 0) + next[oldStateKey];
+      delete next[oldStateKey];
+      return next;
+    });
+
+    setMentions((prev) => {
+      if (!(oldStateKey in prev)) return prev;
+      const next = { ...prev };
+      next[newStateKey] = next[newStateKey] || next[oldStateKey];
+      delete next[oldStateKey];
+      return next;
+    });
+
+    setLastMessageTimes(renameConversationTimeKey(oldStateKey, newStateKey));
+  }, []);
+
   // Mark all conversations as read
   // Calls single bulk API endpoint to persist read state
   const markAllRead = useCallback(() => {
@@ -204,6 +228,7 @@ export function useUnreadCounts(
     mentions,
     lastMessageTimes,
     incrementUnread,
+    renameConversationState,
     markAllRead,
     trackNewMessage,
     refreshUnreads: fetchUnreads,

frontend/src/index.css

@@ -40,6 +40,7 @@
     --success-foreground: 0 0% 100%;
     --info: 217 91% 60%;
     --info-foreground: 0 0% 100%;
+    --region-override: 270 80% 74%;
 
     /* Favorites */
     --favorite: 43 96% 56%;

frontend/src/messageCache.ts

@@ -138,6 +138,36 @@ export function remove(id: string): void {
   cache.delete(id);
 }
 
+/** Move cached conversation state to a new conversation id. */
+export function rename(oldId: string, newId: string): void {
+  if (oldId === newId) return;
+  const oldEntry = cache.get(oldId);
+  if (!oldEntry) return;
+
+  const newEntry = cache.get(newId);
+  if (!newEntry) {
+    cache.delete(oldId);
+    cache.set(newId, oldEntry);
+    return;
+  }
+
+  const mergedMessages = [...newEntry.messages];
+  const seenIds = new Set(mergedMessages.map((message) => message.id));
+  for (const message of oldEntry.messages) {
+    if (!seenIds.has(message.id)) {
+      mergedMessages.push(message);
+      seenIds.add(message.id);
+    }
+  }
+
+  cache.delete(oldId);
+  cache.set(newId, {
+    messages: mergedMessages,
+    seenContent: new Set([...newEntry.seenContent, ...oldEntry.seenContent]),
+    hasOlderMessages: newEntry.hasOlderMessages || oldEntry.hasOlderMessages,
+  });
+}
+
 /** Clear the entire cache. */
 export function clear(): void {
   cache.clear();

frontend/src/test/appSearchJump.test.tsx

@@ -132,6 +132,7 @@ vi.mock('../components/NewMessageModal', () => ({
 vi.mock('../components/SearchView', () => ({
   SearchView: ({
     onNavigateToMessage,
+    prefillRequest,
   }: {
     onNavigateToMessage: (target: {
       id: number;
@@ -139,20 +140,24 @@ vi.mock('../components/SearchView', () => ({
       conversation_key: string;
       conversation_name: string;
     }) => void;
+    prefillRequest?: { query: string; nonce: number } | null;
   }) => (
-    <button
-      type="button"
-      onClick={() =>
-        onNavigateToMessage({
-          id: 321,
-          type: 'CHAN',
-          conversation_key: PUBLIC_CHANNEL_KEY,
-          conversation_name: 'Public',
-        })
-      }
-    >
-      Jump Result
-    </button>
+    <div>
+      <div data-testid="search-prefill">{prefillRequest?.query ?? ''}</div>
+      <button
+        type="button"
+        onClick={() =>
+          onNavigateToMessage({
+            id: 321,
+            type: 'CHAN',
+            conversation_key: PUBLIC_CHANNEL_KEY,
+            conversation_name: 'Public',
+          })
+        }
+      >
+        Jump Result
+      </button>
+    </div>
   ),
 }));
 
@@ -165,7 +170,15 @@ vi.mock('../components/RawPacketList', () => ({
 }));
 
 vi.mock('../components/ContactInfoPane', () => ({
-  ContactInfoPane: () => null,
+  ContactInfoPane: ({
+    onSearchMessagesByKey,
+  }: {
+    onSearchMessagesByKey?: (publicKey: string) => void;
+  }) => (
+    <button type="button" onClick={() => onSearchMessagesByKey?.('aa'.repeat(32))}>
+      Search Contact By Key
+    </button>
+  ),
 }));
 
 vi.mock('../components/ChannelInfoPane', () => ({
@@ -258,4 +271,23 @@ describe('App search jump target handling', () => {
       expect(lastCall?.[1]).toBeNull();
     });
   });
+
+  it('opens search with a prefilled query from the contact pane', async () => {
+    render(<App />);
+
+    await waitFor(() => {
+      expect(screen.getByText('Search Contact By Key')).toBeInTheDocument();
+    });
+
+    fireEvent.click(screen.getByText('Search Contact By Key'));
+
+    await waitFor(() => {
+      expect(screen.getByTestId('search-prefill')).toHaveTextContent(`user:${'aa'.repeat(32)}`);
+      expect(
+        screen
+          .getAllByTestId('active-conversation')
+          .some((node) => node.textContent === 'search:search')
+      ).toBe(true);
+    });
+  });
 });

frontend/src/test/chatHeaderKeyVisibility.test.tsx

@@ -1,4 +1,4 @@
-import { fireEvent, render, screen } from '@testing-library/react';
+import { fireEvent, render, screen, within } from '@testing-library/react';
 import { describe, expect, it, vi } from 'vitest';
 
 import { ChatHeader } from '../components/ChatHeader';
@@ -14,7 +14,11 @@ const baseProps = {
   contacts: [],
   config: null,
   favorites: [] as Favorite[],
+  notificationsSupported: true,
+  notificationsEnabled: false,
+  notificationsPermission: 'granted' as const,
   onTrace: noop,
+  onToggleNotifications: noop,
   onToggleFavorite: noop,
   onSetChannelFloodScopeOverride: noop,
   onDeleteChannel: noop,
@@ -90,6 +94,28 @@ describe('ChatHeader key visibility', () => {
     expect(screen.queryByText('Show Key')).not.toBeInTheDocument();
   });
 
+  it('renders the clickable conversation title as a real button inside the heading', () => {
+    const pubKey = '12'.repeat(32);
+    const conversation: Conversation = { type: 'contact', id: pubKey, name: 'Alice' };
+    const onOpenContactInfo = vi.fn();
+
+    render(
+      <ChatHeader
+        {...baseProps}
+        conversation={conversation}
+        channels={[]}
+        onOpenContactInfo={onOpenContactInfo}
+      />
+    );
+
+    const heading = screen.getByRole('heading', { name: /alice/i });
+    const titleButton = within(heading).getByRole('button', { name: 'View info for Alice' });
+
+    expect(heading).toContainElement(titleButton);
+    fireEvent.click(titleButton);
+    expect(onOpenContactInfo).toHaveBeenCalledWith(pubKey);
+  });
+
   it('copies key to clipboard when revealed key is clicked', async () => {
     const key = 'FF'.repeat(16);
     const channel = makeChannel(key, 'Priv', false);
@@ -107,7 +133,7 @@ describe('ChatHeader key visibility', () => {
     expect(writeText).toHaveBeenCalledWith(key);
   });
 
-  it('shows active regional override banner for channels', () => {
+  it('shows active regional override badge for channels', () => {
     const key = 'AB'.repeat(16);
     const channel = {
       ...makeChannel(key, '#flightless', true),
@@ -117,7 +143,27 @@ describe('ChatHeader key visibility', () => {
 
     render(<ChatHeader {...baseProps} conversation={conversation} channels={[channel]} />);
 
-    expect(screen.getByText('Regional override active: Esperance')).toBeInTheDocument();
+    expect(screen.getAllByText('#Esperance')).toHaveLength(2);
+  });
+
+  it('shows enabled notification state and toggles when clicked', () => {
+    const conversation: Conversation = { type: 'contact', id: '11'.repeat(32), name: 'Alice' };
+    const onToggleNotifications = vi.fn();
+
+    render(
+      <ChatHeader
+        {...baseProps}
+        conversation={conversation}
+        channels={[]}
+        notificationsEnabled
+        onToggleNotifications={onToggleNotifications}
+      />
+    );
+
+    fireEvent.click(screen.getByText('Notifications On'));
+
+    expect(screen.getByText('Notifications On')).toBeInTheDocument();
+    expect(onToggleNotifications).toHaveBeenCalledTimes(1);
   });
 
   it('prompts for regional override when globe button is clicked', () => {

frontend/src/test/contactInfoPane.test.tsx

@@ -2,15 +2,15 @@ import { render, screen, waitFor } from '@testing-library/react';
 import { describe, expect, it, vi, beforeEach } from 'vitest';
 
 import { ContactInfoPane } from '../components/ContactInfoPane';
-import type { Contact, ContactDetail } from '../types';
+import type { Contact, ContactAnalytics } from '../types';
 
-const { getContactDetail } = vi.hoisted(() => ({
-  getContactDetail: vi.fn(),
+const { getContactAnalytics } = vi.hoisted(() => ({
+  getContactAnalytics: vi.fn(),
 }));
 
 vi.mock('../api', () => ({
   api: {
-    getContactDetail,
+    getContactAnalytics,
   },
 }));
 
@@ -54,16 +54,34 @@ function createContact(overrides: Partial<Contact> = {}): Contact {
   };
 }
 
-function createDetail(contact: Contact): ContactDetail {
+function createAnalytics(
+  contact: Contact | null,
+  overrides: Partial<ContactAnalytics> = {}
+): ContactAnalytics {
   return {
+    lookup_type: contact ? 'contact' : 'name',
+    name: contact?.name ?? 'Mystery',
     contact,
+    name_first_seen_at: null,
     name_history: [],
     dm_message_count: 0,
     channel_message_count: 0,
+    includes_direct_messages: Boolean(contact),
     most_active_rooms: [],
     advert_paths: [],
     advert_frequency: null,
     nearest_repeaters: [],
+    hourly_activity: Array.from({ length: 24 }, (_, index) => ({
+      bucket_start: 1_700_000_000 + index * 3600,
+      last_24h_count: 0,
+      last_week_average: 0,
+      all_time_average: 0,
+    })),
+    weekly_activity: Array.from({ length: 26 }, (_, index) => ({
+      bucket_start: 1_700_000_000 + index * 604800,
+      message_count: 0,
+    })),
+    ...overrides,
   };
 }
 
@@ -74,20 +92,24 @@ const baseProps = {
   config: null,
   favorites: [],
   onToggleFavorite: () => {},
+  onSearchMessagesByKey: vi.fn(),
+  onSearchMessagesByName: vi.fn(),
 };
 
 describe('ContactInfoPane', () => {
   beforeEach(() => {
-    getContactDetail.mockReset();
+    getContactAnalytics.mockReset();
+    baseProps.onSearchMessagesByKey = vi.fn();
+    baseProps.onSearchMessagesByName = vi.fn();
   });
 
   it('shows hop width when contact has a stored path hash mode', async () => {
     const contact = createContact({ out_path_hash_mode: 1 });
-    getContactDetail.mockResolvedValue(createDetail(contact));
+    getContactAnalytics.mockResolvedValue(createAnalytics(contact));
 
     render(<ContactInfoPane {...baseProps} contactKey={contact.public_key} />);
 
-    await screen.findByText('Alice');
+    await screen.findByText(contact.public_key);
     await waitFor(() => {
       expect(screen.getByText('Hop Width')).toBeInTheDocument();
       expect(screen.getByText('2-byte IDs')).toBeInTheDocument();
@@ -96,7 +118,7 @@ describe('ContactInfoPane', () => {
 
   it('does not show hop width for flood-routed contacts', async () => {
     const contact = createContact({ last_path_len: -1, out_path_hash_mode: -1 });
-    getContactDetail.mockResolvedValue(createDetail(contact));
+    getContactAnalytics.mockResolvedValue(createAnalytics(contact));
 
     render(<ContactInfoPane {...baseProps} contactKey={contact.public_key} />);
 
@@ -115,7 +137,7 @@ describe('ContactInfoPane', () => {
       route_override_len: 2,
       route_override_hash_mode: 1,
     });
-    getContactDetail.mockResolvedValue(createDetail(contact));
+    getContactAnalytics.mockResolvedValue(createAnalytics(contact));
 
     render(<ContactInfoPane {...baseProps} contactKey={contact.public_key} />);
 
@@ -127,4 +149,102 @@ describe('ContactInfoPane', () => {
       expect(screen.getByText('1 hop')).toBeInTheDocument();
     });
   });
+
+  it('loads name-only channel stats and most active rooms', async () => {
+    getContactAnalytics.mockResolvedValue(
+      createAnalytics(null, {
+        lookup_type: 'name',
+        name: 'Mystery',
+        name_first_seen_at: 1_699_999_000,
+        channel_message_count: 4,
+        most_active_rooms: [
+          {
+            channel_key: 'ab'.repeat(16),
+            channel_name: '#ops',
+            message_count: 3,
+          },
+        ],
+        hourly_activity: Array.from({ length: 24 }, (_, index) => ({
+          bucket_start: 1_700_000_000 + index * 3600,
+          last_24h_count: index === 23 ? 2 : 0,
+          last_week_average: index === 23 ? 1.5 : 0,
+          all_time_average: index === 23 ? 1.2 : 0,
+        })),
+        weekly_activity: Array.from({ length: 26 }, (_, index) => ({
+          bucket_start: 1_700_000_000 + index * 604800,
+          message_count: index === 25 ? 4 : 0,
+        })),
+      })
+    );
+
+    render(<ContactInfoPane {...baseProps} contactKey="name:Mystery" fromChannel />);
+
+    await screen.findByText('Mystery');
+    await waitFor(() => {
+      expect(getContactAnalytics).toHaveBeenCalledWith({ name: 'Mystery' });
+      expect(screen.getByText('Messages')).toBeInTheDocument();
+      expect(screen.getByText('Channel Messages')).toBeInTheDocument();
+      expect(screen.getByText('4', { selector: 'p' })).toBeInTheDocument();
+      expect(screen.getByText('Name First In Use')).toBeInTheDocument();
+      expect(screen.getByText('Messages Per Hour')).toBeInTheDocument();
+      expect(screen.getByText('Messages Per Week')).toBeInTheDocument();
+      expect(screen.getByText('Most Active Rooms')).toBeInTheDocument();
+      expect(screen.getByText('#ops')).toBeInTheDocument();
+      expect(
+        screen.getByText(/Name-only analytics include channel messages only/i)
+      ).toBeInTheDocument();
+      expect(screen.getByText(/same sender name/i)).toBeInTheDocument();
+      expect(screen.getByText("Search user's messages by name")).toBeInTheDocument();
+    });
+  });
+
+  it('fires the name search callback from the name-only pane', async () => {
+    getContactAnalytics.mockResolvedValue(
+      createAnalytics(null, { lookup_type: 'name', name: 'Mystery' })
+    );
+
+    render(<ContactInfoPane {...baseProps} contactKey="name:Mystery" fromChannel />);
+
+    const button = await screen.findByRole('button', { name: "Search user's messages by name" });
+    button.click();
+
+    expect(baseProps.onSearchMessagesByName).toHaveBeenCalledWith('Mystery');
+  });
+
+  it('shows alias note in the channel attribution warning for keyed contacts', async () => {
+    const contact = createContact();
+    getContactAnalytics.mockResolvedValue(
+      createAnalytics(contact, {
+        name_history: [
+          { name: 'Alice', first_seen: 1000, last_seen: 2000 },
+          { name: 'AliceOld', first_seen: 900, last_seen: 999 },
+        ],
+      })
+    );
+
+    render(<ContactInfoPane {...baseProps} contactKey={contact.public_key} fromChannel />);
+
+    await screen.findByText(contact.public_key);
+    await waitFor(() => {
+      expect(screen.getByRole('heading', { name: 'Also Known As' })).toBeInTheDocument();
+      expect(
+        screen.getByText(
+          /may include messages previously attributed under names shown in Also Known As/i
+        )
+      ).toBeInTheDocument();
+      expect(screen.getByText("Search user's messages by key")).toBeInTheDocument();
+    });
+  });
+
+  it('fires the key search callback from the keyed pane', async () => {
+    const contact = createContact();
+    getContactAnalytics.mockResolvedValue(createAnalytics(contact));
+
+    render(<ContactInfoPane {...baseProps} contactKey={contact.public_key} />);
+
+    const button = await screen.findByRole('button', { name: "Search user's messages by key" });
+    button.click();
+
+    expect(baseProps.onSearchMessagesByKey).toHaveBeenCalledWith(contact.public_key);
+  });
 });

frontend/src/test/conversationPane.test.tsx

@@ -13,12 +13,16 @@ import type {
   RadioConfig,
 } from '../types';
 
+const mocks = vi.hoisted(() => ({
+  messageList: vi.fn(() => <div data-testid="message-list" />),
+}));
+
 vi.mock('../components/ChatHeader', () => ({
   ChatHeader: () => <div data-testid="chat-header" />,
 }));
 
 vi.mock('../components/MessageList', () => ({
-  MessageList: () => <div data-testid="message-list" />,
+  MessageList: mocks.messageList,
 }));
 
 vi.mock('../components/MessageInput', () => ({
@@ -99,11 +103,15 @@ function createProps(overrides: Partial<React.ComponentProps<typeof Conversation
     rawPackets: [],
     config,
     health,
+    notificationsSupported: true,
+    notificationsEnabled: false,
+    notificationsPermission: 'granted' as const,
     favorites: [] as Favorite[],
     messages: [message],
     messagesLoading: false,
     loadingOlder: false,
     hasOlderMessages: false,
+    unreadMarkerLastReadAt: undefined,
     targetMessageId: null,
     hasNewerMessages: false,
     loadingNewer: false,
@@ -121,7 +129,9 @@ function createProps(overrides: Partial<React.ComponentProps<typeof Conversation
     onTargetReached: vi.fn(),
     onLoadNewer: vi.fn(async () => {}),
     onJumpToBottom: vi.fn(),
+    onDismissUnreadMarker: vi.fn(),
     onSendMessage: vi.fn(async () => {}),
+    onToggleNotifications: vi.fn(),
     ...overrides,
   };
 }
@@ -129,6 +139,7 @@ function createProps(overrides: Partial<React.ComponentProps<typeof Conversation
 describe('ConversationPane', () => {
   beforeEach(() => {
     vi.clearAllMocks();
+    mocks.messageList.mockImplementation(() => <div data-testid="message-list" />);
   });
 
   it('renders the empty state when no conversation is active', () => {
@@ -192,4 +203,122 @@ describe('ConversationPane', () => {
       expect(screen.getByTestId('message-input')).toBeInTheDocument();
     });
   });
+
+  it('passes unread marker props to MessageList only for channel conversations', async () => {
+    render(
+      <ConversationPane
+        {...createProps({
+          activeConversation: {
+            type: 'channel',
+            id: channel.key,
+            name: channel.name,
+          },
+          unreadMarkerLastReadAt: 1700000000,
+        })}
+      />
+    );
+
+    await waitFor(() => {
+      expect(mocks.messageList).toHaveBeenCalled();
+    });
+
+    const channelCallArgs = mocks.messageList.mock.calls[
+      mocks.messageList.mock.calls.length - 1
+    ] as unknown[] | undefined;
+    const channelCall = channelCallArgs?.[0] as Record<string, unknown> | undefined;
+    expect(channelCall?.unreadMarkerLastReadAt).toBe(1700000000);
+    expect(channelCall?.onDismissUnreadMarker).toBeTypeOf('function');
+
+    render(
+      <ConversationPane
+        {...createProps({
+          activeConversation: {
+            type: 'contact',
+            id: 'cc'.repeat(32),
+            name: 'Alice',
+          },
+          unreadMarkerLastReadAt: 1700000000,
+        })}
+      />
+    );
+
+    const contactCallArgs = mocks.messageList.mock.calls[
+      mocks.messageList.mock.calls.length - 1
+    ] as unknown[] | undefined;
+    const contactCall = contactCallArgs?.[0] as Record<string, unknown> | undefined;
+    expect(contactCall?.unreadMarkerLastReadAt).toBeUndefined();
+    expect(contactCall?.onDismissUnreadMarker).toBeUndefined();
+  });
+
+  it('shows a warning but keeps input for full-key contacts without an advert', async () => {
+    render(
+      <ConversationPane
+        {...createProps({
+          activeConversation: {
+            type: 'contact',
+            id: 'cc'.repeat(32),
+            name: '[unknown sender]',
+          },
+          contacts: [
+            {
+              public_key: 'cc'.repeat(32),
+              name: null,
+              type: 0,
+              flags: 0,
+              last_path: null,
+              last_path_len: -1,
+              out_path_hash_mode: -1,
+              last_advert: null,
+              lat: null,
+              lon: null,
+              last_seen: 1700000000,
+              on_radio: false,
+              last_contacted: 1700000000,
+              last_read_at: null,
+              first_seen: 1700000000,
+            },
+          ],
+        })}
+      />
+    );
+
+    expect(screen.getByText(/A full identity profile is not yet available/i)).toBeInTheDocument();
+    expect(screen.getByTestId('message-input')).toBeInTheDocument();
+  });
+
+  it('hides input and shows a read-only warning for prefix-only contacts', async () => {
+    render(
+      <ConversationPane
+        {...createProps({
+          activeConversation: {
+            type: 'contact',
+            id: 'abc123def456',
+            name: 'abc123def456',
+          },
+          contacts: [
+            {
+              public_key: 'abc123def456',
+              name: null,
+              type: 0,
+              flags: 0,
+              last_path: null,
+              last_path_len: -1,
+              out_path_hash_mode: -1,
+              last_advert: null,
+              lat: null,
+              lon: null,
+              last_seen: 1700000000,
+              on_radio: false,
+              last_contacted: 1700000000,
+              last_read_at: null,
+              first_seen: 1700000000,
+            },
+          ],
+        })}
+      />
+    );
+
+    expect(screen.getByText(/This conversation is read-only/i)).toBeInTheDocument();
+    expect(screen.queryByTestId('message-input')).not.toBeInTheDocument();
+  });
 });

frontend/src/test/fanoutSection.test.tsx

@@ -90,6 +90,7 @@ describe('SettingsFanoutSection', () => {
     ).toBeInTheDocument();
     expect(screen.getByRole('menuitem', { name: 'Webhook' })).toBeInTheDocument();
     expect(screen.getByRole('menuitem', { name: 'Apprise' })).toBeInTheDocument();
+    expect(screen.getByRole('menuitem', { name: 'Amazon SQS' })).toBeInTheDocument();
     expect(screen.getByRole('menuitem', { name: 'Bot' })).toBeInTheDocument();
   });
 
@@ -309,6 +310,23 @@ describe('SettingsFanoutSection', () => {
     expect(mockedApi.createFanoutConfig).not.toHaveBeenCalled();
   });
 
+  it('new SQS draft shows queue url fields and sensible defaults', async () => {
+    renderSection();
+    await waitFor(() => {
+      expect(screen.getByRole('button', { name: 'Add Integration' })).toBeInTheDocument();
+    });
+
+    fireEvent.click(screen.getByRole('button', { name: 'Add Integration' }));
+    fireEvent.click(screen.getByRole('menuitem', { name: 'Amazon SQS' }));
+
+    await waitFor(() => {
+      expect(screen.getByText('← Back to list')).toBeInTheDocument();
+      expect(screen.getByLabelText('Name')).toHaveValue('Amazon SQS #1');
+      expect(screen.getByLabelText('Queue URL')).toBeInTheDocument();
+      expect(screen.getByText('Forward raw packets')).toBeInTheDocument();
+    });
+  });
+
   it('backing out of a new draft does not create an integration', async () => {
     renderSection();
     await waitFor(() => {
@@ -672,6 +690,30 @@ describe('SettingsFanoutSection', () => {
     );
   });
 
+  it('sqs list shows queue url summary', async () => {
+    const config: FanoutConfig = {
+      id: 'sqs-1',
+      type: 'sqs',
+      name: 'Queue Feed',
+      enabled: true,
+      config: {
+        queue_url: 'https://sqs.us-east-1.amazonaws.com/123456789012/mesh-events',
+        region_name: 'us-east-1',
+      },
+      scope: { messages: 'all', raw_packets: 'none' },
+      sort_order: 0,
+      created_at: 1000,
+    };
+    mockedApi.getFanoutConfigs.mockResolvedValue([config]);
+    renderSection();
+
+    await waitFor(() =>
+      expect(
+        screen.getByText('https://sqs.us-east-1.amazonaws.com/123456789012/mesh-events')
+      ).toBeInTheDocument()
+    );
+  });
+
   it('groups integrations by type and sorts entries alphabetically within each group', async () => {
     mockedApi.getFanoutConfigs.mockResolvedValue([
       {

frontend/src/test/mapView.test.tsx

@@ -0,0 +1,55 @@
+import { forwardRef } from 'react';
+import { render, screen } from '@testing-library/react';
+import { describe, expect, it, vi } from 'vitest';
+import { MapView } from '../components/MapView';
+import type { Contact } from '../types';
+
+vi.mock('react-leaflet', () => ({
+  MapContainer: ({ children }: { children: React.ReactNode }) => <div>{children}</div>,
+  TileLayer: () => null,
+  CircleMarker: forwardRef<
+    HTMLDivElement,
+    { children: React.ReactNode; pathOptions?: { fillColor?: string } }
+  >(({ children, pathOptions }, ref) => (
+    <div ref={ref} data-fill-color={pathOptions?.fillColor}>
+      {children}
+    </div>
+  )),
+  Popup: ({ children }: { children: React.ReactNode }) => <div>{children}</div>,
+  useMap: () => ({
+    setView: vi.fn(),
+    fitBounds: vi.fn(),
+  }),
+}));
+
+describe('MapView', () => {
+  it('renders a never-heard fallback for a focused contact without last_seen', () => {
+    const contact: Contact = {
+      public_key: 'aa'.repeat(32),
+      name: 'Mystery Node',
+      type: 1,
+      flags: 0,
+      last_path: null,
+      last_path_len: -1,
+      out_path_hash_mode: -1,
+      route_override_path: null,
+      route_override_len: null,
+      route_override_hash_mode: null,
+      last_advert: null,
+      lat: 40,
+      lon: -74,
+      last_seen: null,
+      on_radio: false,
+      last_contacted: null,
+      last_read_at: null,
+      first_seen: null,
+    };
+
+    render(<MapView contacts={[contact]} focusedKey={contact.public_key} />);
+
+    expect(
+      screen.getByText(/showing 1 contact heard in the last 7 days plus the focused contact/i)
+    ).toBeInTheDocument();
+    expect(screen.getByText('Last heard: Never heard by this server')).toBeInTheDocument();
+  });
+});

frontend/src/test/messageList.test.tsx

@@ -1,9 +1,13 @@
 import { render, screen } from '@testing-library/react';
-import { describe, expect, it } from 'vitest';
+import userEvent from '@testing-library/user-event';
+import { useState } from 'react';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 
 import { MessageList } from '../components/MessageList';
 import type { Message } from '../types';
 
+const scrollIntoViewMock = vi.fn();
+
 function createMessage(overrides: Partial<Message> = {}): Message {
   return {
     id: 1,
@@ -24,6 +28,15 @@ function createMessage(overrides: Partial<Message> = {}): Message {
 }
 
 describe('MessageList channel sender rendering', () => {
+  beforeEach(() => {
+    scrollIntoViewMock.mockReset();
+    Object.defineProperty(HTMLElement.prototype, 'scrollIntoView', {
+      configurable: true,
+      value: scrollIntoViewMock,
+      writable: true,
+    });
+  });
+
   it('renders explicit corrupt placeholder and warning avatar for unnamed corrupt channel packets', () => {
     render(
       <MessageList
@@ -61,4 +74,85 @@ describe('MessageList channel sender rendering', () => {
     expect(screen.getByText('Alice')).toBeInTheDocument();
     expect(screen.getByText('A')).toBeInTheDocument();
   });
+
+  it('gives clickable sender avatars an accessible label', () => {
+    render(
+      <MessageList
+        messages={[
+          createMessage({
+            text: 'garbled payload with no sender prefix',
+            sender_name: 'Alice',
+            sender_key: 'ab'.repeat(32),
+          }),
+        ]}
+        contacts={[]}
+        loading={false}
+        onOpenContactInfo={() => {}}
+      />
+    );
+
+    expect(screen.getByRole('button', { name: 'View info for Alice' })).toBeInTheDocument();
+  });
+
+  it('renders and dismisses an unread marker at the first unread message boundary', async () => {
+    const user = userEvent.setup();
+    const messages = [
+      createMessage({ id: 1, received_at: 1700000001, text: 'Alice: older' }),
+      createMessage({ id: 2, received_at: 1700000010, text: 'Alice: newer' }),
+    ];
+
+    function DismissibleUnreadMarkerList() {
+      const [unreadMarkerLastReadAt, setUnreadMarkerLastReadAt] = useState<number | undefined>(
+        1700000005
+      );
+
+      return (
+        <MessageList
+          messages={messages}
+          contacts={[]}
+          loading={false}
+          unreadMarkerLastReadAt={unreadMarkerLastReadAt}
+          onDismissUnreadMarker={() => setUnreadMarkerLastReadAt(undefined)}
+        />
+      );
+    }
+
+    render(<DismissibleUnreadMarkerList />);
+
+    const marker = screen.getByRole('button', { name: /Unread messages/i });
+    expect(marker).toBeInTheDocument();
+    expect(screen.getByText('older')).toBeInTheDocument();
+    expect(screen.getByText('newer')).toBeInTheDocument();
+
+    await user.click(marker);
+
+    expect(screen.queryByRole('button', { name: /Unread messages/i })).not.toBeInTheDocument();
+  });
+
+  it('shows a jump-to-unread button and dismisses it after use without hiding the marker', async () => {
+    const user = userEvent.setup();
+    const messages = [
+      createMessage({ id: 1, received_at: 1700000001, text: 'Alice: older' }),
+      createMessage({ id: 2, received_at: 1700000010, text: 'Alice: newer' }),
+    ];
+
+    render(
+      <MessageList
+        messages={messages}
+        contacts={[]}
+        loading={false}
+        unreadMarkerLastReadAt={1700000005}
+      />
+    );
+
+    const jumpButton = screen.getByRole('button', { name: 'Jump to unread' });
+    expect(jumpButton).toBeInTheDocument();
+    expect(screen.getByText('Unread messages')).toBeInTheDocument();
+
+    await user.click(jumpButton);
+
+    expect(screen.queryByRole('button', { name: 'Jump to unread' })).not.toBeInTheDocument();
+    expect(screen.getByText('Unread messages')).toBeInTheDocument();
+    expect(scrollIntoViewMock).toHaveBeenCalled();
+  });
 });

frontend/src/test/repeaterDashboard.test.tsx

@@ -38,7 +38,8 @@ const mockHook: {
   refreshPane: vi.fn(),
   loadAll: vi.fn(),
   sendConsoleCommand: vi.fn(),
-  sendAdvert: vi.fn(),
+  sendZeroHopAdvert: vi.fn(),
+  sendFloodAdvert: vi.fn(),
   rebootRepeater: vi.fn(),
   syncClock: vi.fn(),
 };
@@ -98,10 +99,14 @@ const defaultProps = {
   conversation,
   contacts,
   favorites,
+  notificationsSupported: true,
+  notificationsEnabled: false,
+  notificationsPermission: 'granted' as const,
   radioLat: null,
   radioLon: null,
   radioName: null,
   onTrace: vi.fn(),
+  onToggleNotifications: vi.fn(),
   onToggleFavorite: vi.fn(),
   onDeleteContact: vi.fn(),
 };
@@ -189,6 +194,21 @@ describe('RepeaterDashboard', () => {
     expect(mockHook.loadAll).toHaveBeenCalledTimes(1);
   });
 
+  it('shows enabled notification state and toggles when clicked', () => {
+    render(
+      <RepeaterDashboard
+        {...defaultProps}
+        notificationsEnabled
+        onToggleNotifications={defaultProps.onToggleNotifications}
+      />
+    );
+
+    fireEvent.click(screen.getByText('Notifications On'));
+
+    expect(screen.getByText('Notifications On')).toBeInTheDocument();
+    expect(defaultProps.onToggleNotifications).toHaveBeenCalledTimes(1);
+  });
+
   it('shows login error when present', () => {
     mockHook.loginError = 'Invalid password';
 
@@ -244,12 +264,27 @@ describe('RepeaterDashboard', () => {
     expect(screen.getByText('7.5 dB')).toBeInTheDocument();
   });
 
+  it('shows fetched time and relative age when pane data has been loaded', () => {
+    mockHook.loggedIn = true;
+    mockHook.paneStates.status = {
+      loading: false,
+      attempt: 1,
+      error: null,
+      fetched_at: Date.now(),
+    };
+
+    render(<RepeaterDashboard {...defaultProps} />);
+
+    expect(screen.getByText(/Fetched .*Just now/)).toBeInTheDocument();
+  });
+
   it('renders action buttons', () => {
     mockHook.loggedIn = true;
 
     render(<RepeaterDashboard {...defaultProps} />);
 
-    expect(screen.getByText('Send Advert')).toBeInTheDocument();
+    expect(screen.getByText('Zero Hop Advert')).toBeInTheDocument();
+    expect(screen.getByText('Flood Advert')).toBeInTheDocument();
     expect(screen.getByText('Sync Clock')).toBeInTheDocument();
     expect(screen.getByText('Reboot')).toBeInTheDocument();
   });

frontend/src/test/searchView.test.tsx

@@ -70,6 +70,10 @@ describe('SearchView', () => {
     mockGetMessages.mockResolvedValue([]);
     render(<SearchView {...defaultProps} />);
     expect(screen.getByText('Type to search across all messages')).toBeInTheDocument();
+    expect(screen.getByText(/Tip: use/i)).toBeInTheDocument();
+    expect(
+      screen.getByText(/User-key linkage for group messages is best-effort/i)
+    ).toBeInTheDocument();
   });
 
   it('focuses input on mount', () => {
@@ -246,4 +250,68 @@ describe('SearchView', () => {
 
     expect(screen.getByText('Bob')).toBeInTheDocument();
   });
+
+  it('passes raw operator queries to the API and highlights only free text', async () => {
+    mockGetMessages.mockResolvedValue([createSearchResult({ text: 'hello world' })]);
+
+    render(<SearchView {...defaultProps} />);
+
+    await typeAndWaitForResults('user:Alice hello');
+
+    expect(mockGetMessages).toHaveBeenCalledWith(
+      expect.objectContaining({ q: 'user:Alice hello' }),
+      expect.any(AbortSignal)
+    );
+    expect(screen.getByText('hello', { selector: 'mark' })).toBeInTheDocument();
+    expect(screen.queryByText('user:Alice', { selector: 'mark' })).not.toBeInTheDocument();
+  });
+
+  it('runs a prefilled search immediately', async () => {
+    mockGetMessages.mockResolvedValue([createSearchResult({ text: 'prefilled result' })]);
+
+    render(
+      <SearchView {...defaultProps} prefillRequest={{ query: 'user:"Alice Smith"', nonce: 1 }} />
+    );
+
+    await act(async () => {
+      await new Promise((resolve) => setTimeout(resolve, 0));
+    });
+
+    expect(screen.getByLabelText('Search messages')).toHaveValue('user:"Alice Smith"');
+    expect(mockGetMessages).toHaveBeenCalledWith(
+      expect.objectContaining({ q: 'user:"Alice Smith"' }),
+      expect.any(AbortSignal)
+    );
+  });
+
+  it('aborts the load-more request on unmount', async () => {
+    const pageResults = Array.from({ length: 50 }, (_, i) =>
+      createSearchResult({ id: i + 1, text: `result ${i}` })
+    );
+    let resolveLoadMore: ((value: Message[]) => void) | null = null;
+    mockGetMessages.mockResolvedValueOnce(pageResults).mockImplementationOnce(
+      () =>
+        new Promise<Message[]>((resolve) => {
+          resolveLoadMore = resolve;
+        })
+    );
+
+    const { unmount } = render(<SearchView {...defaultProps} />);
+
+    await typeAndWaitForResults('result');
+    fireEvent.click(screen.getByText('Load more results'));
+
+    const loadMoreSignal = mockGetMessages.mock.calls[1]?.[1] as AbortSignal | undefined;
+    expect(loadMoreSignal).toBeInstanceOf(AbortSignal);
+    expect(loadMoreSignal?.aborted).toBe(false);
+
+    unmount();
+
+    expect(loadMoreSignal?.aborted).toBe(true);
+
+    await act(async () => {
+      resolveLoadMore?.([createSearchResult({ id: 99, text: 'late result' })]);
+      await Promise.resolve();
+    });
+  });
 });

frontend/src/test/settingsModal.test.tsx

@@ -32,6 +32,7 @@ const baseConfig: RadioConfig = {
   },
   path_hash_mode: 0,
   path_hash_mode_supported: false,
+  advert_location_source: 'current',
 };
 
 const baseHealth: HealthStatus = {
@@ -68,6 +69,8 @@ function renderModal(overrides?: {
   onClose?: () => void;
   onSetPrivateKey?: (key: string) => Promise<void>;
   onReboot?: () => Promise<void>;
+  onDisconnect?: () => Promise<void>;
+  onReconnect?: () => Promise<void>;
   open?: boolean;
   pageMode?: boolean;
   externalSidebarNav?: boolean;
@@ -82,6 +85,8 @@ function renderModal(overrides?: {
   const onClose = overrides?.onClose ?? vi.fn();
   const onSetPrivateKey = overrides?.onSetPrivateKey ?? vi.fn(async () => {});
   const onReboot = overrides?.onReboot ?? vi.fn(async () => {});
+  const onDisconnect = overrides?.onDisconnect ?? vi.fn(async () => {});
+  const onReconnect = overrides?.onReconnect ?? vi.fn(async () => {});
 
   const commonProps = {
     open: overrides?.open ?? true,
@@ -94,6 +99,8 @@ function renderModal(overrides?: {
     onSaveAppSettings,
     onSetPrivateKey,
     onReboot,
+    onDisconnect,
+    onReconnect,
     onAdvertise: vi.fn(async () => {}),
     onHealthRefresh: vi.fn(async () => {}),
     onRefreshAppSettings,
@@ -116,6 +123,8 @@ function renderModal(overrides?: {
     onClose,
     onSetPrivateKey,
     onReboot,
+    onDisconnect,
+    onReconnect,
     view,
   };
 }
@@ -179,15 +188,36 @@ describe('SettingsModal', () => {
     expect(screen.queryByLabelText('Preset')).not.toBeInTheDocument();
   });
 
-  it('shows favorite-first contact sync helper text in radio tab', async () => {
+  it('shows favorite-contact radio sync helper text in radio tab', async () => {
     renderModal();
     openRadioSection();
 
-    expect(
-      screen.getByText(
-        /Favorite contacts load first, then recent non-repeater contacts until this\s+limit is reached/i
-      )
-    ).toBeInTheDocument();
+    expect(screen.getByText(/Configured radio contact capacity/i)).toBeInTheDocument();
+  });
+
+  it('shows reconnect action when radio connection is paused', () => {
+    renderModal({
+      health: { ...baseHealth, radio_state: 'paused' },
+    });
+    openRadioSection();
+
+    expect(screen.getByRole('button', { name: 'Reconnect' })).toBeInTheDocument();
+  });
+
+  it('saves advert location source through radio config save', async () => {
+    const { onSave } = renderModal();
+    openRadioSection();
+
+    fireEvent.change(screen.getByLabelText('Advert Location Source'), {
+      target: { value: 'off' },
+    });
+    fireEvent.click(screen.getByRole('button', { name: 'Save' }));
+
+    await waitFor(() => {
+      expect(onSave).toHaveBeenCalledWith(
+        expect.objectContaining({ advert_location_source: 'off' })
+      );
+    });
   });
 
   it('saves changed max contacts value through onSaveAppSettings', async () => {
@@ -266,6 +296,14 @@ describe('SettingsModal', () => {
     expect(screen.queryByLabelText('Local label text')).not.toBeInTheDocument();
   });
 
+  it('lists the new Windows 95 and iPhone themes', () => {
+    renderModal();
+    openLocalSection();
+
+    expect(screen.getByText('Windows 95')).toBeInTheDocument();
+    expect(screen.getByText('iPhone')).toBeInTheDocument();
+  });
+
   it('clears stale errors when switching external desktop sections', async () => {
     const onSaveAppSettings = vi.fn(async () => {
       throw new Error('Save failed');
@@ -295,6 +333,8 @@ describe('SettingsModal', () => {
         onSaveAppSettings={onSaveAppSettings}
         onSetPrivateKey={vi.fn(async () => {})}
         onReboot={vi.fn(async () => {})}
+        onDisconnect={vi.fn(async () => {})}
+        onReconnect={vi.fn(async () => {})}
         onAdvertise={vi.fn(async () => {})}
         onHealthRefresh={vi.fn(async () => {})}
         onRefreshAppSettings={vi.fn(async () => {})}
@@ -316,6 +356,8 @@ describe('SettingsModal', () => {
       onSave,
       onSetPrivateKey,
       onReboot,
+      onDisconnect: vi.fn(async () => {}),
+      onReconnect: vi.fn(async () => {}),
     });
     openRadioSection();
 

frontend/src/test/sidebar.test.tsx

@@ -41,6 +41,7 @@ function renderSidebar(overrides?: {
   favorites?: Favorite[];
   lastMessageTimes?: ConversationTimes;
   channels?: Channel[];
+  isConversationNotificationsEnabled?: (type: 'channel' | 'contact', id: string) => boolean;
 }) {
   const aliceName = 'Alice';
   const publicChannel = makeChannel('AA'.repeat(16), 'Public');
@@ -76,6 +77,7 @@ function renderSidebar(overrides?: {
       favorites={favorites}
       sortOrder="recent"
       onSortOrderChange={vi.fn()}
+      isConversationNotificationsEnabled={overrides?.isConversationNotificationsEnabled}
     />
   );
 
@@ -148,7 +150,7 @@ describe('Sidebar section summaries', () => {
     expect(screen.queryByText(opsChannel.name)).not.toBeInTheDocument();
     expect(screen.queryByText(aliceName)).not.toBeInTheDocument();
 
-    const search = screen.getByPlaceholderText('Search...');
+    const search = screen.getByLabelText('Search conversations');
     fireEvent.change(search, { target: { value: 'alice' } });
 
     await waitFor(() => {
@@ -218,4 +220,37 @@ describe('Sidebar section summaries', () => {
     const selectedIds = onSelectConversation.mock.calls.map(([conv]) => conv.id);
     expect(new Set(selectedIds)).toEqual(new Set([channelA.key, channelB.key]));
   });
+
+  it('shows a notification bell for conversations with notifications enabled', () => {
+    const { aliceName } = renderSidebar({
+      unreadCounts: {},
+      isConversationNotificationsEnabled: (type, id) =>
+        (type === 'contact' && id === '11'.repeat(32)) ||
+        (type === 'channel' && id === 'BB'.repeat(16)),
+    });
+
+    const aliceRow = screen.getByText(aliceName).closest('div');
+    const flightRow = screen.getByText('#flight').closest('div');
+    if (!aliceRow || !flightRow) throw new Error('Missing sidebar rows');
+
+    expect(within(aliceRow).getByLabelText('Notifications enabled')).toBeInTheDocument();
+    expect(within(flightRow).getByLabelText('Notifications enabled')).toBeInTheDocument();
+  });
+
+  it('keeps the notification bell to the left of the unread pill when both are present', () => {
+    const { aliceName } = renderSidebar({
+      unreadCounts: {
+        [getStateKey('contact', '11'.repeat(32))]: 3,
+      },
+      isConversationNotificationsEnabled: (type, id) =>
+        type === 'contact' && id === '11'.repeat(32),
+    });
+
+    const aliceRow = screen.getByText(aliceName).closest('div');
+    if (!aliceRow) throw new Error('Missing Alice row');
+
+    const bell = within(aliceRow).getByLabelText('Notifications enabled');
+    const unread = within(aliceRow).getByText('3');
+    expect(bell.compareDocumentPosition(unread) & Node.DOCUMENT_POSITION_FOLLOWING).toBeTruthy();
+  });
 });

frontend/src/test/statusBar.test.tsx

@@ -1,4 +1,4 @@
-import { render, screen } from '@testing-library/react';
+import { fireEvent, render, screen } from '@testing-library/react';
 import { describe, expect, it, vi } from 'vitest';
 
 import { StatusBar } from '../components/StatusBar';
@@ -47,4 +47,34 @@ describe('StatusBar', () => {
     expect(screen.getByRole('status', { name: 'Radio Disconnected' })).toBeInTheDocument();
     expect(screen.getByRole('button', { name: 'Reconnect' })).toBeInTheDocument();
   });
+
+  it('shows Radio Paused and a Connect action when reconnect attempts are paused', () => {
+    render(
+      <StatusBar
+        health={{ ...baseHealth, radio_state: 'paused' }}
+        config={null}
+        onSettingsClick={vi.fn()}
+      />
+    );
+
+    expect(screen.getByRole('status', { name: 'Radio Paused' })).toBeInTheDocument();
+    expect(screen.getByRole('button', { name: 'Connect' })).toBeInTheDocument();
+  });
+
+  it('toggles between classic and light themes from the shortcut button', () => {
+    localStorage.setItem('remoteterm-theme', 'cyberpunk');
+
+    render(<StatusBar health={baseHealth} config={null} onSettingsClick={vi.fn()} />);
+
+    const themeToggle = screen.getByRole('button', { name: 'Switch to light theme' });
+    fireEvent.click(themeToggle);
+
+    expect(localStorage.getItem('remoteterm-theme')).toBe('light');
+    expect(document.documentElement.dataset.theme).toBe('light');
+
+    fireEvent.click(screen.getByRole('button', { name: 'Switch to classic theme' }));
+
+    expect(localStorage.getItem('remoteterm-theme')).toBe('original');
+    expect(document.documentElement.dataset.theme).toBeUndefined();
+  });
 });

frontend/src/test/unreadMarkerBackfill.test.ts

@@ -0,0 +1,101 @@
+import { describe, expect, it } from 'vitest';
+
+import { getUnreadBoundaryBackfillKey } from '../App';
+import type { Conversation, Message } from '../types';
+
+function createMessage(overrides: Partial<Message> = {}): Message {
+  return {
+    id: 1,
+    type: 'CHAN',
+    conversation_key: 'channel-1',
+    text: 'Alice: hello',
+    sender_timestamp: 1700000000,
+    received_at: 1700000001,
+    paths: null,
+    txt_type: 0,
+    signature: null,
+    sender_key: null,
+    outgoing: false,
+    acked: 0,
+    sender_name: 'Alice',
+    ...overrides,
+  };
+}
+
+const channelConversation: Conversation = {
+  type: 'channel',
+  id: 'channel-1',
+  name: 'Busy room',
+};
+
+describe('getUnreadBoundaryBackfillKey', () => {
+  it('returns a fetch key when the unread boundary is older than the loaded window', () => {
+    expect(
+      getUnreadBoundaryBackfillKey({
+        activeConversation: channelConversation,
+        unreadMarker: {
+          channelId: 'channel-1',
+          lastReadAt: 1700000000,
+        },
+        messages: [
+          createMessage({ id: 20, received_at: 1700000200 }),
+          createMessage({ id: 21, received_at: 1700000300 }),
+        ],
+        messagesLoading: false,
+        loadingOlder: false,
+        hasOlderMessages: true,
+      })
+    ).toBe('channel-1:1700000000:20');
+  });
+
+  it('does not backfill when the loaded window already reaches the unread boundary', () => {
+    expect(
+      getUnreadBoundaryBackfillKey({
+        activeConversation: channelConversation,
+        unreadMarker: {
+          channelId: 'channel-1',
+          lastReadAt: 1700000200,
+        },
+        messages: [
+          createMessage({ id: 20, received_at: 1700000200 }),
+          createMessage({ id: 21, received_at: 1700000300 }),
+        ],
+        messagesLoading: false,
+        loadingOlder: false,
+        hasOlderMessages: true,
+      })
+    ).toBeNull();
+  });
+
+  it('does not backfill when there is no older history to fetch', () => {
+    expect(
+      getUnreadBoundaryBackfillKey({
+        activeConversation: channelConversation,
+        unreadMarker: {
+          channelId: 'channel-1',
+          lastReadAt: 1700000000,
+        },
+        messages: [createMessage({ id: 20, received_at: 1700000200 })],
+        messagesLoading: false,
+        loadingOlder: false,
+        hasOlderMessages: false,
+      })
+    ).toBeNull();
+  });
+
+  it('does not backfill for channels where everything is unread', () => {
+    expect(
+      getUnreadBoundaryBackfillKey({
+        activeConversation: channelConversation,
+        unreadMarker: {
+          channelId: 'channel-1',
+          lastReadAt: null,
+        },
+        messages: [createMessage({ id: 20, received_at: 1700000200 })],
+        messagesLoading: false,
+        loadingOlder: false,
+        hasOlderMessages: true,
+      })
+    ).toBeNull();
+  });
+});

frontend/src/test/useBrowserNotifications.test.ts

@@ -0,0 +1,151 @@
+import { act, renderHook } from '@testing-library/react';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+
+import { useBrowserNotifications } from '../hooks/useBrowserNotifications';
+import type { Message } from '../types';
+
+const mocks = vi.hoisted(() => ({
+  toast: {
+    success: vi.fn(),
+    error: vi.fn(),
+  },
+}));
+
+vi.mock('../components/ui/sonner', () => ({
+  toast: mocks.toast,
+}));
+
+const incomingChannelMessage: Message = {
+  id: 42,
+  type: 'CHAN',
+  conversation_key: 'ab'.repeat(16),
+  text: 'hello room',
+  sender_timestamp: 1700000000,
+  received_at: 1700000001,
+  paths: null,
+  txt_type: 0,
+  signature: null,
+  sender_key: 'cd'.repeat(32),
+  outgoing: false,
+  acked: 0,
+  sender_name: 'Alice',
+  channel_name: '#flightless',
+};
+
+describe('useBrowserNotifications', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+    window.localStorage.clear();
+    window.location.hash = '';
+    vi.spyOn(window, 'open').mockReturnValue(null);
+
+    Object.defineProperty(document, 'visibilityState', {
+      configurable: true,
+      value: 'hidden',
+    });
+    vi.spyOn(document, 'hasFocus').mockReturnValue(false);
+
+    const NotificationMock = vi.fn().mockImplementation(function (this: Record<string, unknown>) {
+      this.close = vi.fn();
+      this.onclick = null;
+    });
+    Object.assign(NotificationMock, {
+      permission: 'granted',
+      requestPermission: vi.fn(async () => 'granted'),
+    });
+    Object.defineProperty(window, 'Notification', {
+      configurable: true,
+      value: NotificationMock,
+    });
+  });
+
+  it('stores notification opt-in per conversation', async () => {
+    const { result } = renderHook(() => useBrowserNotifications());
+
+    await act(async () => {
+      await result.current.toggleConversationNotifications(
+        'channel',
+        incomingChannelMessage.conversation_key,
+        '#flightless'
+      );
+    });
+
+    expect(
+      result.current.isConversationNotificationsEnabled(
+        'channel',
+        incomingChannelMessage.conversation_key
+      )
+    ).toBe(true);
+    expect(result.current.isConversationNotificationsEnabled('contact', 'ef'.repeat(32))).toBe(
+      false
+    );
+    expect(window.Notification).toHaveBeenCalledWith('New message in #flightless', {
+      body: 'Notifications will look like this. These require the tab to stay open, and will not be reliable on mobile.',
+      icon: '/favicon-256x256.png',
+      tag: `meshcore-notification-preview-channel-${incomingChannelMessage.conversation_key}`,
+    });
+  });
+
+  it('only sends desktop notifications for opted-in conversations', async () => {
+    const { result } = renderHook(() => useBrowserNotifications());
+
+    await act(async () => {
+      await result.current.toggleConversationNotifications(
+        'channel',
+        incomingChannelMessage.conversation_key,
+        '#flightless'
+      );
+    });
+
+    act(() => {
+      result.current.notifyIncomingMessage(incomingChannelMessage);
+      result.current.notifyIncomingMessage({
+        ...incomingChannelMessage,
+        id: 43,
+        conversation_key: '34'.repeat(16),
+        channel_name: '#elsewhere',
+      });
+    });
+
+    expect(window.Notification).toHaveBeenCalledTimes(2);
+    expect(window.Notification).toHaveBeenNthCalledWith(2, 'New message in #flightless', {
+      body: 'hello room',
+      icon: '/favicon-256x256.png',
+      tag: 'meshcore-message-42',
+    });
+  });
+
+  it('notification click deep-links to the conversation hash', async () => {
+    const focusSpy = vi.spyOn(window, 'focus').mockImplementation(() => {});
+    const { result } = renderHook(() => useBrowserNotifications());
+
+    await act(async () => {
+      await result.current.toggleConversationNotifications(
+        'channel',
+        incomingChannelMessage.conversation_key,
+        '#flightless'
+      );
+    });
+
+    act(() => {
+      result.current.notifyIncomingMessage(incomingChannelMessage);
+    });
+
+    const notificationInstance = (window.Notification as unknown as ReturnType<typeof vi.fn>).mock
+      .instances[1] as {
+      onclick: (() => void) | null;
+      close: ReturnType<typeof vi.fn>;
+    };
+
+    act(() => {
+      notificationInstance.onclick?.();
+    });
+
+    expect(window.open).toHaveBeenCalledWith(
+      `${window.location.origin}${window.location.pathname}#channel/${incomingChannelMessage.conversation_key}/%23flightless`,
+      '_self'
+    );
+    expect(focusSpy).toHaveBeenCalledTimes(1);
+    expect(notificationInstance.close).toHaveBeenCalledTimes(1);
+  });
+});