Rebase migrations, add some tests, API endpoint (whoops said we didn't need that and we did lol)

Move to fk pragma

app/database.py

@@ -66,7 +66,7 @@ CREATE TABLE IF NOT EXISTS raw_packets (
     data BLOB NOT NULL,
     message_id INTEGER,
     payload_hash BLOB,
-    FOREIGN KEY (message_id) REFERENCES messages(id)
+    FOREIGN KEY (message_id) REFERENCES messages(id) ON DELETE SET NULL
 );
 
 CREATE TABLE IF NOT EXISTS contact_advert_paths (
@@ -78,7 +78,7 @@ CREATE TABLE IF NOT EXISTS contact_advert_paths (
     last_seen INTEGER NOT NULL,
     heard_count INTEGER NOT NULL DEFAULT 1,
     UNIQUE(public_key, path_hex, path_len),
-    FOREIGN KEY (public_key) REFERENCES contacts(public_key)
+    FOREIGN KEY (public_key) REFERENCES contacts(public_key) ON DELETE CASCADE
 );
 
 CREATE TABLE IF NOT EXISTS contact_name_history (
@@ -88,7 +88,7 @@ CREATE TABLE IF NOT EXISTS contact_name_history (
     first_seen INTEGER NOT NULL,
     last_seen INTEGER NOT NULL,
     UNIQUE(public_key, name),
-    FOREIGN KEY (public_key) REFERENCES contacts(public_key)
+    FOREIGN KEY (public_key) REFERENCES contacts(public_key) ON DELETE CASCADE
 );
 
 CREATE INDEX IF NOT EXISTS idx_messages_received ON messages(received_at);
@@ -132,6 +132,12 @@ class Database:
         # migration 20 handles the one-time VACUUM to restructure the file.
         await self._connection.execute("PRAGMA auto_vacuum = INCREMENTAL")
 
+        # Foreign key enforcement: must be set per-connection (not persisted).
+        # Disabled during schema init and migrations to avoid issues with
+        # historical table-rebuild migrations that may temporarily violate
+        # constraints, then re-enabled for all subsequent application queries.
+        await self._connection.execute("PRAGMA foreign_keys = OFF")
+
         await self._connection.executescript(SCHEMA)
         await self._connection.commit()
         logger.debug("Database schema initialized")
@@ -141,6 +147,10 @@ class Database:
 
         await run_migrations(self._connection)
 
+        # Enable FK enforcement for all application queries from this point on.
+        await self._connection.execute("PRAGMA foreign_keys = ON")
+        logger.debug("Foreign key enforcement enabled")
+
     async def disconnect(self) -> None:
         if self._connection:
             await self._connection.close()

app/migrations.py

@@ -367,6 +367,28 @@ async def run_migrations(conn: aiosqlite.Connection) -> int:
         await set_version(conn, 47)
         applied += 1
 
+    # Migration 48: Add discovery_blocked_types column to app_settings
+    if version < 48:
+        logger.info("Applying migration 48: add discovery_blocked_types to app_settings")
+        await _migrate_048_discovery_blocked_types(conn)
+        await set_version(conn, 48)
+        applied += 1
+
+    # Migration 49: Enable foreign key enforcement — rebuild tables with
+    # CASCADE / SET NULL and clean up any orphaned rows first.
+    if version < 49:
+        logger.info("Applying migration 49: add foreign key cascade/set-null and clean orphans")
+        await _migrate_049_foreign_key_cascade(conn)
+        await set_version(conn, 49)
+        applied += 1
+
+    # Migration 50: Repeater telemetry history table
+    if version < 50:
+        logger.info("Applying migration 50: repeater telemetry history table")
+        await _migrate_050_repeater_telemetry_history(conn)
+        await set_version(conn, 50)
+        applied += 1
+
     if applied > 0:
         logger.info(
             "Applied %d migration(s), schema now at version %d", applied, await get_version(conn)
@@ -829,7 +851,7 @@ async def _migrate_009_create_app_settings_table(conn: aiosqlite.Connection) ->
             id INTEGER PRIMARY KEY CHECK (id = 1),
             max_radio_contacts INTEGER DEFAULT 200,
             favorites TEXT DEFAULT '[]',
-            auto_decrypt_dm_on_advert INTEGER DEFAULT 0,
+            auto_decrypt_dm_on_advert INTEGER DEFAULT 1,
             sidebar_sort_order TEXT DEFAULT 'recent',
             last_message_times TEXT DEFAULT '{}',
             preferences_migrated INTEGER DEFAULT 0
@@ -841,7 +863,7 @@ async def _migrate_009_create_app_settings_table(conn: aiosqlite.Connection) ->
     await conn.execute(
         """
         INSERT OR IGNORE INTO app_settings (id, max_radio_contacts, favorites, auto_decrypt_dm_on_advert, sidebar_sort_order, last_message_times, preferences_migrated)
-        VALUES (1, 200, '[]', 0, 'recent', '{}', 0)
+        VALUES (1, 200, '[]', 1, 'recent', '{}', 0)
         """
     )
 
@@ -2909,3 +2931,201 @@ async def _migrate_047_add_statistics_indexes(conn: aiosqlite.Connection) -> Non
                 """
             )
     await conn.commit()
+
+
+async def _migrate_048_discovery_blocked_types(conn: aiosqlite.Connection) -> None:
+    """Add discovery_blocked_types column to app_settings.
+
+    Stores a JSON array of integer contact type codes (1=Client, 2=Repeater,
+    3=Room, 4=Sensor) whose advertisements should not create new contacts.
+    Empty list means all types are accepted.
+    """
+    try:
+        await conn.execute(
+            "ALTER TABLE app_settings ADD COLUMN discovery_blocked_types TEXT DEFAULT '[]'"
+        )
+    except Exception as e:
+        error_msg = str(e).lower()
+        if "duplicate column" in error_msg:
+            logger.debug("discovery_blocked_types column already exists, skipping")
+        elif "no such table" in error_msg:
+            logger.debug("app_settings table not ready, skipping discovery_blocked_types migration")
+        else:
+            raise
+    await conn.commit()
+
+
+async def _migrate_049_foreign_key_cascade(conn: aiosqlite.Connection) -> None:
+    """Rebuild FK tables with CASCADE/SET NULL and clean orphaned rows.
+
+    SQLite cannot ALTER existing FK constraints, so each table is rebuilt.
+    Orphaned child rows are cleaned up before the rebuild to ensure the
+    INSERT...SELECT into the new table (which has enforced FKs) succeeds.
+    """
+    import shutil
+    from pathlib import Path
+
+    # Back up the database before table rebuilds (skip for in-memory DBs).
+    cursor = await conn.execute("PRAGMA database_list")
+    db_row = await cursor.fetchone()
+    db_path = db_row[2] if db_row else ""
+    if db_path and db_path != ":memory:" and Path(db_path).exists():
+        backup_path = db_path + ".pre-fk-migration.bak"
+        for suffix in ("", "-wal", "-shm"):
+            src = Path(db_path + suffix)
+            if src.exists():
+                shutil.copy2(str(src), backup_path + suffix)
+        logger.info("Database backed up to %s before FK migration", backup_path)
+
+    # --- Phase 1: clean orphans (guard each table's existence) ---
+    tables_cursor = await conn.execute("SELECT name FROM sqlite_master WHERE type='table'")
+    existing_tables = {row[0] for row in await tables_cursor.fetchall()}
+
+    if "contact_advert_paths" in existing_tables and "contacts" in existing_tables:
+        await conn.execute(
+            "DELETE FROM contact_advert_paths "
+            "WHERE public_key NOT IN (SELECT public_key FROM contacts)"
+        )
+    if "contact_name_history" in existing_tables and "contacts" in existing_tables:
+        await conn.execute(
+            "DELETE FROM contact_name_history "
+            "WHERE public_key NOT IN (SELECT public_key FROM contacts)"
+        )
+    if "raw_packets" in existing_tables and "messages" in existing_tables:
+        # Guard: message_id column may not exist on very old schemas
+        col_cursor = await conn.execute("PRAGMA table_info(raw_packets)")
+        raw_cols = {row[1] for row in await col_cursor.fetchall()}
+        if "message_id" in raw_cols:
+            await conn.execute(
+                "UPDATE raw_packets SET message_id = NULL WHERE message_id IS NOT NULL "
+                "AND message_id NOT IN (SELECT id FROM messages)"
+            )
+    await conn.commit()
+    logger.debug("Cleaned orphaned child rows before FK rebuild")
+
+    # --- Phase 2: rebuild raw_packets with ON DELETE SET NULL ---
+    # Skip if raw_packets doesn't have message_id (pre-migration-18 schema)
+    raw_has_message_id = False
+    if "raw_packets" in existing_tables:
+        col_cursor2 = await conn.execute("PRAGMA table_info(raw_packets)")
+        raw_has_message_id = "message_id" in {row[1] for row in await col_cursor2.fetchall()}
+
+    if raw_has_message_id:
+        # Dynamically build column list based on what the old table actually has,
+        # since very old schemas may lack payload_hash (added in migration 28).
+        col_cursor3 = await conn.execute("PRAGMA table_info(raw_packets)")
+        old_cols = [row[1] for row in await col_cursor3.fetchall()]
+
+        new_col_defs = [
+            "id INTEGER PRIMARY KEY AUTOINCREMENT",
+            "timestamp INTEGER NOT NULL",
+            "data BLOB NOT NULL",
+            "message_id INTEGER",
+        ]
+        copy_cols = ["id", "timestamp", "data", "message_id"]
+        if "payload_hash" in old_cols:
+            new_col_defs.append("payload_hash BLOB")
+            copy_cols.append("payload_hash")
+        new_col_defs.append("FOREIGN KEY (message_id) REFERENCES messages(id) ON DELETE SET NULL")
+
+        cols_sql = ", ".join(new_col_defs)
+        copy_sql = ", ".join(copy_cols)
+        await conn.execute(f"CREATE TABLE raw_packets_fk ({cols_sql})")
+        await conn.execute(
+            f"INSERT INTO raw_packets_fk ({copy_sql}) SELECT {copy_sql} FROM raw_packets"
+        )
+        await conn.execute("DROP TABLE raw_packets")
+        await conn.execute("ALTER TABLE raw_packets_fk RENAME TO raw_packets")
+        await conn.execute(
+            "CREATE INDEX IF NOT EXISTS idx_raw_packets_message_id ON raw_packets(message_id)"
+        )
+        await conn.execute(
+            "CREATE INDEX IF NOT EXISTS idx_raw_packets_timestamp ON raw_packets(timestamp)"
+        )
+        if "payload_hash" in old_cols:
+            await conn.execute(
+                "CREATE UNIQUE INDEX IF NOT EXISTS idx_raw_packets_payload_hash ON raw_packets(payload_hash)"
+            )
+        await conn.commit()
+        logger.debug("Rebuilt raw_packets with ON DELETE SET NULL")
+
+    # --- Phase 3: rebuild contact_advert_paths with ON DELETE CASCADE ---
+    if "contact_advert_paths" in existing_tables:
+        await conn.execute(
+            """
+            CREATE TABLE contact_advert_paths_fk (
+                id INTEGER PRIMARY KEY AUTOINCREMENT,
+                public_key TEXT NOT NULL,
+                path_hex TEXT NOT NULL,
+                path_len INTEGER NOT NULL,
+                first_seen INTEGER NOT NULL,
+                last_seen INTEGER NOT NULL,
+                heard_count INTEGER NOT NULL DEFAULT 1,
+                UNIQUE(public_key, path_hex, path_len),
+                FOREIGN KEY (public_key) REFERENCES contacts(public_key) ON DELETE CASCADE
+            )
+            """
+        )
+        await conn.execute(
+            "INSERT INTO contact_advert_paths_fk (id, public_key, path_hex, path_len, first_seen, last_seen, heard_count) "
+            "SELECT id, public_key, path_hex, path_len, first_seen, last_seen, heard_count FROM contact_advert_paths"
+        )
+        await conn.execute("DROP TABLE contact_advert_paths")
+        await conn.execute("ALTER TABLE contact_advert_paths_fk RENAME TO contact_advert_paths")
+        await conn.execute(
+            "CREATE INDEX IF NOT EXISTS idx_contact_advert_paths_recent "
+            "ON contact_advert_paths(public_key, last_seen DESC)"
+        )
+        await conn.commit()
+        logger.debug("Rebuilt contact_advert_paths with ON DELETE CASCADE")
+
+    # --- Phase 4: rebuild contact_name_history with ON DELETE CASCADE ---
+    if "contact_name_history" in existing_tables:
+        await conn.execute(
+            """
+            CREATE TABLE contact_name_history_fk (
+                id INTEGER PRIMARY KEY AUTOINCREMENT,
+                public_key TEXT NOT NULL,
+                name TEXT NOT NULL,
+                first_seen INTEGER NOT NULL,
+                last_seen INTEGER NOT NULL,
+                UNIQUE(public_key, name),
+                FOREIGN KEY (public_key) REFERENCES contacts(public_key) ON DELETE CASCADE
+            )
+            """
+        )
+        await conn.execute(
+            "INSERT INTO contact_name_history_fk (id, public_key, name, first_seen, last_seen) "
+            "SELECT id, public_key, name, first_seen, last_seen FROM contact_name_history"
+        )
+        await conn.execute("DROP TABLE contact_name_history")
+        await conn.execute("ALTER TABLE contact_name_history_fk RENAME TO contact_name_history")
+        await conn.execute(
+            "CREATE INDEX IF NOT EXISTS idx_contact_name_history_key "
+            "ON contact_name_history(public_key, last_seen DESC)"
+        )
+        await conn.commit()
+        logger.debug("Rebuilt contact_name_history with ON DELETE CASCADE")
+
+
+async def _migrate_050_repeater_telemetry_history(conn: aiosqlite.Connection) -> None:
+    """Create repeater_telemetry_history table for JSON-blob telemetry snapshots.
+
+    Uses ON DELETE CASCADE so contact deletion automatically cleans up rows.
+    """
+    await conn.execute(
+        """
+        CREATE TABLE IF NOT EXISTS repeater_telemetry_history (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            public_key TEXT NOT NULL,
+            timestamp INTEGER NOT NULL,
+            data TEXT NOT NULL,
+            FOREIGN KEY (public_key) REFERENCES contacts(public_key) ON DELETE CASCADE
+        )
+        """
+    )
+    await conn.execute(
+        "CREATE INDEX IF NOT EXISTS idx_repeater_telemetry_history_key_ts "
+        "ON repeater_telemetry_history(public_key, timestamp DESC)"
+    )
+    await conn.commit()

app/models.py

@@ -530,6 +530,14 @@ class RepeaterStatusResponse(BaseModel):
     flood_dups: int = Field(description="Duplicate flood packets")
     direct_dups: int = Field(description="Duplicate direct packets")
     full_events: int = Field(description="Full event queue count")
+    telemetry_history: list["TelemetryHistoryEntry"] = Field(
+        default_factory=list, description="Recent telemetry history snapshots"
+    )
+
+
+class TelemetryHistoryEntry(BaseModel):
+    timestamp: int
+    data: dict
 
 
 class RepeaterNodeInfoResponse(BaseModel):
@@ -805,7 +813,7 @@ class AppSettings(BaseModel):
         default_factory=list, description="List of favorited conversations"
     )
     auto_decrypt_dm_on_advert: bool = Field(
-        default=False,
+        default=True,
         description="Whether to attempt historical DM decryption on new contact advertisement",
     )
     sidebar_sort_order: Literal["recent", "alpha"] = Field(
@@ -840,6 +848,13 @@ class AppSettings(BaseModel):
         default_factory=list,
         description="Display names whose messages are hidden from the UI",
     )
+    discovery_blocked_types: list[int] = Field(
+        default_factory=list,
+        description=(
+            "Contact type codes (1=Client, 2=Repeater, 3=Room, 4=Sensor) whose "
+            "advertisements should not create new contacts; existing contacts are still updated"
+        ),
+    )
 
 
 class FanoutConfig(BaseModel):

app/packet_processor.py

@@ -462,14 +462,19 @@ async def _process_advertisement(
         advert.device_role if advert.device_role > 0 else (existing.type if existing else 0)
     )
 
-    # Keep recent unique advert paths for all contacts.
+    # Check discovery_blocked_types: skip new contacts whose type is blocked.
-    await ContactAdvertPathRepository.record_observation(
+    # Existing contacts are always updated (location, name, last_seen, etc.).
-        public_key=advert.public_key.lower(),
+    if existing is None and contact_type > 0:
-        path_hex=new_path_hex,
+        from app.repository import AppSettingsRepository
-        timestamp=timestamp,
+
-        max_paths=10,
+        settings = await AppSettingsRepository.get()
-        hop_count=new_path_len,
+        if contact_type in settings.discovery_blocked_types:
-    )
+            logger.debug(
+                "Skipping new contact %s: type %d is in discovery_blocked_types",
+                advert.public_key[:12],
+                contact_type,
+            )
+            return
 
     contact_upsert = ContactUpsert(
         public_key=advert.public_key.lower(),
@@ -482,7 +487,18 @@ async def _process_advertisement(
         first_seen=timestamp,  # COALESCE in upsert preserves existing value
     )
 
+    # Upsert the contact BEFORE recording advert paths so the parent row
+    # exists when foreign key enforcement is enabled.
     await ContactRepository.upsert(contact_upsert)
+
+    # Keep recent unique advert paths for all contacts.
+    await ContactAdvertPathRepository.record_observation(
+        public_key=advert.public_key.lower(),
+        path_hex=new_path_hex,
+        timestamp=timestamp,
+        max_paths=10,
+        hop_count=new_path_len,
+    )
     promoted_keys = await promote_prefix_contacts_for_contact(
         public_key=advert.public_key,
         log=logger,

app/radio_sync.py

@@ -29,7 +29,10 @@ from app.repository import (
     ChannelRepository,
     ContactRepository,
 )
-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.messages import create_fallback_channel_message
 from app.services.radio_runtime import radio_runtime as radio_manager
 from app.websocket import broadcast_error, broadcast_event
@@ -63,13 +66,25 @@ async def _reconcile_contact_messages_background(
     public_key: str,
     contact_name: str | None,
 ) -> None:
-    """Run contact/message reconciliation outside the radio critical path."""
+    """Run prefix promotion and contact/message reconciliation outside the radio critical path."""
     try:
+        promoted_keys = await promote_prefix_contacts_for_contact(
+            public_key=public_key,
+            log=logger,
+        )
         await reconcile_contact_messages(
             public_key=public_key,
             contact_name=contact_name,
             log=logger,
         )
+        if promoted_keys:
+            contact = await ContactRepository.get_by_key(public_key.lower())
+            if contact is not None:
+                for old_key in promoted_keys:
+                    broadcast_event(
+                        "contact_resolved",
+                        {"previous_public_key": old_key, "contact": contact.model_dump()},
+                    )
     except Exception as exc:
         logger.warning(
             "Background contact reconciliation failed for %s: %s",
@@ -179,6 +194,22 @@ RADIO_CONTACT_REFILL_RATIO = 0.80
 RADIO_CONTACT_FULL_SYNC_RATIO = 0.95
 
 
+def _effective_radio_capacity(configured: int) -> int:
+    """Return the effective radio contact capacity.
+
+    Uses the lower of the user-configured ``max_radio_contacts`` and the
+    hardware limit reported by the radio at connect time.  The existing
+    80% refill ratio already reserves headroom for the radio to
+    organically add contacts it hears via adverts, so no additional
+    reduction is applied here.
+    """
+    capacity = max(1, configured)
+    hw_limit = radio_manager.max_contacts
+    if hw_limit is not None:
+        capacity = min(capacity, hw_limit)
+    return max(1, capacity)
+
+
 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)
@@ -193,7 +224,7 @@ def _compute_radio_contact_limits(max_contacts: int) -> tuple[int, int]:
 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
+    capacity = _effective_radio_capacity(app_settings.max_radio_contacts)
     refill_target, full_sync_trigger = _compute_radio_contact_limits(capacity)
 
     result = await mc.commands.get_contacts()
@@ -1301,7 +1332,7 @@ async def stop_background_contact_reconciliation() -> None:
 async def get_contacts_selected_for_radio_sync() -> list[Contact]:
     """Return the contacts that would be loaded onto the radio right now."""
     app_settings = await AppSettingsRepository.get()
-    max_contacts = app_settings.max_radio_contacts
+    max_contacts = _effective_radio_capacity(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()

app/repository/__init__.py

@@ -8,6 +8,7 @@ from app.repository.contacts import (
 from app.repository.fanout import FanoutConfigRepository
 from app.repository.messages import MessageRepository
 from app.repository.raw_packets import RawPacketRepository
+from app.repository.repeater_telemetry import RepeaterTelemetryRepository
 from app.repository.settings import AppSettingsRepository, StatisticsRepository
 
 __all__ = [
@@ -20,5 +21,6 @@ __all__ = [
     "FanoutConfigRepository",
     "MessageRepository",
     "RawPacketRepository",
+    "RepeaterTelemetryRepository",
     "StatisticsRepository",
 ]

app/repository/contacts.py

@@ -1,3 +1,4 @@
+import logging
 import time
 from collections.abc import Mapping
 from typing import Any
@@ -12,6 +13,8 @@ from app.models import (
 )
 from app.path_utils import first_hop_hex, normalize_contact_route, normalize_route_override
 
+logger = logging.getLogger(__name__)
+
 
 class AmbiguousPublicKeyPrefixError(ValueError):
     """Raised when a public key prefix matches multiple contacts."""
@@ -484,7 +487,6 @@ class ContactRepository:
             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"]
@@ -501,60 +503,70 @@ class ContactRepository:
                 (old_key,),
             )
             match_row = await match_cursor.fetchone()
-            if (match_row["match_count"] if match_row is not None else 0) != 1:
+            match_count = match_row["match_count"] if match_row is not None else 0
+            if match_count != 1:
+                logger.warning(
+                    "Skipping prefix promotion for %s: %d full-key contacts match (expected 1)",
+                    old_key,
+                    match_count,
+                )
                 continue
 
             await migrate_child_rows(old_key, normalized_full_key)
 
-            if full_exists:
+            # Merge timestamp metadata from the old prefix contact into the
-                await db.conn.execute(
+            # full-key contact (which all callers guarantee already exists),
-                    """
+            # then delete the prefix placeholder.
-                    UPDATE contacts
+            await db.conn.execute(
-                    SET last_seen = CASE
+                """
-                            WHEN contacts.last_seen IS NULL THEN ?
+                UPDATE contacts
-                            WHEN ? IS NULL THEN contacts.last_seen
+                SET last_seen = CASE
-                            WHEN ? > contacts.last_seen THEN ?
+                        WHEN contacts.last_seen IS NULL THEN ?
-                            ELSE contacts.last_seen
+                        WHEN ? IS NULL THEN contacts.last_seen
-                        END,
+                        WHEN ? > contacts.last_seen THEN ?
-                        last_contacted = CASE
+                        ELSE contacts.last_seen
-                            WHEN contacts.last_contacted IS NULL THEN ?
+                    END,
-                            WHEN ? IS NULL THEN contacts.last_contacted
+                    last_contacted = CASE
-                            WHEN ? > contacts.last_contacted THEN ?
+                        WHEN contacts.last_contacted IS NULL THEN ?
-                            ELSE contacts.last_contacted
+                        WHEN ? IS NULL THEN contacts.last_contacted
-                        END,
+                        WHEN ? > contacts.last_contacted THEN ?
-                        first_seen = CASE
+                        ELSE contacts.last_contacted
-                            WHEN contacts.first_seen IS NULL THEN ?
+                    END,
-                            WHEN ? IS NULL THEN contacts.first_seen
+                    first_seen = CASE
-                            WHEN ? < contacts.first_seen THEN ?
+                        WHEN contacts.first_seen IS NULL THEN ?
-                            ELSE contacts.first_seen
+                        WHEN ? IS NULL THEN contacts.first_seen
-                        END,
+                        WHEN ? < contacts.first_seen THEN ?
-                        last_read_at = COALESCE(contacts.last_read_at, ?)
+                        ELSE contacts.first_seen
-                    WHERE public_key = ?
+                    END,
-                    """,
+                    last_read_at = CASE
-                    (
+                        WHEN contacts.last_read_at IS NULL THEN ?
-                        row["last_seen"],
+                        WHEN ? IS NULL THEN contacts.last_read_at
-                        row["last_seen"],
+                        WHEN ? > contacts.last_read_at THEN ?
-                        row["last_seen"],
+                        ELSE contacts.last_read_at
-                        row["last_seen"],
+                    END
-                        row["last_contacted"],
+                WHERE public_key = ?
-                        row["last_contacted"],
+                """,
-                        row["last_contacted"],
+                (
-                        row["last_contacted"],
+                    row["last_seen"],
-                        row["first_seen"],
+                    row["last_seen"],
-                        row["first_seen"],
+                    row["last_seen"],
-                        row["first_seen"],
+                    row["last_seen"],
-                        row["first_seen"],
+                    row["last_contacted"],
-                        row["last_read_at"],
+                    row["last_contacted"],
-                        normalized_full_key,
+                    row["last_contacted"],
-                    ),
+                    row["last_contacted"],
-                )
+                    row["first_seen"],
-                await db.conn.execute("DELETE FROM contacts WHERE public_key = ?", (old_key,))
+                    row["first_seen"],
-            else:
+                    row["first_seen"],
-                await db.conn.execute(
+                    row["first_seen"],
-                    "UPDATE contacts SET public_key = ? WHERE public_key = ?",
+                    row["last_read_at"],
-                    (normalized_full_key, old_key),
+                    row["last_read_at"],
-                )
+                    row["last_read_at"],
-                full_exists = True
+                    row["last_read_at"],
+                    normalized_full_key,
+                ),
+            )
+            await db.conn.execute("DELETE FROM contacts WHERE public_key = ?", (old_key,))
 
             promoted_keys.append(old_key)
 

app/repository/messages.py

@@ -158,7 +158,11 @@ class MessageRepository:
         """
         lower_key = full_key.lower()
         cursor = await db.conn.execute(
-            """UPDATE messages SET conversation_key = ?
+            """UPDATE messages SET conversation_key = ?,
+                   sender_key = CASE
+                       WHEN sender_key IS NOT NULL AND length(sender_key) < 64
+                            AND ? LIKE sender_key || '%'
+                       THEN ? ELSE sender_key END
                WHERE type = 'PRIV' AND length(conversation_key) < 64
                AND ? LIKE conversation_key || '%'
                AND (
@@ -166,7 +170,7 @@ class MessageRepository:
                    WHERE length(public_key) = 64
                      AND public_key LIKE messages.conversation_key || '%'
                ) = 1""",
-            (lower_key, lower_key),
+            (lower_key, lower_key, lower_key, lower_key),
         )
         await db.conn.commit()
         return cursor.rowcount
@@ -572,6 +576,9 @@ class MessageRepository:
     @staticmethod
     async def delete_by_id(message_id: int) -> None:
         """Delete a message row by ID."""
+        await db.conn.execute(
+            "UPDATE raw_packets SET message_id = NULL WHERE message_id = ?", (message_id,)
+        )
         await db.conn.execute("DELETE FROM messages WHERE id = ?", (message_id,))
         await db.conn.commit()
 

app/repository/repeater_telemetry.py

@@ -0,0 +1,75 @@
+import json
+import logging
+import time
+
+from app.database import db
+
+logger = logging.getLogger(__name__)
+
+# Maximum age for telemetry history entries (30 days)
+_MAX_AGE_SECONDS = 30 * 86400
+
+# Maximum entries to keep per repeater (sanity cap)
+_MAX_ENTRIES_PER_REPEATER = 1000
+
+
+class RepeaterTelemetryRepository:
+    @staticmethod
+    async def record(
+        public_key: str,
+        timestamp: int,
+        data: dict,
+    ) -> None:
+        """Insert a telemetry history row and prune stale entries."""
+        await db.conn.execute(
+            """
+            INSERT INTO repeater_telemetry_history
+                (public_key, timestamp, data)
+            VALUES (?, ?, ?)
+            """,
+            (public_key, timestamp, json.dumps(data)),
+        )
+
+        # Prune entries older than 30 days
+        cutoff = int(time.time()) - _MAX_AGE_SECONDS
+        await db.conn.execute(
+            "DELETE FROM repeater_telemetry_history WHERE public_key = ? AND timestamp < ?",
+            (public_key, cutoff),
+        )
+
+        # Cap at _MAX_ENTRIES_PER_REPEATER (keep newest)
+        await db.conn.execute(
+            """
+            DELETE FROM repeater_telemetry_history
+            WHERE public_key = ? AND id NOT IN (
+                SELECT id FROM repeater_telemetry_history
+                WHERE public_key = ?
+                ORDER BY timestamp DESC
+                LIMIT ?
+            )
+            """,
+            (public_key, public_key, _MAX_ENTRIES_PER_REPEATER),
+        )
+
+        await db.conn.commit()
+
+    @staticmethod
+    async def get_history(public_key: str, since_timestamp: int) -> list[dict]:
+        """Return telemetry rows for a repeater since a given timestamp, ordered ASC."""
+        cursor = await db.conn.execute(
+            """
+            SELECT timestamp, data
+            FROM repeater_telemetry_history
+            WHERE public_key = ? AND timestamp >= ?
+            ORDER BY timestamp ASC
+            """,
+            (public_key, since_timestamp),
+        )
+        rows = await cursor.fetchall()
+        return [
+            {
+                "timestamp": row["timestamp"],
+                "data": json.loads(row["data"]),
+            }
+            for row in rows
+        ]

app/repository/settings.py

@@ -29,7 +29,7 @@ class AppSettingsRepository:
             SELECT max_radio_contacts, favorites, auto_decrypt_dm_on_advert,
                    sidebar_sort_order, last_message_times, preferences_migrated,
                    advert_interval, last_advert_time, flood_scope,
-                   blocked_keys, blocked_names
+                   blocked_keys, blocked_names, discovery_blocked_types
             FROM app_settings WHERE id = 1
             """
         )
@@ -81,6 +81,14 @@ class AppSettingsRepository:
             except (json.JSONDecodeError, TypeError):
                 blocked_names = []
 
+        # Parse discovery_blocked_types JSON
+        discovery_blocked_types: list[int] = []
+        if row["discovery_blocked_types"]:
+            try:
+                discovery_blocked_types = json.loads(row["discovery_blocked_types"])
+            except (json.JSONDecodeError, TypeError):
+                discovery_blocked_types = []
+
         # Validate sidebar_sort_order (fallback to "recent" if invalid)
         sort_order = row["sidebar_sort_order"]
         if sort_order not in ("recent", "alpha"):
@@ -98,6 +106,7 @@ class AppSettingsRepository:
             flood_scope=row["flood_scope"] or "",
             blocked_keys=blocked_keys,
             blocked_names=blocked_names,
+            discovery_blocked_types=discovery_blocked_types,
         )
 
     @staticmethod
@@ -113,6 +122,7 @@ class AppSettingsRepository:
         flood_scope: str | None = None,
         blocked_keys: list[str] | None = None,
         blocked_names: list[str] | None = None,
+        discovery_blocked_types: list[int] | None = None,
     ) -> AppSettings:
         """Update app settings. Only provided fields are updated."""
         updates = []
@@ -163,6 +173,10 @@ class AppSettingsRepository:
             updates.append("blocked_names = ?")
             params.append(json.dumps(blocked_names))
 
+        if discovery_blocked_types is not None:
+            updates.append("discovery_blocked_types = ?")
+            params.append(json.dumps(discovery_blocked_types))
+
         if updates:
             query = f"UPDATE app_settings SET {', '.join(updates)} WHERE id = 1"
             await db.conn.execute(query, params)

app/routers/channels.py

@@ -1,7 +1,8 @@
 import logging
+import re
 from hashlib import sha256
 
-from fastapi import APIRouter, HTTPException
+from fastapi import APIRouter, BackgroundTasks, HTTPException, Response, status
 from pydantic import BaseModel, Field
 
 from app.channel_constants import (
@@ -10,10 +11,12 @@ from app.channel_constants import (
     is_public_channel_key,
     is_public_channel_name,
 )
+from app.decoder import parse_packet, try_decrypt_packet_with_channel_key
 from app.models import Channel, ChannelDetail, ChannelMessageCounts, ChannelTopSender
+from app.packet_processor import create_message_from_decrypted
 from app.region_scope import normalize_region_scope
-from app.repository import ChannelRepository, MessageRepository
+from app.repository import ChannelRepository, MessageRepository, RawPacketRepository
-from app.websocket import broadcast_event
+from app.websocket import broadcast_event, broadcast_success
 
 logger = logging.getLogger(__name__)
 router = APIRouter(prefix="/channels", tags=["channels"])
@@ -31,12 +34,154 @@ class CreateChannelRequest(BaseModel):
     )
 
 
+class BulkCreateHashtagChannelsRequest(BaseModel):
+    channel_names: list[str] = Field(
+        min_length=1,
+        description="List of hashtag room names. Leading # is optional per entry.",
+    )
+    try_historical: bool = Field(
+        default=False,
+        description="Attempt one background historical decrypt sweep for the newly added rooms.",
+    )
+
+
+class BulkCreateHashtagChannelsResponse(BaseModel):
+    created_channels: list[Channel]
+    existing_count: int
+    invalid_names: list[str]
+    decrypt_started: bool = False
+    decrypt_total_packets: int = 0
+    message: str
+
+
 class ChannelFloodScopeOverrideRequest(BaseModel):
     flood_scope_override: str = Field(
         description="Blank clears the override; non-empty values temporarily override flood scope"
     )
 
 
+def _derive_channel_identity(
+    requested_name: str,
+    request_key: str | None = None,
+) -> tuple[str, str, bool]:
+    is_hashtag = requested_name.startswith("#")
+
+    if is_public_channel_name(requested_name):
+        if request_key:
+            try:
+                key_bytes = bytes.fromhex(request_key)
+                if len(key_bytes) != 16:
+                    raise HTTPException(
+                        status_code=400,
+                        detail="Channel key must be exactly 16 bytes (32 hex chars)",
+                    )
+            except ValueError:
+                raise HTTPException(status_code=400, detail="Invalid hex string for key") from None
+            if key_bytes.hex().upper() != PUBLIC_CHANNEL_KEY:
+                raise HTTPException(
+                    status_code=400,
+                    detail=f'"{PUBLIC_CHANNEL_NAME}" must use the canonical Public key',
+                )
+        return PUBLIC_CHANNEL_KEY, PUBLIC_CHANNEL_NAME, False
+
+    if request_key and not is_hashtag:
+        try:
+            key_bytes = bytes.fromhex(request_key)
+            if len(key_bytes) != 16:
+                raise HTTPException(
+                    status_code=400, detail="Channel key must be exactly 16 bytes (32 hex chars)"
+                )
+        except ValueError:
+            raise HTTPException(status_code=400, detail="Invalid hex string for key") from None
+        key_hex = key_bytes.hex().upper()
+        if is_public_channel_key(key_hex):
+            raise HTTPException(
+                status_code=400,
+                detail=f'The canonical Public key may only be used for "{PUBLIC_CHANNEL_NAME}"',
+            )
+        return key_hex, requested_name, False
+
+    key_bytes = sha256(requested_name.encode("utf-8")).digest()[:16]
+    return key_bytes.hex().upper(), requested_name, is_hashtag
+
+
+def _normalize_bulk_hashtag_name(name: str) -> str | None:
+    trimmed = name.strip()
+    if not trimmed:
+        return None
+    normalized = trimmed.lstrip("#").strip()
+    if not normalized:
+        return None
+    if len(normalized) > 31:
+        return None
+    if not re.fullmatch(r"[A-Za-z0-9]+(?:-[A-Za-z0-9]+)*", normalized):
+        return None
+    return f"#{normalized}"
+
+
+async def _run_historical_channel_decryption_for_channels(
+    channels: list[tuple[bytes, str, str]],
+) -> None:
+    packets = await RawPacketRepository.get_all_undecrypted()
+    total = len(packets)
+    decrypted_count = 0
+    matched_channel_names: set[str] = set()
+
+    if total == 0:
+        logger.info("No undecrypted packets to process for bulk channel decrypt")
+        return
+
+    logger.info(
+        "Starting bulk historical channel decryption of %d packets across %d channels",
+        total,
+        len(channels),
+    )
+
+    for packet_id, packet_data, packet_timestamp in packets:
+        packet_info = parse_packet(packet_data)
+        path_hex = packet_info.path.hex() if packet_info else None
+        path_len = packet_info.path_length if packet_info else None
+
+        for channel_key_bytes, channel_key_hex, channel_name in channels:
+            result = try_decrypt_packet_with_channel_key(packet_data, channel_key_bytes)
+            if result is None:
+                continue
+
+            msg_id = await create_message_from_decrypted(
+                packet_id=packet_id,
+                channel_key=channel_key_hex,
+                channel_name=channel_name,
+                sender=result.sender,
+                message_text=result.message,
+                timestamp=result.timestamp,
+                received_at=packet_timestamp,
+                path=path_hex,
+                path_len=path_len,
+                realtime=False,
+            )
+            if msg_id is not None:
+                decrypted_count += 1
+                matched_channel_names.add(channel_name)
+            break
+
+    logger.info(
+        "Bulk historical channel decryption complete: %d/%d packets decrypted across %d channels",
+        decrypted_count,
+        total,
+        len(matched_channel_names),
+    )
+
+    if decrypted_count > 0:
+        broadcast_success(
+            "Bulk historical decrypt complete",
+            (
+                f"Decrypted {decrypted_count} message{'s' if decrypted_count != 1 else ''} "
+                f"across {len(matched_channel_names)} room"
+                f"{'s' if len(matched_channel_names) != 1 else ''}"
+            ),
+        )
+
+
 @router.get("", response_model=list[Channel])
 async def list_channels() -> list[Channel]:
     """List all channels from the database."""
@@ -69,50 +214,7 @@ async def create_channel(request: CreateChannelRequest) -> Channel:
     automatically when sending a message (see messages.py send_channel_message).
     """
     requested_name = request.name
-    is_hashtag = requested_name.startswith("#")
+    key_hex, channel_name, is_hashtag = _derive_channel_identity(requested_name, request.key)
-
-    # Reserve the canonical Public channel so it cannot drift to another key,
-    # and the well-known Public key cannot be renamed to something else.
-    if is_public_channel_name(requested_name):
-        if request.key:
-            try:
-                key_bytes = bytes.fromhex(request.key)
-                if len(key_bytes) != 16:
-                    raise HTTPException(
-                        status_code=400,
-                        detail="Channel key must be exactly 16 bytes (32 hex chars)",
-                    )
-            except ValueError:
-                raise HTTPException(status_code=400, detail="Invalid hex string for key") from None
-            if key_bytes.hex().upper() != PUBLIC_CHANNEL_KEY:
-                raise HTTPException(
-                    status_code=400,
-                    detail=f'"{PUBLIC_CHANNEL_NAME}" must use the canonical Public key',
-                )
-        key_hex = PUBLIC_CHANNEL_KEY
-        channel_name = PUBLIC_CHANNEL_NAME
-        is_hashtag = False
-    elif request.key and not is_hashtag:
-        try:
-            key_bytes = bytes.fromhex(request.key)
-            if len(key_bytes) != 16:
-                raise HTTPException(
-                    status_code=400, detail="Channel key must be exactly 16 bytes (32 hex chars)"
-                )
-        except ValueError:
-            raise HTTPException(status_code=400, detail="Invalid hex string for key") from None
-        key_hex = key_bytes.hex().upper()
-        if is_public_channel_key(key_hex):
-            raise HTTPException(
-                status_code=400,
-                detail=f'The canonical Public key may only be used for "{PUBLIC_CHANNEL_NAME}"',
-            )
-        channel_name = requested_name
-    else:
-        # Derive key from name hash (same as meshcore library does)
-        key_bytes = sha256(requested_name.encode("utf-8")).digest()[:16]
-        key_hex = key_bytes.hex().upper()
-        channel_name = requested_name
 
     logger.info("Creating channel %s: %s (hashtag=%s)", key_hex, channel_name, is_hashtag)
 
@@ -132,6 +234,81 @@ async def create_channel(request: CreateChannelRequest) -> Channel:
     return stored
 
 
+@router.post("/bulk-hashtag", response_model=BulkCreateHashtagChannelsResponse)
+async def bulk_create_hashtag_channels(
+    request: BulkCreateHashtagChannelsRequest,
+    background_tasks: BackgroundTasks,
+    response: Response,
+) -> BulkCreateHashtagChannelsResponse:
+    created_channels: list[Channel] = []
+    existing_count = 0
+    invalid_names: list[str] = []
+    decrypt_started = False
+    decrypt_total_packets = 0
+    decrypt_targets: list[tuple[bytes, str, str]] = []
+
+    for raw_name in request.channel_names:
+        normalized_name = _normalize_bulk_hashtag_name(raw_name)
+        if normalized_name is None:
+            invalid_names.append(raw_name)
+            continue
+
+        key_hex, channel_name, is_hashtag = _derive_channel_identity(normalized_name)
+        existing = await ChannelRepository.get_by_key(key_hex)
+        if existing is not None:
+            existing_count += 1
+            continue
+
+        await ChannelRepository.upsert(
+            key=key_hex,
+            name=channel_name,
+            is_hashtag=is_hashtag,
+            on_radio=False,
+        )
+        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",
+            )
+
+        created_channels.append(stored)
+        decrypt_targets.append((bytes.fromhex(stored.key), stored.key, stored.name))
+        _broadcast_channel_update(stored)
+
+    if request.try_historical and decrypt_targets:
+        decrypt_total_packets = await RawPacketRepository.get_undecrypted_count()
+        if decrypt_total_packets > 0:
+            background_tasks.add_task(
+                _run_historical_channel_decryption_for_channels, decrypt_targets
+            )
+            decrypt_started = True
+            response.status_code = status.HTTP_202_ACCEPTED
+
+    message = (
+        f"Created {len(created_channels)} room{'s' if len(created_channels) != 1 else ''}"
+        if created_channels
+        else "No new rooms were added"
+    )
+    if request.try_historical and decrypt_targets:
+        if decrypt_started:
+            message += (
+                f" and started background decrypt of {decrypt_total_packets} packet"
+                f"{'s' if decrypt_total_packets != 1 else ''}"
+            )
+        else:
+            message += "; no undecrypted packets were available"
+
+    return BulkCreateHashtagChannelsResponse(
+        created_channels=created_channels,
+        existing_count=existing_count,
+        invalid_names=invalid_names,
+        decrypt_started=decrypt_started,
+        decrypt_total_packets=decrypt_total_packets,
+        message=message,
+    )
+
+
 @router.post("/{key}/mark-read")
 async def mark_channel_read(key: str) -> dict:
     """Mark a channel as read (update last_read_at timestamp)."""

app/routers/contacts.py

@@ -1,10 +1,12 @@
 import asyncio
 import logging
 import random
+import time
 from contextlib import suppress
 
 from fastapi import APIRouter, BackgroundTasks, HTTPException, Query
 from meshcore import EventType
+from pydantic import BaseModel, Field
 
 from app.dependencies import require_connected
 from app.models import (
@@ -31,7 +33,7 @@ from app.repository import (
 )
 from app.services.contact_reconciliation import (
     promote_prefix_contacts_for_contact,
-    reconcile_contact_messages,
+    record_contact_name_and_reconcile,
 )
 from app.services.radio_runtime import radio_runtime as radio_manager
 
@@ -277,12 +279,18 @@ async def create_contact(
     # Check if contact already exists
     existing = await ContactRepository.get_by_key(request.public_key)
     if existing:
-        # Update name if provided
+        # Update name if provided and record name history
         if request.name:
             await ContactRepository.upsert(existing.to_upsert(name=request.name))
             refreshed = await ContactRepository.get_by_key(request.public_key)
             if refreshed is not None:
                 existing = refreshed
+            await record_contact_name_and_reconcile(
+                public_key=request.public_key,
+                contact_name=request.name,
+                timestamp=int(time.time()),
+                log=logger,
+            )
 
         promoted_keys = await promote_prefix_contacts_for_contact(
             public_key=request.public_key,
@@ -317,9 +325,10 @@ async def create_contact(
         log=logger,
     )
 
-    await reconcile_contact_messages(
+    await record_contact_name_and_reconcile(
         public_key=lower_key,
         contact_name=request.name,
+        timestamp=int(time.time()),
         log=logger,
     )
 
@@ -347,6 +356,44 @@ async def mark_contact_read(public_key: str) -> dict:
     return {"status": "ok", "public_key": contact.public_key}
 
 
+class BulkDeleteRequest(BaseModel):
+    public_keys: list[str] = Field(description="Public keys to delete")
+
+
+@router.post("/bulk-delete")
+async def bulk_delete_contacts(request: BulkDeleteRequest) -> dict:
+    """Delete multiple contacts from the database (and radio if present)."""
+    from app.websocket import broadcast_event
+
+    # Resolve all contacts first
+    contacts_to_delete: list[Contact] = []
+    for key in request.public_keys:
+        contact = await ContactRepository.get_by_key(key.lower())
+        if contact:
+            contacts_to_delete.append(contact)
+
+    # Remove from radio in a single locked operation (blocks until radio is free)
+    if radio_manager.is_connected and contacts_to_delete:
+        try:
+            async with radio_manager.radio_operation("bulk_delete_contacts_from_radio") as mc:
+                for contact in contacts_to_delete:
+                    radio_contact = mc.get_contact_by_key_prefix(contact.public_key[:12])
+                    if radio_contact:
+                        await mc.commands.remove_contact(radio_contact)
+        except Exception as e:
+            logger.warning("Radio removal during bulk delete failed: %s", e)
+
+    # Delete from database and broadcast events
+    deleted = 0
+    for contact in contacts_to_delete:
+        await ContactRepository.delete(contact.public_key)
+        broadcast_event("contact_deleted", {"public_key": contact.public_key})
+        deleted += 1
+
+    logger.info("Bulk deleted %d/%d contacts", deleted, len(request.public_keys))
+    return {"deleted": deleted}
+
+
 @router.delete("/{public_key}")
 async def delete_contact(public_key: str) -> dict:
     """Delete a contact from the database (and radio if present)."""

app/routers/debug.py

@@ -1,17 +1,21 @@
 import hashlib
 import logging
+import os
+import platform
+import struct
 import sys
 from datetime import datetime, timezone
-from typing import Any
+from typing import Any, Literal
 
 from fastapi import APIRouter
 from meshcore import EventType
 from pydantic import BaseModel, Field
 
 from app.config import get_recent_log_lines, settings
+from app.models import AppSettings
 from app.radio_sync import get_contacts_selected_for_radio_sync, get_radio_channel_limit
-from app.repository import MessageRepository, StatisticsRepository
+from app.repository import AppSettingsRepository, MessageRepository, StatisticsRepository
-from app.routers.health import HealthResponse, build_health_data
+from app.routers.health import FanoutStatusResponse, build_health_data
 from app.services.radio_runtime import radio_runtime
 from app.version_info import get_app_build_info, git_output
 
@@ -34,6 +38,13 @@ LOG_COPY_BOUNDARY_PREFIX = [
 ]
 
 
+class DebugSystemInfo(BaseModel):
+    os: str
+    arch: str
+    arch_bits: int
+    total_ram_mb: int
+
+
 class DebugApplicationInfo(BaseModel):
     version: str
     version_source: str
@@ -50,8 +61,6 @@ class DebugRuntimeInfo(BaseModel):
     setup_in_progress: bool
     setup_complete: bool
     channels_with_incoming_messages: int
-    max_channels: int
-    path_hash_mode: int
     path_hash_mode_supported: bool
     channel_slot_reuse_enabled: bool
     channel_send_cache_capacity: int
@@ -78,7 +87,6 @@ class DebugChannelAudit(BaseModel):
 class DebugRadioProbe(BaseModel):
     performed: bool
     errors: list[str] = Field(default_factory=list)
-    multi_acks_enabled: bool | None = None
     self_info: dict[str, Any] | None = None
     device_info: dict[str, Any] | None = None
     stats_core: dict[str, Any] | None = None
@@ -93,16 +101,53 @@ class DebugDatabaseInfo(BaseModel):
     total_outgoing: int
 
 
+class DebugHealthSummary(BaseModel):
+    radio_state: str
+    database_size_mb: float
+    oldest_undecrypted_timestamp: int | None
+    fanouts_with_errors: dict[str, FanoutStatusResponse] = Field(default_factory=dict)
+    bots_disabled_source: Literal["env", "until_restart"] | None = None
+    basic_auth_enabled: bool = False
+
+
+class DebugAppSettings(BaseModel):
+    max_radio_contacts: int
+    auto_decrypt_dm_on_advert: bool
+    advert_interval: int
+    flood_scope: str
+    blocked_keys_count: int
+    blocked_names_count: int
+
+
 class DebugSnapshotResponse(BaseModel):
     captured_at: str
+    system: DebugSystemInfo
     application: DebugApplicationInfo
-    health: HealthResponse
+    health: DebugHealthSummary
+    settings: DebugAppSettings
     runtime: DebugRuntimeInfo
     database: DebugDatabaseInfo
     radio_probe: DebugRadioProbe
     logs: list[str]
 
 
+def _build_system_info() -> DebugSystemInfo:
+    try:
+        # os.sysconf is available on Linux/macOS
+        page_size = os.sysconf("SC_PAGE_SIZE")
+        page_count = os.sysconf("SC_PHYS_PAGES")
+        total_ram_mb = (page_size * page_count) // (1024 * 1024)
+    except (AttributeError, ValueError, OSError):
+        total_ram_mb = 0
+
+    return DebugSystemInfo(
+        os=f"{platform.system()} {platform.release()}",
+        arch=platform.machine(),
+        arch_bits=struct.calcsize("P") * 8,
+        total_ram_mb=total_ram_mb,
+    )
+
+
 def _build_application_info() -> DebugApplicationInfo:
     build_info = get_app_build_info()
     dirty_output = git_output("status", "--porcelain")
@@ -158,6 +203,68 @@ def _coerce_live_max_channels(device_info: dict[str, Any] | None) -> int | None:
         return None
 
 
+def _build_debug_app_settings(app_settings: AppSettings) -> DebugAppSettings:
+    return DebugAppSettings(
+        max_radio_contacts=app_settings.max_radio_contacts,
+        auto_decrypt_dm_on_advert=app_settings.auto_decrypt_dm_on_advert,
+        advert_interval=app_settings.advert_interval,
+        flood_scope=app_settings.flood_scope,
+        blocked_keys_count=len(app_settings.blocked_keys),
+        blocked_names_count=len(app_settings.blocked_names),
+    )
+
+
+def _derive_debug_radio_state(
+    *,
+    radio_connected: bool,
+    connection_desired: bool,
+    setup_in_progress: bool,
+    setup_complete: bool,
+    is_reconnecting: bool,
+) -> str:
+    if not connection_desired:
+        return "paused"
+    if radio_connected and (setup_in_progress or not setup_complete):
+        return "initializing"
+    if radio_connected:
+        return "connected"
+    if is_reconnecting:
+        return "connecting"
+    return "disconnected"
+
+
+def _build_debug_health_summary(
+    health_data: dict[str, Any], *, radio_state: str
+) -> DebugHealthSummary:
+    def _fanout_last_error(status: Any) -> str | None:
+        if isinstance(status, dict):
+            value = status.get("last_error")
+        else:
+            value = getattr(status, "last_error", None)
+        return value if isinstance(value, str) and value else None
+
+    fanouts_with_errors = {
+        config_id: status
+        for config_id, status in health_data["fanout_statuses"].items()
+        if _fanout_last_error(status)
+    }
+    return DebugHealthSummary(
+        radio_state=radio_state,
+        database_size_mb=health_data["database_size_mb"],
+        oldest_undecrypted_timestamp=health_data["oldest_undecrypted_timestamp"],
+        fanouts_with_errors=fanouts_with_errors,
+        bots_disabled_source=health_data["bots_disabled_source"],
+        basic_auth_enabled=health_data["basic_auth_enabled"],
+    )
+
+
+def _sanitize_radio_probe_self_info(self_info: dict[str, Any] | None) -> dict[str, Any]:
+    sanitized = dict(self_info or {})
+    sanitized.pop("adv_lat", None)
+    sanitized.pop("adv_lon", None)
+    return sanitized
+
+
 async def _build_contact_audit(
     observed_contacts_payload: dict[str, dict[str, Any]],
 ) -> DebugContactAudit:
@@ -242,10 +349,7 @@ async def _probe_radio() -> DebugRadioProbe:
             return DebugRadioProbe(
                 performed=True,
                 errors=errors,
-                multi_acks_enabled=bool(mc.self_info.get("multi_acks", 0))
+                self_info=_sanitize_radio_probe_self_info(mc.self_info),
-                if mc.self_info is not None
-                else None,
-                self_info=dict(mc.self_info or {}),
                 device_info=device_info,
                 stats_core=stats_core,
                 stats_radio=stats_radio,
@@ -264,24 +368,39 @@ async def _probe_radio() -> DebugRadioProbe:
 @router.get("/debug", response_model=DebugSnapshotResponse)
 async def debug_support_snapshot() -> DebugSnapshotResponse:
     """Return a support/debug snapshot with recent logs and live radio state."""
-    health_data = await build_health_data(radio_runtime.is_connected, radio_runtime.connection_info)
+    connection_info = radio_runtime.connection_info
+    connection_desired = radio_runtime.connection_desired
+    setup_in_progress = radio_runtime.is_setup_in_progress
+    setup_complete = radio_runtime.is_setup_complete
+    radio_connected = radio_runtime.is_connected
+    is_reconnecting = getattr(radio_runtime, "is_reconnecting", False)
+
+    health_data = await build_health_data(radio_connected, connection_info)
+    app_settings = await AppSettingsRepository.get()
     message_totals = await StatisticsRepository.get_database_message_totals()
     radio_probe = await _probe_radio()
     channels_with_incoming_messages = (
         await MessageRepository.count_channels_with_incoming_messages()
     )
+    radio_state = _derive_debug_radio_state(
+        radio_connected=radio_connected,
+        connection_desired=connection_desired,
+        setup_in_progress=setup_in_progress,
+        setup_complete=setup_complete,
+        is_reconnecting=is_reconnecting,
+    )
     return DebugSnapshotResponse(
         captured_at=datetime.now(timezone.utc).isoformat(),
+        system=_build_system_info(),
         application=_build_application_info(),
-        health=HealthResponse(**health_data),
+        health=_build_debug_health_summary(health_data, radio_state=radio_state),
+        settings=_build_debug_app_settings(app_settings),
         runtime=DebugRuntimeInfo(
-            connection_info=radio_runtime.connection_info,
+            connection_info=connection_info,
-            connection_desired=radio_runtime.connection_desired,
+            connection_desired=connection_desired,
-            setup_in_progress=radio_runtime.is_setup_in_progress,
+            setup_in_progress=setup_in_progress,
-            setup_complete=radio_runtime.is_setup_complete,
+            setup_complete=setup_complete,
             channels_with_incoming_messages=channels_with_incoming_messages,
-            max_channels=radio_runtime.max_channels,
-            path_hash_mode=radio_runtime.path_hash_mode,
             path_hash_mode_supported=radio_runtime.path_hash_mode_supported,
             channel_slot_reuse_enabled=radio_runtime.channel_slot_reuse_enabled(),
             channel_send_cache_capacity=radio_runtime.get_channel_send_cache_capacity(),

app/routers/radio.py

@@ -24,7 +24,10 @@ from app.models import (
 from app.radio_sync import send_advertisement as do_send_advertisement
 from app.radio_sync import sync_radio_time
 from app.repository import ContactRepository
-from app.services.contact_reconciliation import promote_prefix_contacts_for_contact
+from app.services.contact_reconciliation import (
+    promote_prefix_contacts_for_contact,
+    reconcile_contact_messages,
+)
 from app.services.radio_commands import (
     KeystoreRefreshError,
     PathHashModeUnsupportedError,
@@ -214,11 +217,19 @@ async def _persist_new_discovery_contacts(results: list[RadioDiscoveryResult]) -
             public_key=result.public_key,
             log=logger,
         )
+        await reconcile_contact_messages(
+            public_key=result.public_key,
+            contact_name=result.name,
+            log=logger,
+        )
         created = await ContactRepository.get_by_key(result.public_key)
         if created is not None:
             broadcast_event("contact", created.model_dump())
-        for old_key in promoted_keys:
+            for old_key in promoted_keys:
-            broadcast_event("contact_deleted", {"public_key": old_key})
+                broadcast_event(
+                    "contact_resolved",
+                    {"previous_public_key": old_key, "contact": created.model_dump()},
+                )
 
 
 async def _attach_known_names(results: list[RadioDiscoveryResult]) -> None:

app/routers/repeaters.py

@@ -1,4 +1,5 @@
 import logging
+import time
 
 from fastapi import APIRouter, HTTPException
 
@@ -21,8 +22,9 @@ from app.models import (
     RepeaterOwnerInfoResponse,
     RepeaterRadioSettingsResponse,
     RepeaterStatusResponse,
+    TelemetryHistoryEntry,
 )
-from app.repository import ContactRepository
+from app.repository import ContactRepository, RepeaterTelemetryRepository
 from app.routers.contacts import _ensure_on_radio, _resolve_contact_or_404
 from app.routers.server_control import (
     batch_cli_fetch,
@@ -108,7 +110,7 @@ async def repeater_status(public_key: str) -> RepeaterStatusResponse:
     if status is None:
         raise HTTPException(status_code=504, detail="No status response from repeater")
 
-    return RepeaterStatusResponse(
+    response = RepeaterStatusResponse(
         battery_volts=status.get("bat", 0) / 1000.0,
         tx_queue_len=status.get("tx_queue_len", 0),
         noise_floor_dbm=status.get("noise_floor", 0),
@@ -128,6 +130,42 @@ async def repeater_status(public_key: str) -> RepeaterStatusResponse:
         full_events=status.get("full_evts", 0),
     )
 
+    # Record to telemetry history as a JSON blob (best-effort)
+    now = int(time.time())
+    status_dict = response.model_dump(exclude={"telemetry_history"})
+    try:
+        await RepeaterTelemetryRepository.record(
+            public_key=contact.public_key,
+            timestamp=now,
+            data=status_dict,
+        )
+    except Exception as e:
+        logger.warning("Failed to record telemetry history: %s", e)
+
+    # Fetch recent history and embed in response
+    try:
+        since = now - 30 * 86400  # last 30 days
+        rows = await RepeaterTelemetryRepository.get_history(contact.public_key, since)
+        response.telemetry_history = [TelemetryHistoryEntry(**row) for row in rows]
+    except Exception as e:
+        logger.warning("Failed to fetch telemetry history: %s", e)
+
+    return response
+
+
+@router.get(
+    "/{public_key}/repeater/telemetry-history",
+    response_model=list[TelemetryHistoryEntry],
+)
+async def repeater_telemetry_history(public_key: str) -> list[TelemetryHistoryEntry]:
+    """Return stored telemetry history for a repeater (read-only, no radio access)."""
+    contact = await _resolve_contact_or_404(public_key)
+    _require_repeater(contact)
+
+    since = int(time.time()) - 30 * 86400
+    rows = await RepeaterTelemetryRepository.get_history(contact.public_key, since)
+    return [TelemetryHistoryEntry(**row) for row in rows]
+
 
 @router.post("/{public_key}/repeater/lpp-telemetry", response_model=RepeaterLppTelemetryResponse)
 async def repeater_lpp_telemetry(public_key: str) -> RepeaterLppTelemetryResponse:

app/routers/settings.py

@@ -48,6 +48,13 @@ class AppSettingsUpdate(BaseModel):
         default=None,
         description="Display names whose messages are hidden from the UI",
     )
+    discovery_blocked_types: list[int] | None = Field(
+        default=None,
+        description=(
+            "Contact type codes (1=Client, 2=Repeater, 3=Room, 4=Sensor) whose "
+            "advertisements should not create new contacts"
+        ),
+    )
 
 
 class BlockKeyRequest(BaseModel):
@@ -122,6 +129,12 @@ async def update_settings(update: AppSettingsUpdate) -> AppSettings:
     if update.blocked_names is not None:
         kwargs["blocked_names"] = update.blocked_names
 
+    # Discovery blocked types
+    if update.discovery_blocked_types is not None:
+        # Only allow valid contact type codes (1-4)
+        valid = [t for t in update.discovery_blocked_types if t in (1, 2, 3, 4)]
+        kwargs["discovery_blocked_types"] = sorted(set(valid))
+
     # Flood scope
     flood_scope_changed = False
     if update.flood_scope is not None:

frontend/src/App.tsx

@@ -1,4 +1,4 @@
-import { useEffect, useCallback, useRef, useState, useMemo } from 'react';
+import { useEffect, useCallback, useRef, useState, useMemo, type MouseEvent } from 'react';
 import { api } from './api';
 import { takePrefetchOrFetch } from './prefetch';
 import { useWebSocket } from './useWebSocket';
@@ -23,7 +23,7 @@ import type { MessageInputHandle } from './components/MessageInput';
 import { DistanceUnitProvider } from './contexts/DistanceUnitContext';
 import { messageContainsMention } from './utils/messageParser';
 import { getStateKey } from './utils/conversationState';
-import type { Conversation, Message, RawPacket } from './types';
+import type { BulkCreateHashtagChannelsResult, Conversation, Message, RawPacket } from './types';
 import { CONTACT_TYPE_ROOM } from './types';
 
 interface ChannelUnreadMarker {
@@ -85,6 +85,8 @@ export function App() {
   const [channelUnreadMarker, setChannelUnreadMarker] = useState<ChannelUnreadMarker | null>(null);
   const [newMessagePrefillRequest, setNewMessagePrefillRequest] =
     useState<NewMessagePrefillRequest | null>(null);
+  const [showBulkAddChannelTab, setShowBulkAddChannelTab] = useState(false);
+  const [bulkAddResult, setBulkAddResult] = useState<BulkCreateHashtagChannelsResult | null>(null);
   const [visibilityVersion, setVisibilityVersion] = useState(0);
   const lastUnreadBackfillAttemptRef = useRef<string | null>(null);
   const {
@@ -190,6 +192,7 @@ export function App() {
     handleCreateContact,
     handleCreateChannel,
     handleCreateHashtagChannel,
+    handleBulkCreateHashtagChannels,
     handleDeleteChannel,
     handleDeleteContact,
   } = useContactsAndChannels({
@@ -421,16 +424,25 @@ export function App() {
     [fetchUndecryptedCount, setChannels]
   );
 
-  const handleOpenNewMessage = useCallback(() => {
+  const handleOpenNewMessage = useCallback(
-    setNewMessagePrefillRequest(null);
+    (event?: MouseEvent<HTMLButtonElement>) => {
-    openNewMessageModal();
+      setNewMessagePrefillRequest(null);
-  }, [openNewMessageModal]);
+      setShowBulkAddChannelTab(event?.altKey === true);
+      openNewMessageModal();
+    },
+    [openNewMessageModal]
+  );
 
   const handleCloseNewMessage = useCallback(() => {
     setNewMessagePrefillRequest(null);
+    setShowBulkAddChannelTab(false);
     closeNewMessageModal();
   }, [closeNewMessageModal]);
 
+  const handleCloseBulkAddResults = useCallback(() => {
+    setBulkAddResult(null);
+  }, []);
+
   const handleChannelReferenceClick = useCallback(
     (channelName: string) => {
       const existingChannel = channels.find((channel) => channel.name === channelName);
@@ -444,11 +456,20 @@ export function App() {
         hashtagName: channelName.slice(1),
         nonce: (previous?.nonce ?? 0) + 1,
       }));
+      setShowBulkAddChannelTab(false);
       openNewMessageModal();
     },
     [channels, handleNavigateToChannel, openNewMessageModal]
   );
 
+  const handleBulkAddChannels = useCallback(
+    async (channelNames: string[], tryHistorical: boolean) => {
+      const result = await handleBulkCreateHashtagChannels(channelNames, tryHistorical);
+      setBulkAddResult(result);
+    },
+    [handleBulkCreateHashtagChannels]
+  );
+
   const statusProps = {
     health,
     config,
@@ -471,6 +492,11 @@ export function App() {
     favorites,
     legacySortOrder: appSettings?.sidebar_sort_order,
     isConversationNotificationsEnabled,
+    blockedKeys: appSettings?.blocked_keys ?? [],
+    blockedNames: appSettings?.blocked_names ?? [],
+  };
+  const bulkAddChannelResultModalProps = {
+    result: bulkAddResult,
   };
   const conversationPaneProps = {
     activeConversation,
@@ -555,6 +581,11 @@ export function App() {
     blockedNames: appSettings?.blocked_names,
     onToggleBlockedKey: handleBlockKey,
     onToggleBlockedName: handleBlockName,
+    contacts,
+    onBulkDeleteContacts: (deletedKeys: string[]) => {
+      const keySet = new Set(deletedKeys.map((k) => k.toLowerCase()));
+      setContacts((prev) => prev.filter((c) => !keySet.has(c.public_key.toLowerCase())));
+    },
   };
   const crackerProps = {
     packets: rawPackets,
@@ -563,10 +594,12 @@ export function App() {
   };
   const newMessageModalProps = {
     undecryptedCount,
+    showBulkAddChannelTab,
     prefillRequest: newMessagePrefillRequest,
     onCreateContact: handleCreateContact,
     onCreateChannel: handleCreateChannel,
     onCreateHashtagChannel: handleCreateHashtagChannel,
+    onBulkAddHashtagChannels: handleBulkAddChannels,
   };
   const contactInfoPaneProps = {
     contactKey: infoPaneContactKey,
@@ -630,6 +663,7 @@ export function App() {
       <AppShell
         localLabel={localLabel}
         showNewMessage={showNewMessage}
+        showBulkAddResults={bulkAddResult !== null}
         showSettings={showSettings}
         settingsSection={settingsSection}
         sidebarOpen={sidebarOpen}
@@ -640,6 +674,7 @@ export function App() {
         onToggleSettingsView={handleToggleSettingsView}
         onCloseSettingsView={handleCloseSettingsView}
         onCloseNewMessage={handleCloseNewMessage}
+        onCloseBulkAddResults={handleCloseBulkAddResults}
         onLocalLabelChange={setLocalLabel}
         statusProps={statusProps}
         sidebarProps={sidebarProps}
@@ -648,6 +683,7 @@ export function App() {
         settingsProps={settingsProps}
         crackerProps={crackerProps}
         newMessageModalProps={newMessageModalProps}
+        bulkAddChannelResultModalProps={bulkAddChannelResultModalProps}
         contactInfoPaneProps={contactInfoPaneProps}
         channelInfoPaneProps={channelInfoPaneProps}
       />

frontend/src/api.ts

@@ -1,6 +1,7 @@
 import type {
   AppSettings,
   AppSettingsUpdate,
+  BulkCreateHashtagChannelsResult,
   Channel,
   ChannelDetail,
   CommandResponse,
@@ -34,6 +35,7 @@ import type {
   RepeaterOwnerInfoResponse,
   RepeaterRadioSettingsResponse,
   RepeaterStatusResponse,
+  TelemetryHistoryEntry,
   StatisticsResponse,
   TraceResponse,
   UnreadCounts,
@@ -149,6 +151,12 @@ export const api = {
     fetchJson<{ status: string }>(`/contacts/${publicKey}`, {
       method: 'DELETE',
     }),
+  bulkDeleteContacts: (publicKeys: string[]) =>
+    fetchJson<{ deleted: number }>('/contacts/bulk-delete', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ public_keys: publicKeys }),
+    }),
   createContact: (publicKey: string, name?: string, tryHistorical?: boolean) =>
     fetchJson<Contact>('/contacts', {
       method: 'POST',
@@ -184,6 +192,11 @@ export const api = {
       method: 'POST',
       body: JSON.stringify({ name, key }),
     }),
+  bulkCreateHashtagChannels: (channelNames: string[], tryHistorical?: boolean) =>
+    fetchJson<BulkCreateHashtagChannelsResult>('/channels/bulk-hashtag', {
+      method: 'POST',
+      body: JSON.stringify({ channel_names: channelNames, try_historical: tryHistorical }),
+    }),
   deleteChannel: (key: string) =>
     fetchJson<{ status: string }>(`/channels/${key}`, { method: 'DELETE' }),
   getChannelDetail: (key: string) => fetchJson<ChannelDetail>(`/channels/${key}/detail`),
@@ -402,6 +415,8 @@ export const api = {
     fetchJson<RepeaterLppTelemetryResponse>(`/contacts/${publicKey}/repeater/lpp-telemetry`, {
       method: 'POST',
     }),
+  repeaterTelemetryHistory: (publicKey: string) =>
+    fetchJson<TelemetryHistoryEntry[]>(`/contacts/${publicKey}/repeater/telemetry-history`),
   roomLogin: (publicKey: string, password: string) =>
     fetchJson<RepeaterLoginResponse>(`/contacts/${publicKey}/room/login`, {
       method: 'POST',

frontend/src/components/AppShell.tsx

@@ -5,6 +5,7 @@ import { StatusBar } from './StatusBar';
 import { Sidebar } from './Sidebar';
 import { ConversationPane } from './ConversationPane';
 import { NewMessageModal } from './NewMessageModal';
+import { BulkAddChannelResultModal } from './BulkAddChannelResultModal';
 import { ContactInfoPane } from './ContactInfoPane';
 import { ChannelInfoPane } from './ChannelInfoPane';
 import { SecurityWarningModal } from './SecurityWarningModal';
@@ -33,12 +34,17 @@ const SearchView = lazy(() => import('./SearchView').then((m) => ({ default: m.S
 type SidebarProps = ComponentProps<typeof Sidebar>;
 type ConversationPaneProps = ComponentProps<typeof ConversationPane>;
 type NewMessageModalProps = Omit<ComponentProps<typeof NewMessageModal>, 'open' | 'onClose'>;
+type BulkAddChannelResultModalProps = Omit<
+  ComponentProps<typeof BulkAddChannelResultModal>,
+  'open' | 'onClose'
+>;
 type ContactInfoPaneProps = ComponentProps<typeof ContactInfoPane>;
 type ChannelInfoPaneProps = ComponentProps<typeof ChannelInfoPane>;
 
 interface AppShellProps {
   localLabel: LocalLabel;
   showNewMessage: boolean;
+  showBulkAddResults: boolean;
   showSettings: boolean;
   settingsSection: SettingsSection;
   sidebarOpen: boolean;
@@ -50,6 +56,7 @@ interface AppShellProps {
   onToggleSettingsView: () => void;
   onCloseSettingsView: () => void;
   onCloseNewMessage: () => void;
+  onCloseBulkAddResults: () => void;
   onLocalLabelChange: (label: LocalLabel) => void;
   statusProps: Pick<ComponentProps<typeof StatusBar>, 'health' | 'config'>;
   sidebarProps: SidebarProps;
@@ -61,6 +68,7 @@ interface AppShellProps {
   >;
   crackerProps: Omit<CrackerPanelProps, 'visible' | 'onRunningChange'>;
   newMessageModalProps: NewMessageModalProps;
+  bulkAddChannelResultModalProps: BulkAddChannelResultModalProps;
   contactInfoPaneProps: ContactInfoPaneProps;
   channelInfoPaneProps: ChannelInfoPaneProps;
 }
@@ -68,6 +76,7 @@ interface AppShellProps {
 export function AppShell({
   localLabel,
   showNewMessage,
+  showBulkAddResults,
   showSettings,
   settingsSection,
   sidebarOpen,
@@ -79,6 +88,7 @@ export function AppShell({
   onToggleSettingsView,
   onCloseSettingsView,
   onCloseNewMessage,
+  onCloseBulkAddResults,
   onLocalLabelChange,
   statusProps,
   sidebarProps,
@@ -87,6 +97,7 @@ export function AppShell({
   settingsProps,
   crackerProps,
   newMessageModalProps,
+  bulkAddChannelResultModalProps,
   contactInfoPaneProps,
   channelInfoPaneProps,
 }: AppShellProps) {
@@ -306,6 +317,11 @@ export function AppShell({
         open={showNewMessage}
         onClose={onCloseNewMessage}
       />
+      <BulkAddChannelResultModal
+        {...bulkAddChannelResultModalProps}
+        open={showBulkAddResults}
+        onClose={onCloseBulkAddResults}
+      />
 
       <SecurityWarningModal health={statusProps.health} />
       <ContactInfoPane {...contactInfoPaneProps} />

frontend/src/components/BulkAddChannelResultModal.tsx

@@ -0,0 +1,101 @@
+import type { BulkCreateHashtagChannelsResult, Channel } from '../types';
+import { getConversationHash } from '../utils/urlHash';
+import { Button } from './ui/button';
+import {
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+} from './ui/dialog';
+
+interface BulkAddChannelResultModalProps {
+  open: boolean;
+  result: BulkCreateHashtagChannelsResult | null;
+  onClose: () => void;
+}
+
+function getChannelHref(channel: Channel): string {
+  const hash = getConversationHash({
+    type: 'channel',
+    id: channel.key,
+    name: channel.name,
+  });
+  if (typeof window === 'undefined') {
+    return hash;
+  }
+  return `${window.location.origin}${window.location.pathname}${hash}`;
+}
+
+export function BulkAddChannelResultModal({
+  open,
+  result,
+  onClose,
+}: BulkAddChannelResultModalProps) {
+  const createdChannels = result?.created_channels ?? [];
+
+  return (
+    <Dialog open={open} onOpenChange={(isOpen) => !isOpen && onClose()}>
+      <DialogContent className="sm:max-w-[520px]">
+        <DialogHeader>
+          <DialogTitle>Bulk Add Complete</DialogTitle>
+          <DialogDescription>
+            {result?.message ?? 'Review the newly added rooms below.'}
+          </DialogDescription>
+        </DialogHeader>
+
+        <div className="space-y-4">
+          {result && (
+            <div className="grid grid-cols-2 gap-3 text-sm">
+              <div className="rounded-md border border-border/70 bg-muted/30 px-3 py-2">
+                <div className="text-xs uppercase tracking-wide text-muted-foreground">Created</div>
+                <div className="mt-1 font-medium">{createdChannels.length}</div>
+              </div>
+              <div className="rounded-md border border-border/70 bg-muted/30 px-3 py-2">
+                <div className="text-xs uppercase tracking-wide text-muted-foreground">
+                  Already Present
+                </div>
+                <div className="mt-1 font-medium">{result.existing_count}</div>
+              </div>
+            </div>
+          )}
+
+          {createdChannels.length > 0 ? (
+            <div className="space-y-2">
+              <p className="text-sm text-muted-foreground">
+                Ctrl+click any room to open it in a new tab.
+              </p>
+              <div className="max-h-64 overflow-y-auto rounded-md border border-border/70">
+                <ul className="divide-y divide-border/70">
+                  {createdChannels.map((channel) => (
+                    <li key={channel.key}>
+                      <a
+                        href={getChannelHref(channel)}
+                        className="block px-3 py-2 text-sm text-primary hover:bg-accent hover:text-primary"
+                      >
+                        {channel.name}
+                      </a>
+                    </li>
+                  ))}
+                </ul>
+              </div>
+            </div>
+          ) : (
+            <p className="text-sm text-muted-foreground">No new rooms were added.</p>
+          )}
+
+          {result && result.invalid_names.length > 0 && (
+            <div className="rounded-md border border-warning/30 bg-warning/10 px-3 py-2 text-sm text-warning">
+              Ignored invalid room names: {result.invalid_names.join(', ')}
+            </div>
+          )}
+        </div>
+
+        <DialogFooter>
+          <Button onClick={onClose}>Close</Button>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  );
+}

frontend/src/components/ContactInfoPane.tsx

@@ -1,4 +1,4 @@
-import { type ReactNode, useEffect, useState } from 'react';
+import { type ReactNode, useEffect, useMemo, useState } from 'react';
 import { Ban, Search, Star } from 'lucide-react';
 import {
   LineChart,
@@ -35,6 +35,7 @@ import { ContactAvatar } from './ContactAvatar';
 import { Sheet, SheetContent, SheetDescription, SheetHeader, SheetTitle } from './ui/sheet';
 import { toast } from './ui/sonner';
 import { useDistanceUnit } from '../contexts/DistanceUnitContext';
+import { CONTACT_TYPE_REPEATER } from '../types';
 import type {
   Contact,
   ContactActiveRoom,
@@ -158,6 +159,7 @@ export function ContactInfoPane({
     contact !== null &&
     !isPrefixOnlyResolvedContact &&
     isUnknownFullKeyContact(contact.public_key, contact.last_advert);
+  const isRepeater = contact?.type === CONTACT_TYPE_REPEATER;
 
   return (
     <Sheet open={contactKey !== null} onOpenChange={(open) => !open && onClose()}>
@@ -440,7 +442,7 @@ export function ContactInfoPane({
               </div>
             )}
 
-            {onSearchMessagesByKey && (
+            {!isRepeater && onSearchMessagesByKey && (
               <div className="px-5 py-3 border-b border-border">
                 <button
                   type="button"
@@ -453,40 +455,60 @@ export function ContactInfoPane({
               </div>
             )}
 
-            {/* Nearest Repeaters */}
+            {/* Nearest Repeaters (Hops) — last 7 days only */}
-            {analytics && analytics.nearest_repeaters.length > 0 && (
+            {analytics &&
-              <div className="px-5 py-3 border-b border-border">
+              (() => {
-                <SectionLabel>Nearest Repeaters</SectionLabel>
+                const sevenDaysAgo = Math.floor(Date.now() / 1000) - 7 * 86400;
-                <div className="space-y-1">
+                const recent = analytics.nearest_repeaters.filter(
-                  {analytics.nearest_repeaters.map((r) => (
+                  (r) => r.last_seen >= sevenDaysAgo
-                    <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>
+                if (recent.length === 0) return null;
-                      <span className="text-xs text-muted-foreground flex-shrink-0 ml-2">
+                return (
-                        {r.path_len === 0
+                  <div className="px-5 py-3 border-b border-border">
-                          ? 'direct'
+                    <SectionLabel>Nearest Repeaters — Hops (last 7 days)</SectionLabel>
-                          : `${r.path_len} hop${r.path_len > 1 ? 's' : ''}`}{' '}
+                    <div className="space-y-1">
-                        · {r.heard_count}x
+                      {recent.map((r) => (
-                      </span>
+                        <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">
+                            {r.path_len === 0
+                              ? 'direct'
+                              : `${r.path_len} hop${r.path_len > 1 ? 's' : ''}`}{' '}
+                            · {r.heard_count}x
+                          </span>
+                        </div>
+                      ))}
                     </div>
-                  ))}
+                  </div>
-                </div>
+                );
-              </div>
+              })()}
+
+            {/* Geographically nearest repeaters (repeaters only) */}
+            {isRepeater && contact && isValidLocation(contact.lat, contact.lon) && (
+              <NearbyRepeatersSection
+                contact={contact}
+                contacts={contacts}
+                distanceUnit={distanceUnit}
+              />
             )}
 
             {/* Advert Paths */}
             {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">
+                <div className="space-y-1.5">
                   {analytics.advert_paths.map((p) => (
                     <div
                       key={p.path + p.first_seen}
-                      className="flex justify-between items-center text-sm"
+                      className="flex justify-between items-start gap-2 text-sm"
                     >
-                      <span className="font-mono text-xs truncate">
+                      <span className="font-mono text-xs break-all">
                         {p.path ? parsePathHops(p.path, p.path_len).join(' → ') : '(direct)'}
                       </span>
-                      <span className="text-xs text-muted-foreground flex-shrink-0 ml-2">
+                      <span className="text-xs text-muted-foreground flex-shrink-0">
                         {p.heard_count}x · {formatTime(p.last_seen)}
                       </span>
                     </div>
@@ -518,17 +540,21 @@ export function ContactInfoPane({
               </div>
             )}
 
-            <MessageStatsSection
+            {!isRepeater && (
-              dmMessageCount={analytics?.dm_message_count ?? 0}
+              <>
-              channelMessageCount={analytics?.channel_message_count ?? 0}
+                <MessageStatsSection
-            />
+                  dmMessageCount={analytics?.dm_message_count ?? 0}
+                  channelMessageCount={analytics?.channel_message_count ?? 0}
+                />
 
-            <ActivityChartsSection analytics={analytics} />
+                <ActivityChartsSection analytics={analytics} />
 
-            <MostActiveChannelsSection
+                <MostActiveChannelsSection
-              channels={analytics?.most_active_rooms ?? []}
+                  channels={analytics?.most_active_rooms ?? []}
-              onNavigateToChannel={onNavigateToChannel}
+                  onNavigateToChannel={onNavigateToChannel}
-            />
+                />
+              </>
+            )}
           </div>
         ) : (
           <div className="flex-1 flex items-center justify-center text-muted-foreground">
@@ -826,6 +852,60 @@ function ActivityLineChart<T extends ContactAnalyticsHourlyBucket | ContactAnaly
   );
 }
 
+function NearbyRepeatersSection({
+  contact,
+  contacts,
+  distanceUnit,
+}: {
+  contact: Contact;
+  contacts: Contact[];
+  distanceUnit: import('../utils/distanceUnits').DistanceUnit;
+}) {
+  const nearby = useMemo(() => {
+    const sevenDaysAgo = Math.floor(Date.now() / 1000) - 7 * 86400;
+    const results: Array<{ name: string; publicKey: string; distance: number }> = [];
+    for (const other of contacts) {
+      const heardAt = Math.max(other.last_seen ?? 0, other.last_advert ?? 0);
+      if (
+        other.public_key === contact.public_key ||
+        other.type !== CONTACT_TYPE_REPEATER ||
+        !isValidLocation(other.lat, other.lon) ||
+        heardAt < sevenDaysAgo
+      ) {
+        continue;
+      }
+      const dist = calculateDistance(contact.lat, contact.lon, other.lat, other.lon);
+      if (dist !== null) {
+        results.push({
+          name: getContactDisplayName(other.name, other.public_key, other.last_advert),
+          publicKey: other.public_key,
+          distance: dist,
+        });
+      }
+    }
+    results.sort((a, b) => a.distance - b.distance);
+    return results.slice(0, 5);
+  }, [contact.public_key, contact.lat, contact.lon, contacts]);
+
+  if (nearby.length === 0) return null;
+
+  return (
+    <div className="px-5 py-3 border-b border-border">
+      <SectionLabel>Nearest Repeaters — Geo (last 7 days)</SectionLabel>
+      <div className="space-y-1">
+        {nearby.map((r) => (
+          <div key={r.publicKey} className="flex justify-between items-center text-sm">
+            <span className="truncate">{r.name}</span>
+            <span className="text-xs text-muted-foreground flex-shrink-0 ml-2">
+              {formatDistance(r.distance, distanceUnit)}
+            </span>
+          </div>
+        ))}
+      </div>
+    </div>
+  );
+}
+
 function InfoItem({ label, value }: { label: string; value: ReactNode }) {
   return (
     <div>

frontend/src/components/ConversationPane.tsx

@@ -233,6 +233,7 @@ export function ConversationPane({
           onToggleNotifications={onToggleNotifications}
           onToggleFavorite={onToggleFavorite}
           onDeleteContact={onDeleteContact}
+          onOpenContactInfo={onOpenContactInfo}
         />
       </Suspense>
     );

frontend/src/components/NewMessageModal.tsx

@@ -3,23 +3,29 @@ import { Dice5 } from 'lucide-react';
 import {
   Dialog,
   DialogContent,
-  DialogHeader,
-  DialogTitle,
   DialogDescription,
   DialogFooter,
+  DialogHeader,
+  DialogTitle,
 } from './ui/dialog';
-import { Tabs, TabsList, TabsTrigger, TabsContent } from './ui/tabs';
+import { Tabs, TabsContent, TabsList, TabsTrigger } from './ui/tabs';
 import { Input } from './ui/input';
 import { Label } from './ui/label';
 import { Checkbox } from './ui/checkbox';
 import { Button } from './ui/button';
 import { toast } from './ui/sonner';
 
-type Tab = 'new-contact' | 'new-channel' | 'hashtag';
+type Tab = 'new-contact' | 'new-channel' | 'hashtag' | 'bulk-hashtag';
+
+interface BulkParseResult {
+  channelNames: string[];
+  invalidNames: string[];
+}
 
 interface NewMessageModalProps {
   open: boolean;
   undecryptedCount: number;
+  showBulkAddChannelTab?: boolean;
   prefillRequest?: {
     tab: 'hashtag';
     hashtagName: string;
@@ -29,53 +35,121 @@ interface NewMessageModalProps {
   onCreateContact: (name: string, publicKey: string, tryHistorical: boolean) => Promise<void>;
   onCreateChannel: (name: string, key: string, tryHistorical: boolean) => Promise<void>;
   onCreateHashtagChannel: (name: string, tryHistorical: boolean) => Promise<void>;
+  onBulkAddHashtagChannels: (channelNames: string[], tryHistorical: boolean) => Promise<void>;
+}
+
+function validateHashtagName(channelName: string): string | null {
+  if (!channelName) {
+    return 'Channel name is required';
+  }
+  if (!/^[a-zA-Z0-9]+(-[a-zA-Z0-9]+)*$/.test(channelName)) {
+    return 'Use letters, numbers, and single dashes (no leading/trailing dashes)';
+  }
+  return null;
+}
+
+function parseBulkHashtagNames(rawText: string, permitCapitals: boolean): BulkParseResult {
+  const tokens = rawText
+    .split(/[\s,]+/)
+    .map((token) => token.trim())
+    .filter(Boolean);
+
+  const invalidNames: string[] = [];
+  const channelNames: string[] = [];
+  const seen = new Set<string>();
+
+  for (const token of tokens) {
+    const stripped = token.replace(/^#+/, '');
+    const validationError = validateHashtagName(stripped);
+    if (validationError) {
+      invalidNames.push(token);
+      continue;
+    }
+
+    const normalized = permitCapitals ? stripped : stripped.toLowerCase();
+    const channelName = `#${normalized}`;
+    if (seen.has(channelName)) {
+      continue;
+    }
+    seen.add(channelName);
+    channelNames.push(channelName);
+  }
+
+  return { channelNames, invalidNames };
 }
 
 export function NewMessageModal({
   open,
   undecryptedCount,
+  showBulkAddChannelTab = false,
   prefillRequest = null,
   onClose,
   onCreateContact,
   onCreateChannel,
   onCreateHashtagChannel,
+  onBulkAddHashtagChannels,
 }: NewMessageModalProps) {
   const [tab, setTab] = useState<Tab>('new-contact');
   const [name, setName] = useState('');
   const [contactKey, setContactKey] = useState('');
   const [channelKey, setChannelKey] = useState('');
+  const [bulkChannelText, setBulkChannelText] = useState('');
   const [tryHistorical, setTryHistorical] = useState(false);
   const [permitCapitals, setPermitCapitals] = useState(false);
   const [error, setError] = useState('');
   const [loading, setLoading] = useState(false);
   const hashtagInputRef = useRef<HTMLInputElement>(null);
+  const bulkTextareaRef = useRef<HTMLTextAreaElement>(null);
 
   const resetForm = () => {
     setName('');
     setContactKey('');
     setChannelKey('');
+    setBulkChannelText('');
     setTryHistorical(false);
     setPermitCapitals(false);
     setError('');
   };
 
   useEffect(() => {
-    if (!open || !prefillRequest) {
+    if (!open) {
       return;
     }
 
-    setTab(prefillRequest.tab);
+    if (prefillRequest) {
-    setName(prefillRequest.hashtagName);
+      setTab(prefillRequest.tab);
-    setContactKey('');
+      setName(prefillRequest.hashtagName);
-    setChannelKey('');
+      setContactKey('');
-    setTryHistorical(false);
+      setChannelKey('');
-    setPermitCapitals(false);
+      setBulkChannelText('');
-    setError('');
+      setTryHistorical(false);
-    setLoading(false);
+      setPermitCapitals(false);
-    requestAnimationFrame(() => {
+      setError('');
-      hashtagInputRef.current?.focus();
+      setLoading(false);
-    });
+      requestAnimationFrame(() => {
-  }, [open, prefillRequest]);
+        hashtagInputRef.current?.focus();
+      });
+      return;
+    }
+
+    if (showBulkAddChannelTab) {
+      setTab('bulk-hashtag');
+      setName('');
+      setContactKey('');
+      setChannelKey('');
+      setBulkChannelText('');
+      setTryHistorical(false);
+      setPermitCapitals(false);
+      setError('');
+      setLoading(false);
+      requestAnimationFrame(() => {
+        bulkTextareaRef.current?.focus();
+      });
+      return;
+    }
+
+    setTab('new-contact');
+  }, [open, prefillRequest, showBulkAddChannelTab]);
 
   const handleCreate = async () => {
     setError('');
@@ -87,7 +161,6 @@ export function NewMessageModal({
           setError('Name and public key are required');
           return;
         }
-        // handleCreateContact sets activeConversation with the backend-normalized key
         await onCreateContact(name.trim(), contactKey.trim(), tryHistorical);
       } else if (tab === 'new-channel') {
         if (!name.trim() || !channelKey.trim()) {
@@ -102,10 +175,24 @@ export function NewMessageModal({
           setError(validationError);
           return;
         }
-        // Normalize to lowercase unless user explicitly permits capitals
         const normalizedName = permitCapitals ? channelName : channelName.toLowerCase();
         await onCreateHashtagChannel(`#${normalizedName}`, tryHistorical);
+      } else {
+        const { channelNames, invalidNames } = parseBulkHashtagNames(
+          bulkChannelText,
+          permitCapitals
+        );
+        if (channelNames.length === 0) {
+          setError('Enter at least one valid room name');
+          return;
+        }
+        if (invalidNames.length > 0) {
+          setError(`Invalid room names: ${invalidNames.join(', ')}`);
+          return;
+        }
+        await onBulkAddHashtagChannels(channelNames, tryHistorical);
       }
+
       resetForm();
       onClose();
     } catch (err) {
@@ -118,16 +205,6 @@ export function NewMessageModal({
     }
   };
 
-  const validateHashtagName = (channelName: string): string | null => {
-    if (!channelName) {
-      return 'Channel name is required';
-    }
-    if (!/^[a-zA-Z0-9]+(-[a-zA-Z0-9]+)*$/.test(channelName)) {
-      return 'Use letters, numbers, and single dashes (no leading/trailing dashes)';
-    }
-    return null;
-  };
-
   const handleCreateAndAddAnother = async () => {
     setError('');
     const channelName = name.trim();
@@ -139,7 +216,6 @@ export function NewMessageModal({
 
     setLoading(true);
     try {
-      // Normalize to lowercase unless user explicitly permits capitals
       const normalizedName = permitCapitals ? channelName : channelName.toLowerCase();
       await onCreateHashtagChannel(`#${normalizedName}`, tryHistorical);
       setName('');
@@ -166,28 +242,36 @@ export function NewMessageModal({
         }
       }}
     >
-      <DialogContent className="sm:max-w-[500px]">
+      <DialogContent className="sm:max-w-[560px]">
         <DialogHeader>
           <DialogTitle>New Conversation</DialogTitle>
           <DialogDescription className="sr-only">
             {tab === 'new-contact' && 'Add a new contact by entering their name and public key'}
             {tab === 'new-channel' && 'Create a private channel with a shared encryption key'}
             {tab === 'hashtag' && 'Join a public hashtag channel'}
+            {tab === 'bulk-hashtag' && 'Paste multiple hashtag rooms to add them in one batch'}
           </DialogDescription>
         </DialogHeader>
 
         <Tabs
           value={tab}
-          onValueChange={(v) => {
+          onValueChange={(value) => {
-            setTab(v as Tab);
+            setTab(value as Tab);
             resetForm();
           }}
           className="w-full"
         >
-          <TabsList className="grid w-full grid-cols-3">
+          <TabsList
+            className={
+              showBulkAddChannelTab ? 'grid w-full grid-cols-4' : 'grid w-full grid-cols-3'
+            }
+          >
             <TabsTrigger value="new-contact">Contact</TabsTrigger>
             <TabsTrigger value="new-channel">Private Channel</TabsTrigger>
             <TabsTrigger value="hashtag">Hashtag Channel</TabsTrigger>
+            {showBulkAddChannelTab && (
+              <TabsTrigger value="bulk-hashtag">Bulk Add Channel</TabsTrigger>
+            )}
           </TabsList>
 
           <TabsContent value="new-contact" className="mt-4 space-y-4">
@@ -239,7 +323,7 @@ export function NewMessageModal({
                     const bytes = new Uint8Array(16);
                     crypto.getRandomValues(bytes);
                     const hex = Array.from(bytes)
-                      .map((b) => b.toString(16).padStart(2, '0'))
+                      .map((byte) => byte.toString(16).padStart(2, '0'))
                       .join('');
                     setChannelKey(hex);
                   }}
@@ -268,20 +352,55 @@ export function NewMessageModal({
               </div>
             </div>
             <div className="mt-3 space-y-1">
-              <label className="flex items-center gap-3 cursor-pointer">
+              <label className="flex cursor-pointer items-center gap-3">
                 <input
                   type="checkbox"
                   checked={permitCapitals}
                   onChange={(e) => setPermitCapitals(e.target.checked)}
-                  className="w-4 h-4 rounded border-input accent-primary"
+                  className="h-4 w-4 rounded border-input accent-primary"
                 />
                 <span className="text-sm">Permit capitals in channel key derivation</span>
               </label>
-              <p className="text-xs text-muted-foreground pl-7">
+              <p className="pl-7 text-xs text-muted-foreground">
                 Not recommended; most companions normalize to lowercase
               </p>
             </div>
           </TabsContent>
+
+          {showBulkAddChannelTab && (
+            <TabsContent value="bulk-hashtag" className="mt-4 space-y-4">
+              <div className="space-y-2">
+                <Label htmlFor="bulk-hashtag-names">Bulk Add Channel</Label>
+                <textarea
+                  ref={bulkTextareaRef}
+                  id="bulk-hashtag-names"
+                  aria-label="Bulk channel names"
+                  value={bulkChannelText}
+                  onChange={(e) => setBulkChannelText(e.target.value)}
+                  placeholder={'#ops\nmesh-room\nanother-room'}
+                  className="min-h-48 w-full rounded-md border border-input bg-background px-3 py-2 text-sm shadow-sm outline-none transition-colors placeholder:text-muted-foreground focus-visible:ring-2 focus-visible:ring-ring"
+                />
+                <p className="text-xs text-muted-foreground">
+                  Paste room names separated by lines, spaces, or commas. Leading # marks are
+                  stripped automatically.
+                </p>
+              </div>
+              <div className="space-y-1">
+                <label className="flex cursor-pointer items-center gap-3">
+                  <input
+                    type="checkbox"
+                    checked={permitCapitals}
+                    onChange={(e) => setPermitCapitals(e.target.checked)}
+                    className="h-4 w-4 rounded border-input accent-primary"
+                  />
+                  <span className="text-sm">Permit capitals in channel key derivation</span>
+                </label>
+                <p className="pl-7 text-xs text-muted-foreground">
+                  Not recommended; most companions normalize to lowercase
+                </p>
+              </div>
+            </TabsContent>
+          )}
         </Tabs>
 
         {showHistoricalOption && (
@@ -289,7 +408,7 @@ export function NewMessageModal({
             <div className="flex items-center justify-end space-x-2">
               <Label
                 htmlFor="try-historical"
-                className="text-sm text-muted-foreground cursor-pointer"
+                className="cursor-pointer text-sm text-muted-foreground"
               >
                 Try decrypting {undecryptedCount.toLocaleString()} stored packet
                 {undecryptedCount !== 1 ? 's' : ''}
@@ -301,7 +420,7 @@ export function NewMessageModal({
               />
             </div>
             {tryHistorical && (
-              <p className="text-xs text-muted-foreground text-right">
+              <p className="text-right text-xs text-muted-foreground">
                 Messages will stream in as they decrypt in the background
               </p>
             )}
@@ -330,7 +449,13 @@ export function NewMessageModal({
             </Button>
           )}
           <Button onClick={handleCreate} disabled={loading}>
-            {loading ? 'Creating...' : 'Create'}
+            {loading
+              ? tab === 'bulk-hashtag'
+                ? 'Adding...'
+                : 'Creating...'
+              : tab === 'bulk-hashtag'
+                ? 'Add Channels'
+                : 'Create'}
           </Button>
         </DialogFooter>
       </DialogContent>

frontend/src/components/PathModal.tsx

@@ -406,9 +406,12 @@ interface HopNodeProps {
   distanceUnit: DistanceUnit;
 }
 
+const AMBIGUOUS_MATCH_PREVIEW_LIMIT = 3;
+
 function HopNode({ hop, hopNumber, prevLocation, distanceUnit }: HopNodeProps) {
   const isAmbiguous = hop.matches.length > 1;
   const isUnknown = hop.matches.length === 0;
+  const [expanded, setExpanded] = useState(false);
 
   // Calculate distance from previous location for a contact
   // Returns null if prev location unknown/ambiguous or contact has no valid location
@@ -447,27 +450,38 @@ function HopNode({ hop, hopNumber, prevLocation, distanceUnit }: HopNodeProps) {
           <div className="font-medium text-muted-foreground">&lt;UNKNOWN&gt;</div>
         ) : isAmbiguous ? (
           <div>
-            {hop.matches.map((contact) => {
+            {(expanded ? hop.matches : hop.matches.slice(0, AMBIGUOUS_MATCH_PREVIEW_LIMIT)).map(
-              const dist = getDistanceForContact(contact);
+              (contact) => {
-              const hasLocation = isValidLocation(contact.lat, contact.lon);
+                const dist = getDistanceForContact(contact);
-              return (
+                const hasLocation = isValidLocation(contact.lat, contact.lon);
-                <div key={contact.public_key} className="font-medium truncate">
+                return (
-                  {contact.name || contact.public_key.slice(0, 12)}
+                  <div key={contact.public_key} className="font-medium truncate">
-                  {dist !== null && (
+                    {contact.name || contact.public_key.slice(0, 12)}
-                    <span className="text-xs text-muted-foreground ml-1">
+                    {dist !== null && (
-                      - {formatDistance(dist, distanceUnit)}
+                      <span className="text-xs text-muted-foreground ml-1">
-                    </span>
+                        - {formatDistance(dist, distanceUnit)}
-                  )}
+                      </span>
-                  {hasLocation && (
+                    )}
-                    <CoordinateLink
+                    {hasLocation && (
-                      lat={contact.lat!}
+                      <CoordinateLink
-                      lon={contact.lon!}
+                        lat={contact.lat!}
-                      publicKey={contact.public_key}
+                        lon={contact.lon!}
-                    />
+                        publicKey={contact.public_key}
-                  )}
+                      />
-                </div>
+                    )}
-              );
+                  </div>
-            })}
+                );
+              }
+            )}
+            {!expanded && hop.matches.length > AMBIGUOUS_MATCH_PREVIEW_LIMIT && (
+              <button
+                type="button"
+                className="text-xs text-primary hover:underline cursor-pointer"
+                onClick={() => setExpanded(true)}
+              >
+                (and {hop.matches.length - AMBIGUOUS_MATCH_PREVIEW_LIMIT} more)
+              </button>
+            )}
           </div>
         ) : (
           <div className="font-medium truncate">

frontend/src/components/RepeaterDashboard.tsx

@@ -1,8 +1,9 @@
-import { useState } from 'react';
+import { useState, useEffect } from 'react';
 
+import { api } from '../api';
 import { toast } from './ui/sonner';
 import { Button } from './ui/button';
-import { Bell, Route, Star, Trash2 } from 'lucide-react';
+import { Bell, Info, Route, Star, Trash2 } from 'lucide-react';
 import { DirectTraceIcon } from './DirectTraceIcon';
 import { RepeaterLogin } from './RepeaterLogin';
 import { ServerLoginStatusBanner } from './ServerLoginStatusBanner';
@@ -12,7 +13,13 @@ import { isFavorite } from '../utils/favorites';
 import { handleKeyboardActivate } from '../utils/a11y';
 import { isValidLocation } from '../utils/pathUtils';
 import { ContactStatusInfo } from './ContactStatusInfo';
-import type { Contact, Conversation, Favorite, PathDiscoveryResponse } from '../types';
+import type {
+  Contact,
+  Conversation,
+  Favorite,
+  PathDiscoveryResponse,
+  TelemetryHistoryEntry,
+} from '../types';
 import { cn } from '../lib/utils';
 import { TelemetryPane } from './repeater/RepeaterTelemetryPane';
 import { NeighborsPane } from './repeater/RepeaterNeighborsPane';
@@ -23,6 +30,7 @@ import { LppTelemetryPane } from './repeater/RepeaterLppTelemetryPane';
 import { OwnerInfoPane } from './repeater/RepeaterOwnerInfoPane';
 import { ActionsPane } from './repeater/RepeaterActionsPane';
 import { ConsolePane } from './repeater/RepeaterConsolePane';
+import { TelemetryHistoryPane } from './repeater/RepeaterTelemetryHistoryPane';
 import { ContactPathDiscoveryModal } from './ContactPathDiscoveryModal';
 
 // Re-export for backwards compatibility (used by repeaterFormatters.test.ts)
@@ -45,6 +53,7 @@ interface RepeaterDashboardProps {
   onToggleNotifications: () => void;
   onToggleFavorite: (type: 'channel' | 'contact', id: string) => void;
   onDeleteContact: (publicKey: string) => void;
+  onOpenContactInfo?: (publicKey: string) => void;
 }
 
 export function RepeaterDashboard({
@@ -62,6 +71,7 @@ export function RepeaterDashboard({
   onToggleNotifications,
   onToggleFavorite,
   onDeleteContact,
+  onOpenContactInfo,
 }: RepeaterDashboardProps) {
   const [pathDiscoveryOpen, setPathDiscoveryOpen] = useState(false);
   const contact = contacts.find((c) => c.public_key === conversation.id) ?? null;
@@ -88,6 +98,24 @@ export function RepeaterDashboard({
   const { password, setPassword, rememberPassword, setRememberPassword, persistAfterLogin } =
     useRememberedServerPassword('repeater', conversation.id);
 
+  // Telemetry history: preload from stored data, refresh from live status
+  const [telemetryHistory, setTelemetryHistory] = useState<TelemetryHistoryEntry[]>([]);
+  useEffect(() => {
+    if (!loggedIn) return;
+    api
+      .repeaterTelemetryHistory(conversation.id)
+      .then(setTelemetryHistory)
+      .catch(() => {});
+  }, [loggedIn, conversation.id]);
+
+  // When a live status fetch returns embedded telemetry_history, replace local state
+  useEffect(() => {
+    const liveHistory = paneData.status?.telemetry_history;
+    if (liveHistory && liveHistory.length > 0) {
+      setTelemetryHistory(liveHistory);
+    }
+  }, [paneData.status?.telemetry_history]);
+
   const isFav = isFavorite(favorites, 'contact', conversation.id);
   const handleRepeaterLogin = async (nextPassword: string) => {
     await login(nextPassword);
@@ -115,9 +143,24 @@ export function RepeaterDashboard({
         <span className="flex min-w-0 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">
+              <h2 className="min-w-0 flex-shrink font-semibold text-base">
-                {conversation.name}
+                {onOpenContactInfo ? (
-              </span>
+                  <button
+                    type="button"
+                    className="flex max-w-full min-w-0 items-center gap-1.5 overflow-hidden rounded-sm text-left transition-colors hover:text-primary focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
+                    aria-label={`View info for ${conversation.name}`}
+                    onClick={() => onOpenContactInfo(conversation.id)}
+                  >
+                    <span className="truncate">{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.name}</span>
+                )}
+              </h2>
               <span
                 className="min-w-0 flex-1 truncate font-mono text-[11px] text-muted-foreground transition-colors hover:text-primary"
                 role="button"
@@ -274,6 +317,7 @@ export function RepeaterDashboard({
                   onRefresh={() => refreshPane('status')}
                   disabled={anyLoading}
                 />
+                <TelemetryHistoryPane entries={telemetryHistory} />
                 <RadioSettingsPane
                   data={paneData.radioSettings}
                   state={paneStates.radioSettings}

frontend/src/components/SettingsModal.tsx

@@ -2,6 +2,7 @@ import { useState, useEffect, type ReactNode } from 'react';
 import type {
   AppSettings,
   AppSettingsUpdate,
+  Contact,
   HealthStatus,
   RadioAdvertMode,
   RadioConfig,
@@ -47,6 +48,8 @@ interface SettingsModalBaseProps {
   blockedNames?: string[];
   onToggleBlockedKey?: (key: string) => void;
   onToggleBlockedName?: (name: string) => void;
+  contacts?: Contact[];
+  onBulkDeleteContacts?: (deletedKeys: string[]) => void;
 }
 
 export type SettingsModalProps = SettingsModalBaseProps &
@@ -80,6 +83,8 @@ export function SettingsModal(props: SettingsModalProps) {
     blockedNames,
     onToggleBlockedKey,
     onToggleBlockedName,
+    contacts,
+    onBulkDeleteContacts,
   } = props;
   const externalSidebarNav = props.externalSidebarNav === true;
   const desktopSection = props.externalSidebarNav ? props.desktopSection : undefined;
@@ -239,6 +244,8 @@ export function SettingsModal(props: SettingsModalProps) {
                 blockedNames={blockedNames}
                 onToggleBlockedKey={onToggleBlockedKey}
                 onToggleBlockedName={onToggleBlockedName}
+                contacts={contacts}
+                onBulkDeleteContacts={onBulkDeleteContacts}
                 className={sectionContentClass}
               />
             ) : (

frontend/src/components/Sidebar.tsx

@@ -97,7 +97,7 @@ interface SidebarProps {
   channels: Channel[];
   activeConversation: Conversation | null;
   onSelectConversation: (conversation: Conversation) => void;
-  onNewMessage: () => void;
+  onNewMessage: (event?: React.MouseEvent<HTMLButtonElement>) => void;
   lastMessageTimes: ConversationTimes;
   unreadCounts: Record<string, number>;
   /** Tracks which conversations have unread messages that mention the user */
@@ -110,6 +110,8 @@ interface SidebarProps {
   /** Legacy global sort order, used only to seed per-section local preferences. */
   legacySortOrder?: SortOrder;
   isConversationNotificationsEnabled?: (type: 'channel' | 'contact', id: string) => boolean;
+  blockedKeys?: string[];
+  blockedNames?: string[];
 }
 
 type InitialSectionSortState = {
@@ -153,7 +155,16 @@ export function Sidebar({
   favorites,
   legacySortOrder,
   isConversationNotificationsEnabled,
+  blockedKeys = [],
+  blockedNames = [],
 }: SidebarProps) {
+  const isContactBlocked = useCallback(
+    (c: Contact) =>
+      blockedKeys.includes(c.public_key.toLowerCase()) ||
+      (c.name != null && blockedNames.includes(c.name)),
+    [blockedKeys, blockedNames]
+  );
+
   const [searchQuery, setSearchQuery] = useState('');
   const initialSectionSortState = useMemo(loadInitialSectionSortOrders, []);
   const [sectionSortOrders, setSectionSortOrders] = useState(initialSectionSortState.orders);
@@ -398,38 +409,32 @@ export function Sidebar({
     [sortedChannels, query]
   );
 
-  const filteredNonRepeaterContacts = useMemo(
+  const filteredNonRepeaterContacts = useMemo(() => {
-    () =>
+    const visible = sortedNonRepeaterContacts.filter((c) => !isContactBlocked(c));
-      query
+    return query
-        ? sortedNonRepeaterContacts.filter(
+      ? visible.filter(
-            (c) =>
+          (c) => c.name?.toLowerCase().includes(query) || c.public_key.toLowerCase().includes(query)
-              c.name?.toLowerCase().includes(query) || c.public_key.toLowerCase().includes(query)
+        )
-          )
+      : visible;
-        : sortedNonRepeaterContacts,
+  }, [sortedNonRepeaterContacts, query, isContactBlocked]);
-    [sortedNonRepeaterContacts, query]
-  );
 
-  const filteredRooms = useMemo(
+  const filteredRooms = useMemo(() => {
-    () =>
+    const visible = sortedRooms.filter((c) => !isContactBlocked(c));
-      query
+    return query
-        ? sortedRooms.filter(
+      ? visible.filter(
-            (c) =>
+          (c) => c.name?.toLowerCase().includes(query) || c.public_key.toLowerCase().includes(query)
-              c.name?.toLowerCase().includes(query) || c.public_key.toLowerCase().includes(query)
+        )
-          )
+      : visible;
-        : sortedRooms,
+  }, [sortedRooms, query, isContactBlocked]);
-    [sortedRooms, query]
-  );
 
-  const filteredRepeaters = useMemo(
+  const filteredRepeaters = useMemo(() => {
-    () =>
+    const visible = sortedRepeaters.filter((c) => !isContactBlocked(c));
-      query
+    return query
-        ? sortedRepeaters.filter(
+      ? visible.filter(
-            (c) =>
+          (c) => c.name?.toLowerCase().includes(query) || c.public_key.toLowerCase().includes(query)
-              c.name?.toLowerCase().includes(query) || c.public_key.toLowerCase().includes(query)
+        )
-          )
+      : visible;
-        : sortedRepeaters,
+  }, [sortedRepeaters, query, isContactBlocked]);
-    [sortedRepeaters, query]
-  );
 
   // Expand sections while searching; restore prior collapse state when search ends.
   useEffect(() => {
@@ -654,8 +659,9 @@ export function Sidebar({
   }) => (
     <div
       key={key}
+      data-active={active ? 'true' : undefined}
       className={cn(
-        'px-3 py-2 cursor-pointer flex items-center gap-2 border-l-2 border-transparent hover:bg-accent transition-colors text-[13px] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring',
+        'sidebar-action-row px-3 py-2 cursor-pointer flex items-center gap-2 border-l-2 border-transparent hover:bg-accent transition-colors text-[13px] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring',
         active && 'bg-accent border-l-primary'
       )}
       role="button"
@@ -664,10 +670,10 @@ export function Sidebar({
       onKeyDown={handleKeyboardActivate}
       onClick={onClick}
     >
-      <span className="sidebar-tool-icon text-muted-foreground" aria-hidden="true">
+      <span className="sidebar-tool-icon" aria-hidden="true">
         {icon}
       </span>
-      <span className="sidebar-tool-label flex-1 truncate text-muted-foreground">{label}</span>
+      <span className="sidebar-tool-label flex-1 truncate">{label}</span>
     </div>
   );
 

frontend/src/components/repeater/RepeaterTelemetryHistoryPane.tsx

@@ -0,0 +1,167 @@
+import { useState, useMemo } from 'react';
+import {
+  AreaChart,
+  Area,
+  XAxis,
+  YAxis,
+  CartesianGrid,
+  Tooltip as RechartsTooltip,
+  ResponsiveContainer,
+} from 'recharts';
+import { cn } from '@/lib/utils';
+import type { TelemetryHistoryEntry } from '../../types';
+
+type Metric = 'battery_volts' | 'noise_floor_dbm' | 'packets' | 'uptime_seconds';
+
+const METRIC_CONFIG: Record<Metric, { label: string; unit: string; color: string }> = {
+  battery_volts: { label: 'Voltage', unit: 'V', color: '#22c55e' },
+  noise_floor_dbm: { label: 'Noise Floor', unit: 'dBm', color: '#8b5cf6' },
+  packets: { label: 'Packets', unit: '', color: '#0ea5e9' },
+  uptime_seconds: { label: 'Uptime', unit: 's', color: '#f59e0b' },
+};
+
+const TOOLTIP_STYLE = {
+  contentStyle: {
+    backgroundColor: 'hsl(var(--popover))',
+    border: '1px solid hsl(var(--border))',
+    borderRadius: '6px',
+    fontSize: '11px',
+    color: 'hsl(var(--popover-foreground))',
+  },
+  itemStyle: { color: 'hsl(var(--popover-foreground))' },
+  labelStyle: { color: 'hsl(var(--muted-foreground))' },
+} as const;
+
+function formatTime(ts: number): string {
+  return new Date(ts * 1000).toLocaleString([], {
+    month: 'short',
+    day: 'numeric',
+    hour: '2-digit',
+    minute: '2-digit',
+  });
+}
+
+function formatUptime(seconds: number): string {
+  if (seconds < 3600) return `${Math.round(seconds / 60)}m`;
+  if (seconds < 86400) return `${(seconds / 3600).toFixed(1)}h`;
+  return `${(seconds / 86400).toFixed(1)}d`;
+}
+
+export function TelemetryHistoryPane({ entries }: { entries: TelemetryHistoryEntry[] }) {
+  const [metric, setMetric] = useState<Metric>('battery_volts');
+
+  const config = METRIC_CONFIG[metric];
+
+  const chartData = useMemo(() => {
+    return entries.map((e) => {
+      const d = e.data;
+      return {
+        timestamp: e.timestamp,
+        battery_volts: d.battery_volts,
+        noise_floor_dbm: d.noise_floor_dbm,
+        packets_received: d.packets_received,
+        packets_sent: d.packets_sent,
+        uptime_seconds: d.uptime_seconds,
+      };
+    });
+  }, [entries]);
+
+  const dataKeys = metric === 'packets' ? ['packets_received', 'packets_sent'] : [metric];
+
+  return (
+    <div className="border border-border rounded-lg overflow-hidden">
+      <div className="flex items-center justify-between px-3 py-2 bg-muted/50 border-b border-border">
+        <h3 className="text-sm font-medium">Telemetry History</h3>
+        <span className="text-[10px] text-muted-foreground">{entries.length} samples</span>
+      </div>
+      <div className="p-3">
+        {/* Metric selector */}
+        <div className="flex gap-1 mb-2">
+          {(Object.keys(METRIC_CONFIG) as Metric[]).map((m) => (
+            <button
+              key={m}
+              type="button"
+              onClick={() => setMetric(m)}
+              className={cn(
+                'text-[11px] px-2 py-0.5 rounded transition-colors',
+                metric === m
+                  ? 'bg-primary text-primary-foreground'
+                  : 'text-muted-foreground hover:text-foreground hover:bg-accent'
+              )}
+            >
+              {METRIC_CONFIG[m].label}
+            </button>
+          ))}
+        </div>
+
+        {entries.length === 0 ? (
+          <p className="text-sm text-muted-foreground italic">
+            No history yet. Fetch status above to record data points.
+          </p>
+        ) : (
+          <ResponsiveContainer width="100%" height={180}>
+            <AreaChart data={chartData} margin={{ top: 4, right: 4, bottom: 0, left: -8 }}>
+              <CartesianGrid strokeDasharray="3 3" stroke="hsl(var(--border))" vertical={false} />
+              <XAxis
+                dataKey="timestamp"
+                type="number"
+                domain={['dataMin', 'dataMax']}
+                tick={{ fontSize: 10, fill: 'hsl(var(--muted-foreground))' }}
+                tickLine={false}
+                axisLine={false}
+                tickFormatter={formatTime}
+              />
+              <YAxis
+                tick={{ fontSize: 10, fill: 'hsl(var(--muted-foreground))' }}
+                tickLine={false}
+                axisLine={false}
+                tickFormatter={(v) => (metric === 'uptime_seconds' ? formatUptime(v) : `${v}`)}
+              />
+              <RechartsTooltip
+                {...TOOLTIP_STYLE}
+                cursor={{
+                  stroke: 'hsl(var(--muted-foreground))',
+                  strokeWidth: 1,
+                  strokeDasharray: '3 3',
+                }}
+                labelFormatter={(ts) => formatTime(Number(ts))}
+                // eslint-disable-next-line @typescript-eslint/no-explicit-any
+                formatter={(value: any, name: any) => {
+                  const numVal = typeof value === 'number' ? value : Number(value);
+                  const display = metric === 'uptime_seconds' ? formatUptime(numVal) : `${value}`;
+                  const suffix =
+                    metric === 'uptime_seconds' ? '' : config.unit ? ` ${config.unit}` : '';
+                  const label =
+                    metric === 'packets'
+                      ? name === 'packets_received'
+                        ? 'Received'
+                        : 'Sent'
+                      : config.label;
+                  return [`${display}${suffix}`, label];
+                }}
+              />
+              {dataKeys.map((key, i) => (
+                <Area
+                  key={key}
+                  type="linear"
+                  dataKey={key}
+                  stroke={metric === 'packets' ? (i === 0 ? '#0ea5e9' : '#f43f5e') : config.color}
+                  fill={metric === 'packets' ? (i === 0 ? '#0ea5e9' : '#f43f5e') : config.color}
+                  fillOpacity={0.15}
+                  strokeWidth={1.5}
+                  dot={false}
+                  activeDot={{
+                    r: 4,
+                    fill: metric === 'packets' ? (i === 0 ? '#0ea5e9' : '#f43f5e') : config.color,
+                    strokeWidth: 2,
+                    stroke: 'hsl(var(--popover))',
+                  }}
+                />
+              ))}
+            </AreaChart>
+          </ResponsiveContainer>
+        )}
+      </div>
+    </div>
+  );
+}

frontend/src/components/settings/BulkDeleteContactsModal.tsx

@@ -0,0 +1,352 @@
+import { useCallback, useMemo, useRef, useState } from 'react';
+import { api } from '../../api';
+import { getContactDisplayName } from '../../utils/pubkey';
+import { Button } from '../ui/button';
+import { Input } from '../ui/input';
+import { Dialog, DialogContent, DialogHeader, DialogTitle, DialogDescription } from '../ui/dialog';
+import { toast } from '../ui/sonner';
+import type { Contact } from '../../types';
+
+const CONTACT_TYPE_LABELS: Record<number, string> = {
+  0: 'Unknown',
+  1: 'Client',
+  2: 'Repeater',
+  3: 'Room',
+  4: 'Sensor',
+};
+
+function formatDate(ts: number): string {
+  return new Date(ts * 1000).toLocaleDateString([], {
+    year: 'numeric',
+    month: '2-digit',
+    day: '2-digit',
+  });
+}
+
+function formatDateISO(ts: number): string {
+  return new Date(ts * 1000).toISOString().slice(0, 10);
+}
+
+function datetimeToUnix(datetimeStr: string): number {
+  const d = new Date(datetimeStr);
+  return Math.floor(d.getTime() / 1000);
+}
+
+interface BulkDeleteContactsModalProps {
+  open: boolean;
+  onClose: () => void;
+  contacts: Contact[];
+  onDeleted: (deletedKeys: string[]) => void;
+}
+
+export function BulkDeleteContactsModal({
+  open,
+  onClose,
+  contacts,
+  onDeleted,
+}: BulkDeleteContactsModalProps) {
+  const [step, setStep] = useState<'select' | 'confirm'>('select');
+  const [selectedKeys, setSelectedKeys] = useState<Set<string>>(new Set());
+  const [startDate, setStartDate] = useState('');
+  const [endDate, setEndDate] = useState('');
+  const [typeFilter, setTypeFilter] = useState<number | 'all'>('all');
+  const [deleting, setDeleting] = useState(false);
+  const lastClickedKeyRef = useRef<string | null>(null);
+
+  const resetAndClose = useCallback(() => {
+    setStep('select');
+    setSelectedKeys(new Set());
+    setStartDate('');
+    setEndDate('');
+    setTypeFilter('all');
+    lastClickedKeyRef.current = null;
+    onClose();
+  }, [onClose]);
+
+  const filteredContacts = useMemo(() => {
+    let list = [...contacts].sort((a, b) => (b.first_seen ?? 0) - (a.first_seen ?? 0));
+    if (typeFilter !== 'all') {
+      list = list.filter((c) => c.type === typeFilter);
+    }
+    if (startDate) {
+      const start = datetimeToUnix(startDate);
+      list = list.filter((c) => (c.first_seen ?? 0) >= start);
+    }
+    if (endDate) {
+      const end = datetimeToUnix(endDate);
+      list = list.filter((c) => (c.first_seen ?? 0) <= end);
+    }
+    return list;
+  }, [contacts, typeFilter, startDate, endDate]);
+
+  const handleToggle = (key: string, shiftKey: boolean) => {
+    if (shiftKey && lastClickedKeyRef.current && lastClickedKeyRef.current !== key) {
+      const keys = filteredContacts.map((c) => c.public_key);
+      const lastIdx = keys.indexOf(lastClickedKeyRef.current);
+      const curIdx = keys.indexOf(key);
+      if (lastIdx >= 0 && curIdx >= 0) {
+        const from = Math.min(lastIdx, curIdx);
+        const to = Math.max(lastIdx, curIdx);
+        const rangeKeys = keys.slice(from, to + 1);
+        setSelectedKeys((prev) => {
+          const next = new Set(prev);
+          for (const k of rangeKeys) next.add(k);
+          return next;
+        });
+        lastClickedKeyRef.current = key;
+        return;
+      }
+    }
+    setSelectedKeys((prev) => {
+      const next = new Set(prev);
+      if (next.has(key)) next.delete(key);
+      else next.add(key);
+      return next;
+    });
+    lastClickedKeyRef.current = key;
+  };
+
+  const handleSelectAll = () => {
+    setSelectedKeys(new Set(filteredContacts.map((c) => c.public_key)));
+  };
+
+  const handleSelectNone = () => {
+    setSelectedKeys(new Set());
+  };
+
+  const selectedContacts = useMemo(
+    () => contacts.filter((c) => selectedKeys.has(c.public_key)),
+    [contacts, selectedKeys]
+  );
+
+  const contactCount = selectedContacts.filter((c) => c.type === 1 || c.type === 0).length;
+  const repeaterCount = selectedContacts.filter((c) => c.type === 2).length;
+  const roomCount = selectedContacts.filter((c) => c.type === 3).length;
+  const sensorCount = selectedContacts.filter((c) => c.type === 4).length;
+
+  const firstSeenDates = selectedContacts.map((c) => c.first_seen ?? 0).filter((t) => t > 0);
+  const minDate =
+    firstSeenDates.length > 0 ? formatDateISO(Math.min(...firstSeenDates)) : 'unknown';
+  const maxDate =
+    firstSeenDates.length > 0 ? formatDateISO(Math.max(...firstSeenDates)) : 'unknown';
+
+  const handleDelete = async () => {
+    setDeleting(true);
+    try {
+      const keysToDelete = [...selectedKeys];
+      const result = await api.bulkDeleteContacts(keysToDelete);
+      toast.success(`Deleted ${result.deleted} contact${result.deleted === 1 ? '' : 's'}`);
+      onDeleted(keysToDelete);
+      resetAndClose();
+    } catch (err) {
+      console.error('Bulk delete failed:', err);
+      toast.error('Bulk delete failed', {
+        description: err instanceof Error ? err.message : undefined,
+      });
+    } finally {
+      setDeleting(false);
+    }
+  };
+
+  return (
+    <Dialog open={open} onOpenChange={(isOpen) => !isOpen && resetAndClose()}>
+      <DialogContent className="sm:max-w-2xl max-h-[85dvh] flex flex-col">
+        <DialogHeader>
+          <DialogTitle>
+            {step === 'select' ? 'Bulk Delete Contacts' : 'Confirm Deletion'}
+          </DialogTitle>
+          <DialogDescription>
+            {step === 'select'
+              ? 'Select contacts to delete. Message history will be preserved and accessible if a contact is re-added, but will no longer appear in the sidebar.'
+              : 'Review the contacts that will be permanently deleted.'}
+          </DialogDescription>
+        </DialogHeader>
+
+        {step === 'select' && (
+          <>
+            <div className="flex flex-wrap items-end gap-3">
+              <div className="space-y-1">
+                <label className="text-xs text-muted-foreground">Show</label>
+                <select
+                  value={typeFilter === 'all' ? 'all' : String(typeFilter)}
+                  onChange={(e) =>
+                    setTypeFilter(e.target.value === 'all' ? 'all' : Number(e.target.value))
+                  }
+                  className="block h-8 rounded-md border border-input bg-background px-2 text-sm"
+                >
+                  <option value="all">All</option>
+                  <option value="1">Clients</option>
+                  <option value="2">Repeaters</option>
+                  <option value="3">Room Servers</option>
+                  <option value="4">Sensors</option>
+                </select>
+              </div>
+              <div className="space-y-1">
+                <label className="text-xs text-muted-foreground">Created after</label>
+                <Input
+                  type="datetime-local"
+                  value={startDate}
+                  onChange={(e) => setStartDate(e.target.value)}
+                  className="w-48 h-8 text-sm"
+                />
+              </div>
+              <div className="space-y-1">
+                <label className="text-xs text-muted-foreground">Created before</label>
+                <Input
+                  type="datetime-local"
+                  value={endDate}
+                  onChange={(e) => setEndDate(e.target.value)}
+                  className="w-48 h-8 text-sm"
+                />
+              </div>
+              <div className="flex gap-1.5">
+                <Button type="button" variant="outline" size="sm" onClick={handleSelectAll}>
+                  Select all
+                </Button>
+                <Button type="button" variant="outline" size="sm" onClick={handleSelectNone}>
+                  Select none
+                </Button>
+              </div>
+            </div>
+
+            <div className="text-xs text-muted-foreground">
+              {filteredContacts.length} contact{filteredContacts.length === 1 ? '' : 's'} shown
+              {(startDate || endDate) && ' (filtered)'}
+              {' · '}
+              {selectedKeys.size} selected
+            </div>
+
+            <div className="flex-1 overflow-y-auto min-h-0 border border-border rounded-md">
+              {filteredContacts.length === 0 ? (
+                <div className="p-4 text-center text-sm text-muted-foreground">
+                  No contacts match the selected date range.
+                </div>
+              ) : (
+                <table className="w-full text-sm">
+                  <thead className="sticky top-0 bg-muted/90 backdrop-blur-sm">
+                    <tr className="text-left text-xs text-muted-foreground">
+                      <th className="px-3 py-1.5 w-8" />
+                      <th className="px-3 py-1.5">Name</th>
+                      <th className="px-3 py-1.5 hidden sm:table-cell">Type</th>
+                      <th className="px-3 py-1.5">Key</th>
+                      <th className="px-3 py-1.5 hidden sm:table-cell">Created</th>
+                    </tr>
+                  </thead>
+                  <tbody>
+                    {filteredContacts.map((c) => (
+                      <tr
+                        key={c.public_key}
+                        className="border-t border-border hover:bg-accent/50 cursor-pointer"
+                        onClick={(e) => handleToggle(c.public_key, e.shiftKey)}
+                      >
+                        <td className="px-3 py-1.5">
+                          <input
+                            type="checkbox"
+                            checked={selectedKeys.has(c.public_key)}
+                            onChange={(e) =>
+                              handleToggle(
+                                c.public_key,
+                                e.nativeEvent instanceof MouseEvent && e.nativeEvent.shiftKey
+                              )
+                            }
+                            onClick={(e) => e.stopPropagation()}
+                            className="rounded border-input"
+                          />
+                        </td>
+                        <td className="px-3 py-1.5 truncate max-w-[10rem]">
+                          {getContactDisplayName(c.name, c.public_key, c.last_advert)}
+                        </td>
+                        <td className="px-3 py-1.5 hidden sm:table-cell text-xs text-muted-foreground">
+                          {CONTACT_TYPE_LABELS[c.type] ?? 'Unknown'}
+                        </td>
+                        <td className="px-3 py-1.5 font-mono text-xs text-muted-foreground truncate max-w-[8rem]">
+                          {c.public_key.slice(0, 12)}
+                        </td>
+                        <td className="px-3 py-1.5 hidden sm:table-cell text-xs text-muted-foreground">
+                          {c.first_seen ? formatDate(c.first_seen) : '—'}
+                        </td>
+                      </tr>
+                    ))}
+                  </tbody>
+                </table>
+              )}
+            </div>
+
+            <div className="flex justify-end gap-2 pt-2">
+              <Button variant="secondary" onClick={resetAndClose}>
+                Cancel
+              </Button>
+              <Button
+                variant="outline"
+                className="border-warning text-warning hover:bg-warning/10 hover:text-warning"
+                disabled={selectedKeys.size === 0}
+                onClick={() => setStep('confirm')}
+              >
+                Proceed to confirmation ({selectedKeys.size})
+              </Button>
+            </div>
+          </>
+        )}
+
+        {step === 'confirm' && (
+          <>
+            <div className="flex-1 overflow-y-auto min-h-0 border border-border rounded-md">
+              <table className="w-full text-sm">
+                <thead className="sticky top-0 bg-muted/90 backdrop-blur-sm">
+                  <tr className="text-left text-xs text-muted-foreground">
+                    <th className="px-3 py-1.5">Name</th>
+                    <th className="px-3 py-1.5">Type</th>
+                    <th className="px-3 py-1.5">Key</th>
+                    <th className="px-3 py-1.5 hidden sm:table-cell">Created</th>
+                  </tr>
+                </thead>
+                <tbody>
+                  {selectedContacts.map((c) => (
+                    <tr key={c.public_key} className="border-t border-border">
+                      <td className="px-3 py-1.5 truncate max-w-[12rem]">
+                        {getContactDisplayName(c.name, c.public_key, c.last_advert)}
+                      </td>
+                      <td className="px-3 py-1.5 text-xs text-muted-foreground">
+                        {CONTACT_TYPE_LABELS[c.type] ?? 'Unknown'}
+                      </td>
+                      <td className="px-3 py-1.5 font-mono text-xs text-muted-foreground truncate max-w-[8rem]">
+                        {c.public_key.slice(0, 12)}
+                      </td>
+                      <td className="px-3 py-1.5 hidden sm:table-cell text-xs text-muted-foreground">
+                        {c.first_seen ? formatDate(c.first_seen) : '—'}
+                      </td>
+                    </tr>
+                  ))}
+                </tbody>
+              </table>
+            </div>
+
+            <div className="flex flex-col gap-3 pt-2">
+              <Button
+                variant="destructive"
+                className="w-full h-auto py-3 text-wrap"
+                disabled={deleting}
+                onClick={handleDelete}
+              >
+                {deleting
+                  ? 'Deleting...'
+                  : `I confirm permanent, irrevocable deletion of all listed nodes above, totalling ${[
+                      contactCount > 0 && `${contactCount} contact${contactCount === 1 ? '' : 's'}`,
+                      repeaterCount > 0 &&
+                        `${repeaterCount} repeater${repeaterCount === 1 ? '' : 's'}`,
+                      roomCount > 0 && `${roomCount} room${roomCount === 1 ? '' : 's'}`,
+                      sensorCount > 0 && `${sensorCount} sensor${sensorCount === 1 ? '' : 's'}`,
+                    ]
+                      .filter(Boolean)
+                      .join(', ')}, spanning creation dates from ${minDate} to ${maxDate}`}
+              </Button>
+              <Button variant="secondary" onClick={() => setStep('select')} disabled={deleting}>
+                Back
+              </Button>
+            </div>
+          </>
+        )}
+      </DialogContent>
+    </Dialog>
+  );
+}

frontend/src/components/settings/SettingsDatabaseSection.tsx

@@ -6,7 +6,8 @@ import { Separator } from '../ui/separator';
 import { toast } from '../ui/sonner';
 import { api } from '../../api';
 import { formatTime } from '../../utils/messageParser';
-import type { AppSettings, AppSettingsUpdate, HealthStatus } from '../../types';
+import { BulkDeleteContactsModal } from './BulkDeleteContactsModal';
+import type { AppSettings, AppSettingsUpdate, Contact, HealthStatus } from '../../types';
 
 export function SettingsDatabaseSection({
   appSettings,
@@ -17,6 +18,8 @@ export function SettingsDatabaseSection({
   blockedNames = [],
   onToggleBlockedKey,
   onToggleBlockedName,
+  contacts = [],
+  onBulkDeleteContacts,
   className,
 }: {
   appSettings: AppSettings;
@@ -27,18 +30,23 @@ export function SettingsDatabaseSection({
   blockedNames?: string[];
   onToggleBlockedKey?: (key: string) => void;
   onToggleBlockedName?: (name: string) => void;
+  contacts?: Contact[];
+  onBulkDeleteContacts?: (deletedKeys: string[]) => void;
   className?: string;
 }) {
   const [retentionDays, setRetentionDays] = useState('14');
   const [cleaning, setCleaning] = useState(false);
   const [purgingDecryptedRaw, setPurgingDecryptedRaw] = useState(false);
   const [autoDecryptOnAdvert, setAutoDecryptOnAdvert] = useState(false);
+  const [discoveryBlockedTypes, setDiscoveryBlockedTypes] = useState<number[]>([]);
+  const [bulkDeleteOpen, setBulkDeleteOpen] = useState(false);
 
   const [busy, setBusy] = useState(false);
   const [error, setError] = useState<string | null>(null);
 
   useEffect(() => {
     setAutoDecryptOnAdvert(appSettings.auto_decrypt_dm_on_advert);
+    setDiscoveryBlockedTypes(appSettings.discovery_blocked_types ?? []);
   }, [appSettings]);
 
   const handleCleanup = async () => {
@@ -92,7 +100,15 @@ export function SettingsDatabaseSection({
     setError(null);
 
     try {
-      await onSaveAppSettings({ auto_decrypt_dm_on_advert: autoDecryptOnAdvert });
+      const update: AppSettingsUpdate = { auto_decrypt_dm_on_advert: autoDecryptOnAdvert };
+      const currentBlocked = appSettings.discovery_blocked_types ?? [];
+      if (
+        discoveryBlockedTypes.length !== currentBlocked.length ||
+        discoveryBlockedTypes.some((t) => !currentBlocked.includes(t))
+      ) {
+        update.discovery_blocked_types = discoveryBlockedTypes;
+      }
+      await onSaveAppSettings(update);
       toast.success('Database settings saved');
     } catch (err) {
       console.error('Failed to save database settings:', err);
@@ -105,93 +121,93 @@ export function SettingsDatabaseSection({
 
   return (
     <div className={className}>
+      {/* ── Database Overview ── */}
       <div className="space-y-3">
-        <div className="flex justify-between items-center">
+        <Label className="text-base">Database Overview</Label>
-          <span className="text-sm text-muted-foreground">Database size</span>
+        <div className="rounded-md border border-border bg-muted/30 p-3 space-y-2">
-          <span className="font-medium">{health?.database_size_mb ?? '?'} MB</span>
-        </div>
-
-        {health?.oldest_undecrypted_timestamp ? (
           <div className="flex justify-between items-center">
-            <span className="text-sm text-muted-foreground">Oldest undecrypted packet</span>
+            <span className="text-sm">Database size</span>
-            <span className="font-medium">
+            <span className="text-sm font-semibold">{health?.database_size_mb ?? '?'} MB</span>
-              {formatTime(health.oldest_undecrypted_timestamp)}
+          </div>
-              <span className="text-muted-foreground ml-1">
+          <div className="flex justify-between items-center">
-                ({Math.floor((Date.now() / 1000 - health.oldest_undecrypted_timestamp) / 86400)}{' '}
+            <span className="text-sm">Oldest undecrypted packet</span>
-                days old)
+            {health?.oldest_undecrypted_timestamp ? (
+              <span className="text-sm font-semibold">
+                {formatTime(health.oldest_undecrypted_timestamp)}
+                <span className="font-normal text-muted-foreground ml-1">
+                  ({Math.floor((Date.now() / 1000 - health.oldest_undecrypted_timestamp) / 86400)}{' '}
+                  days)
+                </span>
               </span>
-            </span>
+            ) : (
+              <span className="text-sm text-muted-foreground">None</span>
+            )}
           </div>
-        ) : (
+        </div>
-          <div className="flex justify-between items-center">
-            <span className="text-sm text-muted-foreground">Oldest undecrypted packet</span>
-            <span className="text-muted-foreground">None</span>
-          </div>
-        )}
       </div>
 
       <Separator />
 
-      <div className="space-y-3">
+      {/* ── Storage Cleanup ── */}
-        <Label>Delete Undecrypted Packets</Label>
+      <div className="space-y-4">
-        <p className="text-xs text-muted-foreground">
+        <Label className="text-base">Storage Cleanup</Label>
-          Permanently deletes stored raw packets containing DMs and channel messages that have not
+
-          yet been decrypted. These packets are retained in case you later obtain the correct key —
+        <div className="rounded-md border border-border p-3 space-y-2">
-          once deleted, these messages can never be recovered or decrypted.
+          <Label className="text-sm">Delete Undecrypted Packets</Label>
-        </p>
+          <p className="text-xs text-muted-foreground">
-        <div className="flex gap-2 items-end">
+            Permanently deletes stored raw packets that have not yet been decrypted. These are
-          <div className="space-y-1">
+            retained in case you later obtain the correct key — once deleted, these messages can
-            <Label htmlFor="retention-days" className="text-xs">
+            never be recovered.
-              Older than (days)
+          </p>
-            </Label>
+          <div className="flex gap-2 items-end">
-            <Input
+            <div className="space-y-1">
-              id="retention-days"
+              <Label htmlFor="retention-days" className="text-xs text-muted-foreground">
-              type="number"
+                Older than (days)
-              min="1"
+              </Label>
-              max="365"
+              <Input
-              value={retentionDays}
+                id="retention-days"
-              onChange={(e) => setRetentionDays(e.target.value)}
+                type="number"
-              className="w-24"
+                min="1"
-            />
+                max="365"
+                value={retentionDays}
+                onChange={(e) => setRetentionDays(e.target.value)}
+                className="w-24"
+              />
+            </div>
+            <Button
+              variant="outline"
+              onClick={handleCleanup}
+              disabled={cleaning}
+              className="border-destructive/50 text-destructive hover:bg-destructive/10"
+            >
+              {cleaning ? 'Deleting...' : 'Delete'}
+            </Button>
           </div>
+        </div>
+
+        <div className="rounded-md border border-border p-3 space-y-2">
+          <Label className="text-sm">Purge Archival Raw Packets</Label>
+          <p className="text-xs text-muted-foreground">
+            Deletes the raw packet bytes behind messages that are already decrypted and visible in
+            chat. This frees space but removes packet-analysis availability for those messages. It
+            does not affect displayed messages or future decryption.
+          </p>
           <Button
             variant="outline"
-            onClick={handleCleanup}
+            onClick={handlePurgeDecryptedRawPackets}
-            disabled={cleaning}
+            disabled={purgingDecryptedRaw}
-            className="border-destructive/50 text-destructive hover:bg-destructive/10"
+            className="w-full border-warning/50 text-warning hover:bg-warning/10"
           >
-            {cleaning ? 'Deleting...' : 'Permanently Delete'}
+            {purgingDecryptedRaw ? 'Purging...' : 'Purge Archival Packets'}
           </Button>
         </div>
       </div>
 
       <Separator />
 
+      {/* ── DM Decryption ── */}
       <div className="space-y-3">
-        <Label>Purge Archival Raw Packets</Label>
+        <Label className="text-base">DM Decryption</Label>
-        <p className="text-xs text-muted-foreground">
-          Deletes archival copies of raw packet bytes for messages that are already decrypted and
-          visible in your chat history.{' '}
-          <em className="text-muted-foreground/80">
-            This will not affect any displayed messages or your ability to do historical decryption,
-            but it will remove packet-analysis availability for those historical messages.
-          </em>{' '}
-          The raw bytes are only useful for manual packet analysis.
-        </p>
-        <Button
-          variant="outline"
-          onClick={handlePurgeDecryptedRawPackets}
-          disabled={purgingDecryptedRaw}
-          className="w-full border-warning/50 text-warning hover:bg-warning/10"
-        >
-          {purgingDecryptedRaw ? 'Purging Archival Raw Packets...' : 'Purge Archival Raw Packets'}
-        </Button>
-      </div>
-
-      <Separator />
-
-      <div className="space-y-3">
-        <Label>DM Decryption</Label>
         <label className="flex items-center gap-3 cursor-pointer">
           <input
             type="checkbox"
@@ -207,17 +223,87 @@ export function SettingsDatabaseSection({
         </p>
       </div>
 
+      {error && (
+        <div className="text-sm text-destructive" role="alert">
+          {error}
+        </div>
+      )}
+
+      <Button onClick={handleSave} disabled={busy} className="w-full">
+        {busy ? 'Saving...' : 'Save Settings'}
+      </Button>
+
       <Separator />
 
+      {/* ── Contact Management ── */}
+      <div className="space-y-2">
+        <Label className="text-base">Contact Management</Label>
+      </div>
+
+      {/* Block discovery of new node types */}
+      <div className="space-y-3">
+        <Label>Block Discovery of New Node Types</Label>
+        <p className="text-xs text-muted-foreground">
+          Checked types will be ignored when heard via advertisement. Existing contacts of these
+          types are still updated. This does not affect contacts added manually or via DM.
+        </p>
+        <div className="space-y-1.5">
+          {(
+            [
+              [1, 'Block clients'],
+              [2, 'Block repeaters'],
+              [3, 'Block room servers'],
+              [4, 'Block sensors'],
+            ] as const
+          ).map(([typeCode, label]) => {
+            const checked = discoveryBlockedTypes.includes(typeCode);
+            return (
+              <label key={typeCode} className="flex items-center gap-2 text-sm cursor-pointer">
+                <input
+                  type="checkbox"
+                  checked={checked}
+                  onChange={() =>
+                    setDiscoveryBlockedTypes((prev) =>
+                      checked ? prev.filter((t) => t !== typeCode) : [...prev, typeCode]
+                    )
+                  }
+                  className="rounded border-input"
+                />
+                {label}
+              </label>
+            );
+          })}
+        </div>
+        {discoveryBlockedTypes.length > 0 && (
+          <p className="text-xs text-warning">
+            New{' '}
+            {discoveryBlockedTypes
+              .map((t) =>
+                t === 1 ? 'clients' : t === 2 ? 'repeaters' : t === 3 ? 'room servers' : 'sensors'
+              )
+              .join(', ')}{' '}
+            heard via advertisement will not be added to your contact list.
+          </p>
+        )}
+      </div>
+
+      <Separator />
+
+      {/* Blocked contacts list */}
       <div className="space-y-3">
         <Label>Blocked Contacts</Label>
         <p className="text-xs text-muted-foreground">
-          Blocking only hides messages from the UI. MQTT forwarding and bot responses are not
+          Blocked contacts are hidden from the sidebar. Blocking only hides messages from the UI —
-          affected. Messages are still stored and will reappear if unblocked.
+          MQTT forwarding and bot responses are not affected. Messages are still stored and will
+          reappear if unblocked.
         </p>
 
         {blockedKeys.length === 0 && blockedNames.length === 0 ? (
-          <p className="text-sm text-muted-foreground italic">No blocked contacts</p>
+          <p className="text-sm text-muted-foreground italic">
+            No blocked contacts. Block contacts from their info pane, viewed by clicking their
+            avatar in any channel, or their name within the top status bar with the conversation
+            open.
+          </p>
         ) : (
           <div className="space-y-2">
             {blockedKeys.length > 0 && (
@@ -268,15 +354,25 @@ export function SettingsDatabaseSection({
         )}
       </div>
 
-      {error && (
+      <Separator />
-        <div className="text-sm text-destructive" role="alert">
-          {error}
-        </div>
-      )}
 
-      <Button onClick={handleSave} disabled={busy} className="w-full">
+      {/* Bulk delete */}
-        {busy ? 'Saving...' : 'Save Settings'}
+      <div className="space-y-3">
-      </Button>
+        <Label>Bulk Delete Contacts</Label>
+        <p className="text-xs text-muted-foreground">
+          Remove multiple contacts or repeaters at once. Useful for cleaning up spam or unwanted
+          nodes. Message history will be preserved.
+        </p>
+        <Button variant="outline" className="w-full" onClick={() => setBulkDeleteOpen(true)}>
+          Open Bulk Delete
+        </Button>
+        <BulkDeleteContactsModal
+          open={bulkDeleteOpen}
+          onClose={() => setBulkDeleteOpen(false)}
+          contacts={contacts}
+          onDeleted={(keys) => onBulkDeleteContacts?.(keys)}
+        />
+      </div>
     </div>
   );
 }

frontend/src/components/settings/SettingsLocalSection.tsx

@@ -347,17 +347,20 @@ function PreviewSidebarRow({
 }) {
   return (
     <div
-      className={`flex items-center gap-2 rounded-md border-l-2 px-3 py-2 text-[13px] ${
+      data-active={active ? 'true' : undefined}
+      className={`sidebar-action-row 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="sidebar-tool-icon" aria-hidden="true">
-      <span className={`min-w-0 flex-1 truncate ${active ? 'font-medium' : 'text-foreground'}`}>
+        {leading}
+      </span>
+      <span className={`sidebar-tool-label min-w-0 flex-1 truncate ${active ? 'font-medium' : ''}`}>
         {label}
       </span>
       {badge}
       {!badge && (
-        <span className="text-muted-foreground" aria-hidden="true">
+        <span className="sidebar-tool-icon" aria-hidden="true">
           <MessageSquare className="h-3.5 w-3.5" />
         </span>
       )}

frontend/src/components/settings/SettingsRadioSection.tsx

@@ -390,9 +390,9 @@ export function SettingsRadioSection({
 
   return (
     <div className={className}>
-      {/* Connection display */}
+      {/* ── Connection ── */}
       <div className="space-y-3">
-        <Label>Connection</Label>
+        <Label className="text-base">Connection</Label>
         <div className="flex items-center gap-2">
           <div
             className={`w-2 h-2 rounded-full ${
@@ -428,15 +428,58 @@ export function SettingsRadioSection({
         </p>
       </div>
 
-      {/* Radio Name */}
+      <Separator />
+
+      {/* ── Identity ── */}
+      <div className="space-y-2">
+        <Label className="text-base">Identity</Label>
+      </div>
+
       <div className="space-y-2">
         <Label htmlFor="name">Radio Name</Label>
         <Input id="name" value={name} onChange={(e) => setName(e.target.value)} />
       </div>
 
+      <div className="space-y-2">
+        <Label htmlFor="public-key">Public Key</Label>
+        <Input id="public-key" value={config.public_key} disabled className="font-mono text-xs" />
+      </div>
+
+      <div className="space-y-2">
+        <Label htmlFor="private-key">Set Private Key (write-only)</Label>
+        <Input
+          id="private-key"
+          type="password"
+          autoComplete="off"
+          value={privateKey}
+          onChange={(e) => setPrivateKey(e.target.value)}
+          placeholder="64-character hex private key"
+        />
+        <Button
+          onClick={handleSetPrivateKey}
+          disabled={identityBusy || identityRebooting || !privateKey.trim()}
+          className="w-full border-destructive/50 text-destructive hover:bg-destructive/10"
+          variant="outline"
+        >
+          {identityBusy || identityRebooting
+            ? 'Setting & Rebooting...'
+            : 'Set Private Key & Reboot'}
+        </Button>
+      </div>
+
+      {identityError && (
+        <div className="text-sm text-destructive" role="alert">
+          {identityError}
+        </div>
+      )}
+
       <Separator />
 
-      {/* Radio Config */}
+      {/* ── Radio Parameters ── */}
+      <div className="space-y-2">
+        <Label className="text-base">Radio Parameters</Label>
+      </div>
+
       <div className="space-y-2">
         <Label htmlFor="preset">Preset</Label>
         <select
@@ -518,11 +561,36 @@ export function SettingsRadioSection({
         </div>
       </div>
 
+      {config.path_hash_mode_supported && (
+        <div className="space-y-2">
+          <Label htmlFor="path-hash-mode">Path Hash Mode</Label>
+          <select
+            id="path-hash-mode"
+            value={pathHashMode}
+            onChange={(e) => setPathHashMode(e.target.value)}
+            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="0">1 byte (default)</option>
+            <option value="1">2 bytes</option>
+            <option value="2">3 bytes</option>
+          </select>
+          <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
+              recipient &mdash; must be running firmware that supports the selected mode. Messages
+              sent with 2-byte or 3-byte hops will be dropped by any node on older firmware.
+            </p>
+          </div>
+        </div>
+      )}
+
       <Separator />
 
+      {/* ── Location ── */}
       <div className="space-y-2">
         <div className="flex items-center justify-between">
-          <Label>Location</Label>
+          <Label className="text-base">Location</Label>
           <Button
             type="button"
             variant="outline"
@@ -585,53 +653,8 @@ export function SettingsRadioSection({
             library.
           </p>
         </div>
-        <div className="space-y-2">
-          <div className="flex items-start gap-3 rounded-md border border-border/60 p-3">
-            <Checkbox
-              id="multi-acks-enabled"
-              checked={multiAcksEnabled}
-              onCheckedChange={(checked) => setMultiAcksEnabled(checked === true)}
-              className="mt-0.5"
-            />
-            <div className="space-y-1">
-              <Label htmlFor="multi-acks-enabled">Extra Direct ACK Transmission</Label>
-              <p className="text-xs text-muted-foreground">
-                When enabled, the radio sends one extra direct ACK transmission before the normal
-                ACK for received direct messages. This is a firmware-level receive behavior, not a
-                RemoteTerm retry setting.
-              </p>
-            </div>
-          </div>
-        </div>
       </div>
 
-      {config.path_hash_mode_supported && (
-        <>
-          <Separator />
-          <div className="space-y-2">
-            <Label htmlFor="path-hash-mode">Path Hash Mode</Label>
-            <select
-              id="path-hash-mode"
-              value={pathHashMode}
-              onChange={(e) => setPathHashMode(e.target.value)}
-              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="0">1 byte (default)</option>
-              <option value="1">2 bytes</option>
-              <option value="2">3 bytes</option>
-            </select>
-            <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
-                recipient &mdash; must be running firmware that supports the selected mode. Messages
-                sent with 2-byte or 3-byte hops will be dropped by any node on older firmware.
-              </p>
-            </div>
-          </div>
-        </>
-      )}
-
       {error && (
         <div className="text-sm text-destructive" role="alert">
           {error}
@@ -657,64 +680,28 @@ export function SettingsRadioSection({
 
       <Separator />
 
-      {/* Keys */}
+      {/* ── Messaging ── */}
       <div className="space-y-2">
-        <Label htmlFor="public-key">Public Key</Label>
+        <Label className="text-base">Messaging</Label>
-        <Input id="public-key" value={config.public_key} disabled className="font-mono text-xs" />
       </div>
 
       <div className="space-y-2">
-        <Label htmlFor="private-key">Set Private Key (write-only)</Label>
+        <div className="flex items-start gap-3 rounded-md border border-border/60 p-3">
-        <Input
+          <Checkbox
-          id="private-key"
+            id="multi-acks-enabled"
-          type="password"
+            checked={multiAcksEnabled}
-          autoComplete="off"
+            onCheckedChange={(checked) => setMultiAcksEnabled(checked === true)}
-          value={privateKey}
+            className="mt-0.5"
-          onChange={(e) => setPrivateKey(e.target.value)}
-          placeholder="64-character hex private key"
-        />
-        <Button
-          onClick={handleSetPrivateKey}
-          disabled={identityBusy || identityRebooting || !privateKey.trim()}
-          className="w-full border-destructive/50 text-destructive hover:bg-destructive/10"
-          variant="outline"
-        >
-          {identityBusy || identityRebooting
-            ? 'Setting & Rebooting...'
-            : 'Set Private Key & Reboot'}
-        </Button>
-      </div>
-
-      {identityError && (
-        <div className="text-sm text-destructive" role="alert">
-          {identityError}
-        </div>
-      )}
-
-      <Separator />
-
-      {/* Flood & Advert Control */}
-      <div className="space-y-2">
-        <Label className="text-base">Flood & Advert Control</Label>
-      </div>
-
-      <div className="space-y-2">
-        <Label htmlFor="advert-interval">Periodic Advertising Interval</Label>
-        <div className="flex items-center gap-2">
-          <Input
-            id="advert-interval"
-            type="number"
-            min="0"
-            value={advertIntervalHours}
-            onChange={(e) => setAdvertIntervalHours(e.target.value)}
-            className="w-28"
           />
-          <span className="text-sm text-muted-foreground">hours (0 = off)</span>
+          <div className="space-y-1">
+            <Label htmlFor="multi-acks-enabled">Extra Direct ACK Transmission</Label>
+            <p className="text-xs text-muted-foreground">
+              When enabled, the radio sends one extra direct ACK transmission before the normal ACK
+              for received direct messages. This is a firmware-level receive behavior, not a
+              RemoteTerm retry setting.
+            </p>
+          </div>
         </div>
-        <p className="text-xs text-muted-foreground">
-          How often to automatically advertise presence. Set to 0 to disable. Minimum: 1 hour.
-          Recommended: 24 hours or higher.
-        </p>
       </div>
 
       <div className="space-y-2">
@@ -746,6 +733,13 @@ export function SettingsRadioSection({
           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>
+        {health?.radio_device_info?.max_contacts != null &&
+          Number(maxRadioContacts) > health.radio_device_info.max_contacts && (
+            <p className="text-xs text-warning">
+              Your radio reports a hardware limit of {health.radio_device_info.max_contacts}{' '}
+              contacts. The effective cap will be limited to what the radio supports.
+            </p>
+          )}
       </div>
 
       {floodError && (
@@ -760,8 +754,28 @@ export function SettingsRadioSection({
 
       <Separator />
 
+      {/* ── Advertising & Discovery ── */}
       <div className="space-y-2">
-        <Label className="text-base">Hear &amp; Be Heard</Label>
+        <Label className="text-base">Advertising &amp; Discovery</Label>
+      </div>
+
+      <div className="space-y-2">
+        <Label htmlFor="advert-interval">Periodic Advertising Interval</Label>
+        <div className="flex items-center gap-2">
+          <Input
+            id="advert-interval"
+            type="number"
+            min="0"
+            value={advertIntervalHours}
+            onChange={(e) => setAdvertIntervalHours(e.target.value)}
+            className="w-28"
+          />
+          <span className="text-sm text-muted-foreground">hours (0 = off)</span>
+        </div>
+        <p className="text-xs text-muted-foreground">
+          How often to automatically advertise presence. Set to 0 to disable. Minimum: 1 hour.
+          Recommended: 24 hours or higher.
+        </p>
       </div>
 
       <div className="space-y-2">

frontend/src/hooks/useContactsAndChannels.ts

@@ -4,7 +4,7 @@ import { takePrefetchOrFetch } from '../prefetch';
 import { toast } from '../components/ui/sonner';
 import { getContactDisplayName } from '../utils/pubkey';
 import { findPublicChannel, PUBLIC_CHANNEL_KEY, PUBLIC_CHANNEL_NAME } from '../utils/publicChannel';
-import type { Channel, Contact, Conversation } from '../types';
+import type { BulkCreateHashtagChannelsResult, Channel, Contact, Conversation } from '../types';
 
 interface UseContactsAndChannelsArgs {
   setActiveConversation: (conv: Conversation | null) => void;
@@ -112,6 +112,24 @@ export function useContactsAndChannels({
     [fetchUndecryptedCountInternal, setActiveConversation]
   );
 
+  const handleBulkCreateHashtagChannels = useCallback(
+    async (
+      channelNames: string[],
+      tryHistorical: boolean
+    ): Promise<BulkCreateHashtagChannelsResult> => {
+      const result = await api.bulkCreateHashtagChannels(channelNames, tryHistorical);
+      const data = await api.getChannels();
+      setChannels(data);
+
+      if (tryHistorical && result.decrypt_started) {
+        fetchUndecryptedCountInternal();
+      }
+
+      return result;
+    },
+    [fetchUndecryptedCountInternal]
+  );
+
   const handleDeleteChannel = useCallback(
     async (key: string) => {
       if (!confirm('Delete this channel? Message history will be preserved.')) return;
@@ -190,6 +208,7 @@ export function useContactsAndChannels({
     handleCreateContact,
     handleCreateChannel,
     handleCreateHashtagChannel,
+    handleBulkCreateHashtagChannels,
     handleDeleteChannel,
     handleDeleteContact,
   };

frontend/src/index.css

@@ -56,6 +56,14 @@
     --badge-mention: var(--destructive);
     --badge-mention-foreground: var(--destructive-foreground);
 
+    /* Sidebar navigation accents */
+    --sidebar-icon-color: hsl(var(--foreground));
+    --sidebar-icon-hover-color: hsl(var(--foreground));
+    --sidebar-icon-active-color: hsl(var(--foreground));
+    --sidebar-label-color: hsl(var(--muted-foreground));
+    --sidebar-label-hover-color: hsl(var(--foreground));
+    --sidebar-label-active-color: hsl(var(--foreground));
+
     /* Error toast */
     --toast-error: 0 30% 14%;
     --toast-error-foreground: 0 56% 77%;
@@ -126,6 +134,50 @@
   animation: message-highlight 2s ease-out forwards;
 }
 
+.sidebar-tool-icon {
+  display: inline-flex;
+  height: 1.5rem;
+  width: 1.5rem;
+  flex-shrink: 0;
+  align-items: center;
+  justify-content: center;
+  border-radius: 0.45rem;
+  color: var(--sidebar-icon-color);
+  opacity: 1;
+  transition:
+    color 150ms ease,
+    opacity 150ms ease;
+}
+
+.sidebar-tool-icon svg {
+  stroke-width: 2.35;
+}
+
+.sidebar-tool-label {
+  color: var(--sidebar-label-color);
+  transition: color 150ms ease;
+}
+
+.sidebar-action-row:hover .sidebar-tool-icon,
+.sidebar-action-row:focus-visible .sidebar-tool-icon {
+  color: var(--sidebar-icon-hover-color);
+  opacity: 1;
+}
+
+.sidebar-action-row:hover .sidebar-tool-label,
+.sidebar-action-row:focus-visible .sidebar-tool-label {
+  color: var(--sidebar-label-hover-color);
+}
+
+.sidebar-action-row[data-active='true'] .sidebar-tool-icon {
+  color: var(--sidebar-icon-active-color);
+  opacity: 1;
+}
+
+.sidebar-action-row[data-active='true'] .sidebar-tool-label {
+  color: var(--sidebar-label-active-color);
+}
+
 /* Constrain CodeMirror editor width */
 .cm-editor {
   max-width: 100% !important;

frontend/src/test/bulkAddChannelResultModal.test.tsx

@@ -0,0 +1,46 @@
+import { render, screen } from '@testing-library/react';
+import { describe, expect, it } from 'vitest';
+
+import { BulkAddChannelResultModal } from '../components/BulkAddChannelResultModal';
+
+describe('BulkAddChannelResultModal', () => {
+  it('renders links only for newly created rooms', () => {
+    render(
+      <BulkAddChannelResultModal
+        open
+        onClose={() => {}}
+        result={{
+          created_channels: [
+            {
+              key: 'AA'.repeat(16),
+              name: '#ops',
+              is_hashtag: true,
+              on_radio: false,
+              last_read_at: null,
+            },
+            {
+              key: 'BB'.repeat(16),
+              name: '#mesh-room',
+              is_hashtag: true,
+              on_radio: false,
+              last_read_at: null,
+            },
+          ],
+          existing_count: 3,
+          invalid_names: ['bad_room'],
+          decrypt_started: true,
+          decrypt_total_packets: 8,
+          message: 'Created 2 rooms',
+        }}
+      />
+    );
+
+    const opsLink = screen.getByRole('link', { name: '#ops' });
+    const meshLink = screen.getByRole('link', { name: '#mesh-room' });
+
+    expect(opsLink.getAttribute('href')).toContain('#channel/');
+    expect(meshLink.getAttribute('href')).toContain('#channel/');
+    expect(screen.queryByRole('link', { name: /bad_room/i })).toBeNull();
+    expect(screen.getByText(/Ignored invalid room names: bad_room/)).toBeTruthy();
+  });
+});

frontend/src/test/messageList.test.tsx

@@ -169,6 +169,32 @@ describe('MessageList channel sender rendering', () => {
     expect(onChannelReferenceClick).toHaveBeenCalledWith('#mesh-room');
   });
 
+  it('links valid channel references when followed by clause punctuation', async () => {
+    const user = userEvent.setup();
+    const onChannelReferenceClick = vi.fn();
+
+    render(
+      <MessageList
+        messages={[
+          createMessage({
+            text: 'Alice: Check #mesh-room, then #ops-room; then #alpha-room.',
+          }),
+        ]}
+        contacts={[]}
+        loading={false}
+        onChannelReferenceClick={onChannelReferenceClick}
+      />
+    );
+
+    await user.click(screen.getByRole('button', { name: '#mesh-room' }));
+    await user.click(screen.getByRole('button', { name: '#ops-room' }));
+    await user.click(screen.getByRole('button', { name: '#alpha-room' }));
+
+    expect(onChannelReferenceClick).toHaveBeenNthCalledWith(1, '#mesh-room');
+    expect(onChannelReferenceClick).toHaveBeenNthCalledWith(2, '#ops-room');
+    expect(onChannelReferenceClick).toHaveBeenNthCalledWith(3, '#alpha-room');
+  });
+
   it('links valid channel references in direct messages too', async () => {
     const user = userEvent.setup();
     const onChannelReferenceClick = vi.fn();

frontend/src/test/messageParser.test.ts

@@ -122,11 +122,21 @@ describe('linked channel references', () => {
     ]);
   });
 
-  it('ignores invalid or embedded channel-like text', () => {
+  it('finds linked channel references terminated by clause punctuation', () => {
     expect(
-      findLinkedChannelReferences(
+      findLinkedChannelReferences('Join #mesh-room, then #ops2; finally #alpha-room.')
-        'skip #Bad #bad--name abc#ops #ops- #opsRoom #ops_room #good-room,'
+    ).toEqual([
-      )
+      { label: '#mesh-room', start: 5, end: 15 },
-    ).toEqual([]);
+      { label: '#ops2', start: 22, end: 27 },
+      { label: '#alpha-room', start: 37, end: 48 },
+    ]);
+  });
+
+  it('ignores invalid or embedded channel-like text', () => {
+    const references = findLinkedChannelReferences(
+      'skip #Bad #bad--name abc#ops #ops- #opsRoom #ops_room #good-room,'
+    );
+
+    expect(references.map((reference) => reference.label)).toEqual(['#good-room']);
   });
 });

frontend/src/test/newMessageModal.test.tsx

@@ -27,6 +27,7 @@ describe('NewMessageModal form reset', () => {
   const onCreateContact = vi.fn().mockResolvedValue(undefined);
   const onCreateChannel = vi.fn().mockResolvedValue(undefined);
   const onCreateHashtagChannel = vi.fn().mockResolvedValue(undefined);
+  const onBulkAddHashtagChannels = vi.fn().mockResolvedValue(undefined);
 
   beforeEach(() => {
     vi.clearAllMocks();
@@ -44,6 +45,7 @@ describe('NewMessageModal form reset', () => {
         onCreateContact={onCreateContact}
         onCreateChannel={onCreateChannel}
         onCreateHashtagChannel={onCreateHashtagChannel}
+        onBulkAddHashtagChannels={onBulkAddHashtagChannels}
         {...overrides}
       />
     );
@@ -111,6 +113,53 @@ describe('NewMessageModal form reset', () => {
     });
   });
 
+  describe('bulk hashtag tab', () => {
+    it('is only visible when enabled', () => {
+      renderModal();
+      expect(screen.queryByRole('tab', { name: 'Bulk Add Channel' })).toBeNull();
+    });
+
+    it('opens on the bulk tab when enabled and submits normalized room names', async () => {
+      const user = userEvent.setup();
+      renderModal(true, { showBulkAddChannelTab: true });
+
+      await waitFor(() => {
+        expect(screen.getByRole('tab', { name: 'Bulk Add Channel' })).toHaveAttribute(
+          'data-state',
+          'active'
+        );
+      });
+
+      await user.type(
+        screen.getByRole('textbox', { name: 'Bulk channel names' }),
+        '#Ops{enter}mesh-room another-room #Ops'
+      );
+      await user.click(screen.getByRole('button', { name: 'Add Channels' }));
+
+      await waitFor(() => {
+        expect(onBulkAddHashtagChannels).toHaveBeenCalledWith(
+          ['#ops', '#mesh-room', '#another-room'],
+          false
+        );
+      });
+      expect(onClose).toHaveBeenCalled();
+    });
+
+    it('shows invalid bulk room names before submitting', async () => {
+      const user = userEvent.setup();
+      renderModal(true, { showBulkAddChannelTab: true });
+
+      await user.type(
+        screen.getByRole('textbox', { name: 'Bulk channel names' }),
+        'good-room bad_room'
+      );
+      await user.click(screen.getByRole('button', { name: 'Add Channels' }));
+
+      expect(onBulkAddHashtagChannels).not.toHaveBeenCalled();
+      expect(screen.getByText('Invalid room names: bad_room')).toBeTruthy();
+    });
+  });
+
   describe('new-contact tab', () => {
     it('clears name and key after successful Create', async () => {
       const user = userEvent.setup();

frontend/src/test/repeaterDashboard.test.tsx

@@ -51,6 +51,14 @@ vi.mock('../hooks/useRepeaterDashboard', () => ({
   useRepeaterDashboard: () => mockHook,
 }));
 
+// Mock api module (TelemetryHistoryPane fetches on mount)
+vi.mock('../api', () => ({
+  api: {
+    repeaterTelemetryHistory: vi.fn().mockResolvedValue([]),
+    setContactRoutingOverride: vi.fn().mockResolvedValue({ status: 'ok' }),
+  },
+}));
+
 // Mock sonner toast
 vi.mock('../components/ui/sonner', () => ({
   toast: {
@@ -418,6 +426,7 @@ describe('RepeaterDashboard', () => {
       flood_dups: 1,
       direct_dups: 0,
       full_events: 0,
+      telemetry_history: [],
     };
 
     render(<RepeaterDashboard {...defaultProps} />);
@@ -634,4 +643,61 @@ describe('RepeaterDashboard', () => {
       overrideSpy.mockRestore();
     });
   });
+
+  describe('telemetry history', () => {
+    it('loads telemetry history on mount when logged in', async () => {
+      const { api } = await import('../api');
+      mockHook.loggedIn = true;
+
+      render(<RepeaterDashboard {...defaultProps} />);
+
+      await waitFor(() => {
+        expect(api.repeaterTelemetryHistory).toHaveBeenCalledWith(REPEATER_KEY);
+      });
+    });
+
+    it('shows telemetry history pane in logged-in view even before status fetch', () => {
+      mockHook.loggedIn = true;
+
+      render(<RepeaterDashboard {...defaultProps} />);
+
+      expect(screen.getByText('Telemetry History')).toBeInTheDocument();
+      expect(screen.getByText('0 samples')).toBeInTheDocument();
+    });
+
+    it('updates history from live status fetch', async () => {
+      const { api } = await import('../api');
+      const historySpy = vi.mocked(api.repeaterTelemetryHistory);
+      const liveEntry = { timestamp: 1700000000, data: { battery_volts: 4.2 } };
+      historySpy.mockResolvedValue([]);
+
+      mockHook.loggedIn = true;
+      mockHook.paneData.status = {
+        battery_volts: 4.2,
+        tx_queue_len: 0,
+        noise_floor_dbm: -120,
+        last_rssi_dbm: -85,
+        last_snr_db: 7.5,
+        packets_received: 100,
+        packets_sent: 50,
+        airtime_seconds: 600,
+        rx_airtime_seconds: 1200,
+        uptime_seconds: 86400,
+        sent_flood: 10,
+        sent_direct: 40,
+        recv_flood: 30,
+        recv_direct: 70,
+        flood_dups: 1,
+        direct_dups: 0,
+        full_events: 0,
+        telemetry_history: [liveEntry],
+      };
+
+      render(<RepeaterDashboard {...defaultProps} />);
+
+      await waitFor(() => {
+        expect(screen.getByText('1 samples')).toBeInTheDocument();
+      });
+    });
+  });
 });

frontend/src/test/settingsModal.test.tsx

@@ -69,6 +69,7 @@ const baseSettings: AppSettings = {
   flood_scope: '',
   blocked_keys: [],
   blocked_names: [],
+  discovery_blocked_types: [],
 };
 
 function renderModal(overrides?: {
@@ -615,10 +616,10 @@ describe('SettingsModal', () => {
     openDatabaseSection();
 
     expect(
-      screen.getByText(/remove packet-analysis availability for those historical messages/i)
+      screen.getByText(/removes packet-analysis availability for those messages/i)
     ).toBeInTheDocument();
 
-    fireEvent.click(screen.getByRole('button', { name: 'Purge Archival Raw Packets' }));
+    fireEvent.click(screen.getByRole('button', { name: 'Purge Archival Packets' }));
 
     await waitFor(() => {
       expect(runMaintenanceSpy).toHaveBeenCalledWith({ purgeLinkedRawPackets: true });

frontend/src/test/useContactsAndChannels.test.ts

@@ -9,7 +9,7 @@ import { act, renderHook } from '@testing-library/react';
 import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
 
 import { useContactsAndChannels } from '../hooks/useContactsAndChannels';
-import type { Contact } from '../types';
+import type { BulkCreateHashtagChannelsResult, Contact } from '../types';
 
 // Mock api module
 vi.mock('../api', () => ({
@@ -18,6 +18,7 @@ vi.mock('../api', () => ({
     getChannels: vi.fn(),
     createContact: vi.fn(),
     createChannel: vi.fn(),
+    bulkCreateHashtagChannels: vi.fn(),
     deleteContact: vi.fn(),
     deleteChannel: vi.fn(),
     decryptHistoricalPackets: vi.fn(),
@@ -171,4 +172,41 @@ describe('useContactsAndChannels', () => {
       expect(api.getContacts).toHaveBeenCalledTimes(2);
     });
   });
+
+  describe('bulk hashtag creation', () => {
+    it('refreshes channels and returns the backend result', async () => {
+      const { api } = await import('../api');
+      const resultPayload: BulkCreateHashtagChannelsResult = {
+        created_channels: [
+          {
+            key: 'AA'.repeat(16),
+            name: '#ops',
+            is_hashtag: true,
+            on_radio: false,
+            last_read_at: null,
+          },
+        ],
+        existing_count: 1,
+        invalid_names: [],
+        decrypt_started: true,
+        decrypt_total_packets: 12,
+        message: 'Created 1 room',
+      };
+      vi.mocked(api.bulkCreateHashtagChannels).mockResolvedValueOnce(resultPayload);
+      vi.mocked(api.getChannels).mockResolvedValueOnce(resultPayload.created_channels);
+      vi.mocked(api.getUndecryptedPacketCount).mockResolvedValueOnce({ count: 9 });
+
+      const { result } = renderUseContactsAndChannels();
+
+      let response: BulkCreateHashtagChannelsResult | null = null;
+      await act(async () => {
+        response = await result.current.handleBulkCreateHashtagChannels(['#ops'], true);
+      });
+
+      expect(api.bulkCreateHashtagChannels).toHaveBeenCalledWith(['#ops'], true);
+      expect(api.getChannels).toHaveBeenCalled();
+      expect(api.getUndecryptedPacketCount).toHaveBeenCalled();
+      expect(response).toEqual(resultPayload);
+    });
+  });
 });

frontend/src/themes.css

@@ -49,10 +49,6 @@
   --overlay: 220 20% 10%;
 }
 
-:root[data-theme='light'] .sidebar-tool-label {
-  color: hsl(var(--foreground));
-}
-
 /* ── Windows 95 ───────────────────────────────────────────── */
 :root[data-theme='windows-95'] {
   --background: 180 100% 25%;

frontend/src/types.ts

@@ -243,6 +243,15 @@ export interface ChannelDetail {
   top_senders_24h: ChannelTopSender[];
 }
 
+export interface BulkCreateHashtagChannelsResult {
+  created_channels: Channel[];
+  existing_count: number;
+  invalid_names: string[];
+  decrypt_started: boolean;
+  decrypt_total_packets: number;
+  message: string;
+}
+
 /** A single path that a message took to reach us */
 export interface MessagePath {
   /** Hex-encoded routing path */
@@ -332,6 +341,7 @@ export interface AppSettings {
   flood_scope: string;
   blocked_keys: string[];
   blocked_names: string[];
+  discovery_blocked_types: number[];
 }
 
 export interface AppSettingsUpdate {
@@ -342,6 +352,7 @@ export interface AppSettingsUpdate {
   flood_scope?: string;
   blocked_keys?: string[];
   blocked_names?: string[];
+  discovery_blocked_types?: number[];
 }
 
 export interface MigratePreferencesRequest {
@@ -405,6 +416,12 @@ export interface RepeaterStatusResponse {
   flood_dups: number;
   direct_dups: number;
   full_events: number;
+  telemetry_history: TelemetryHistoryEntry[];
+}
+
+export interface TelemetryHistoryEntry {
+  timestamp: number;
+  data: Record<string, number>;
 }
 
 export interface RepeaterNeighborsResponse {

frontend/src/utils/messageParser.ts

@@ -3,7 +3,7 @@
  * Channel messages have format "sender: message".
  */
 const HASHTAG_CHANNEL_NAME_PATTERN = /^[a-z0-9]+(?:-[a-z0-9]+)*$/;
-const HASHTAG_CHANNEL_REFERENCE_PATTERN = /(^|\s)(#[a-z0-9]+(?:-[a-z0-9]+)*)(?=$|\s)/g;
+const HASHTAG_CHANNEL_REFERENCE_PATTERN = /(^|\s)(#[a-z0-9]+(?:-[a-z0-9]+)*)(?=$|[\s.,;:])/g;
 
 export function parseSenderFromText(text: string): { sender: string | null; content: string } {
   const colonIndex = text.indexOf(': ');

frontend/src/utils/urlHash.ts

@@ -147,7 +147,7 @@ export function getMapFocusHash(publicKeyPrefix: string): string {
 }
 
 // Generate URL hash from conversation
-function getConversationHash(conv: Conversation | null): string {
+export function getConversationHash(conv: Conversation | null): string {
   if (!conv) return '';
   if (conv.type === 'raw') return '#raw';
   if (conv.type === 'map') return '#map';

scripts/quality/all_quality.sh

@@ -26,7 +26,7 @@ echo -e "${YELLOW}=== Phase 1: Lint & Format ===${NC}"
 echo -ne "${BLUE}[backend lint]${NC} "
 cd "$REPO_ROOT"
 uv run ruff check app/ tests/ --fix --quiet
-uv run ruff format app/ tests/ --check --quiet
+uv run ruff format app/ tests/ --quiet
 echo -e "${GREEN}Passed!${NC}"
 
 echo -ne "${BLUE}[frontend lint]${NC} "

tests/test_api.py

@@ -131,6 +131,62 @@ class TestHealthEndpoint:
 class TestDebugEndpoint:
     """Test the debug support snapshot endpoint."""
 
+    def test_support_snapshot_sanitizes_radio_probe_location_fields(self):
+        """Debug radio probe should redact advertised lat/lon from self_info."""
+        from app.routers.debug import _sanitize_radio_probe_self_info
+
+        sanitized = _sanitize_radio_probe_self_info(
+            {
+                "name": "FlightlessTestNode",
+                "adv_lat": 47.786445,
+                "adv_lon": -122.344011,
+                "radio_freq": 910.525,
+            }
+        )
+
+        assert sanitized == {
+            "name": "FlightlessTestNode",
+            "radio_freq": 910.525,
+        }
+
+    def test_support_snapshot_only_keeps_erroring_fanouts_in_health_summary(self):
+        """Debug health summary should only include fanouts with non-empty last_error."""
+        from app.routers.debug import _build_debug_health_summary
+        from app.routers.health import FanoutStatusResponse
+
+        summary = _build_debug_health_summary(
+            {
+                "database_size_mb": 1.23,
+                "oldest_undecrypted_timestamp": 123,
+                "fanout_statuses": {
+                    "ok-id": {
+                        "name": "OK Fanout",
+                        "type": "bot",
+                        "status": "connected",
+                        "last_error": None,
+                    },
+                    "err-id": {
+                        "name": "Broken Fanout",
+                        "type": "mqtt_private",
+                        "status": "error",
+                        "last_error": "broker down",
+                    },
+                },
+                "bots_disabled_source": None,
+                "basic_auth_enabled": False,
+            },
+            radio_state="connected",
+        )
+
+        assert summary.fanouts_with_errors == {
+            "err-id": FanoutStatusResponse(
+                name="Broken Fanout",
+                type="mqtt_private",
+                status="error",
+                last_error="broker down",
+            )
+        }
+
     @pytest.mark.asyncio
     async def test_support_snapshot_returns_runtime_when_disconnected(self, test_db, client):
         """Debug snapshot should still return logs and runtime state when radio is disconnected."""
@@ -157,8 +213,21 @@ class TestDebugEndpoint:
 
         assert response.status_code == 200
         payload = response.json()
+        assert "app_info" not in payload["health"]
+        assert "bots_disabled" not in payload["health"]
+        assert "connection_info" not in payload["health"]
+        assert "fanout_statuses" not in payload["health"]
+        assert "radio_connected" not in payload["health"]
+        assert "radio_device_info" not in payload["health"]
+        assert "radio_initializing" not in payload["health"]
+        assert "status" not in payload["health"]
+        assert payload["health"]["fanouts_with_errors"] == {}
+        assert payload["health"]["radio_state"] == "disconnected"
         assert payload["radio_probe"]["performed"] is False
         assert payload["radio_probe"]["errors"] == ["Radio not connected"]
+        assert "multi_acks_enabled" not in payload["radio_probe"]
+        assert "max_channels" not in payload["runtime"]
+        assert "path_hash_mode" not in payload["runtime"]
         assert payload["runtime"]["channels_with_incoming_messages"] == 0
         assert payload["database"]["total_dms"] == 0
         assert payload["database"]["total_channel_messages"] == 0
@@ -213,6 +282,47 @@ class TestDebugEndpoint:
 
         assert response.status_code == 200
 
+    @pytest.mark.asyncio
+    async def test_support_snapshot_includes_persisted_app_settings(self, test_db, client):
+        """Debug snapshot should expose the stored app settings row."""
+        pub_key = "ab" * 32
+        await _insert_contact(pub_key, "Alice")
+
+        response = await client.patch(
+            "/api/settings",
+            json={
+                "max_radio_contacts": 321,
+                "auto_decrypt_dm_on_advert": True,
+                "sidebar_sort_order": "alpha",
+                "advert_interval": 7200,
+                "flood_scope": "US-CA",
+                "blocked_keys": [pub_key],
+                "blocked_names": ["Mallory"],
+            },
+        )
+        assert response.status_code == 200
+
+        response = await client.post(
+            "/api/settings/favorites/toggle",
+            json={"type": "contact", "id": pub_key},
+        )
+        assert response.status_code == 200
+
+        response = await client.get("/api/debug")
+
+        assert response.status_code == 200
+        payload = response.json()
+        assert payload["settings"]["max_radio_contacts"] == 321
+        assert payload["settings"]["auto_decrypt_dm_on_advert"] is True
+        assert payload["settings"]["advert_interval"] == 7200
+        assert payload["settings"]["flood_scope"] == "#US-CA"
+        assert payload["settings"]["blocked_keys_count"] == 1
+        assert payload["settings"]["blocked_names_count"] == 1
+        assert "favorites" not in payload["settings"]
+        assert "blocked_keys" not in payload["settings"]
+        assert "blocked_names" not in payload["settings"]
+        assert "sidebar_sort_order" not in payload["settings"]
+
 
 class TestRadioDisconnectedHandler:
     """Test that RadioDisconnectedError maps to 503."""
@@ -1057,7 +1167,14 @@ class TestRawPacketRepository:
         await RawPacketRepository.create(b"\x04\x05\x06", recent_timestamp)
         # Insert old but decrypted packet (should NOT be deleted)
         old_id, _ = await RawPacketRepository.create(b"\x07\x08\x09", old_timestamp)
-        await RawPacketRepository.mark_decrypted(old_id, 1)
+        msg_id = await MessageRepository.create(
+            msg_type="PRIV",
+            conversation_key="test_key",
+            text="test",
+            sender_timestamp=old_timestamp,
+            received_at=old_timestamp,
+        )
+        await RawPacketRepository.mark_decrypted(old_id, msg_id)
 
         # Prune packets older than 10 days
         deleted = await RawPacketRepository.prune_old_undecrypted(10)
@@ -1081,10 +1198,24 @@ class TestRawPacketRepository:
     async def test_purge_linked_to_messages_deletes_only_linked_packets(self, test_db):
         """Purge linked raw packets removes only rows with a message_id."""
         ts = int(time.time())
+        msg_id_1 = await MessageRepository.create(
+            msg_type="PRIV",
+            conversation_key="k1",
+            text="t1",
+            sender_timestamp=ts,
+            received_at=ts,
+        )
+        msg_id_2 = await MessageRepository.create(
+            msg_type="PRIV",
+            conversation_key="k2",
+            text="t2",
+            sender_timestamp=ts,
+            received_at=ts,
+        )
         linked_1, _ = await RawPacketRepository.create(b"\x01\x02\x03", ts)
         linked_2, _ = await RawPacketRepository.create(b"\x04\x05\x06", ts)
-        await RawPacketRepository.mark_decrypted(linked_1, 101)
+        await RawPacketRepository.mark_decrypted(linked_1, msg_id_1)
-        await RawPacketRepository.mark_decrypted(linked_2, 102)
+        await RawPacketRepository.mark_decrypted(linked_2, msg_id_2)
 
         await RawPacketRepository.create(b"\x07\x08\x09", ts)  # undecrypted, should remain
 
@@ -1122,10 +1253,24 @@ class TestMaintenanceEndpoint:
         from app.routers.packets import MaintenanceRequest, run_maintenance
 
         ts = int(time.time())
+        msg_id_1 = await MessageRepository.create(
+            msg_type="PRIV",
+            conversation_key="k1",
+            text="t1",
+            sender_timestamp=ts,
+            received_at=ts,
+        )
+        msg_id_2 = await MessageRepository.create(
+            msg_type="PRIV",
+            conversation_key="k2",
+            text="t2",
+            sender_timestamp=ts,
+            received_at=ts,
+        )
         linked_1, _ = await RawPacketRepository.create(b"\x0a\x0b\x0c", ts)
         linked_2, _ = await RawPacketRepository.create(b"\x0d\x0e\x0f", ts)
-        await RawPacketRepository.mark_decrypted(linked_1, 201)
+        await RawPacketRepository.mark_decrypted(linked_1, msg_id_1)
-        await RawPacketRepository.mark_decrypted(linked_2, 202)
+        await RawPacketRepository.mark_decrypted(linked_2, msg_id_2)
 
         request = MaintenanceRequest(purge_linked_raw_packets=True)
         result = await run_maintenance(request)

tests/test_channels_router.py

@@ -1,7 +1,8 @@
 """Tests for the channels router endpoints."""
 
 import time
-from unittest.mock import patch
+from hashlib import sha256
+from unittest.mock import AsyncMock, patch
 
 import pytest
 
@@ -77,6 +78,55 @@ class TestCreateChannel:
         assert channel is not None
         assert channel.flood_scope_override is None
 
+    @pytest.mark.asyncio
+    async def test_bulk_hashtag_create_adds_only_new_rooms(self, test_db, client):
+        ops_key = sha256(b"#ops").digest()[:16].hex().upper()
+        await ChannelRepository.upsert(key=ops_key, name="#ops", is_hashtag=True)
+
+        response = await client.post(
+            "/api/channels/bulk-hashtag",
+            json={
+                "channel_names": ["#ops", "mesh-room", "bad_room", "mesh-room", "another-room"],
+                "try_historical": False,
+            },
+        )
+
+        assert response.status_code == 200
+        data = response.json()
+        assert [channel["name"] for channel in data["created_channels"]] == [
+            "#mesh-room",
+            "#another-room",
+        ]
+        assert data["existing_count"] == 2
+        assert data["invalid_names"] == ["bad_room"]
+        assert data["decrypt_started"] is False
+
+    @pytest.mark.asyncio
+    async def test_bulk_hashtag_create_can_start_one_decrypt_job(self, test_db, client):
+        with (
+            patch(
+                "app.routers.channels.RawPacketRepository.get_undecrypted_count",
+                new=AsyncMock(return_value=7),
+            ),
+            patch(
+                "app.routers.channels._run_historical_channel_decryption_for_channels",
+                new=AsyncMock(),
+            ) as mock_decrypt,
+        ):
+            response = await client.post(
+                "/api/channels/bulk-hashtag",
+                json={
+                    "channel_names": ["ops", "mesh-room"],
+                    "try_historical": True,
+                },
+            )
+
+        assert response.status_code == 202
+        data = response.json()
+        assert data["decrypt_started"] is True
+        assert data["decrypt_total_packets"] == 7
+        mock_decrypt.assert_awaited_once()
+
 
 class TestPublicChannelProtection:
     @pytest.mark.asyncio

tests/test_migrations.py

@@ -513,7 +513,9 @@ class TestMigration018:
             from hashlib import sha256
 
             assert bytes(rows[0]["payload_hash"]) == sha256(b"hash_a").digest()
-            assert rows[1]["message_id"] == 42
+            # message_id=42 was orphaned (no matching messages row), so
+            # migration 49's orphan cleanup NULLs it out.
+            assert rows[1]["message_id"] is None
 
             # Verify payload_hash unique index still works
             cursor = await conn.execute(
@@ -1247,8 +1249,8 @@ class TestMigration039:
 
             applied = await run_migrations(conn)
 
-            assert applied == 9
+            assert applied == 12
-            assert await get_version(conn) == 47
+            assert await get_version(conn) == 50
 
             cursor = await conn.execute(
                 """
@@ -1319,8 +1321,8 @@ class TestMigration039:
 
             applied = await run_migrations(conn)
 
-            assert applied == 9
+            assert applied == 12
-            assert await get_version(conn) == 47
+            assert await get_version(conn) == 50
 
             cursor = await conn.execute(
                 """
@@ -1386,8 +1388,8 @@ class TestMigration039:
 
             applied = await run_migrations(conn)
 
-            assert applied == 3
+            assert applied == 6
-            assert await get_version(conn) == 47
+            assert await get_version(conn) == 50
 
             cursor = await conn.execute(
                 """
@@ -1439,8 +1441,8 @@ class TestMigration040:
 
             applied = await run_migrations(conn)
 
-            assert applied == 8
+            assert applied == 11
-            assert await get_version(conn) == 47
+            assert await get_version(conn) == 50
 
             await conn.execute(
                 """
@@ -1501,8 +1503,8 @@ class TestMigration041:
 
             applied = await run_migrations(conn)
 
-            assert applied == 7
+            assert applied == 10
-            assert await get_version(conn) == 47
+            assert await get_version(conn) == 50
 
             await conn.execute(
                 """
@@ -1554,8 +1556,8 @@ class TestMigration042:
 
             applied = await run_migrations(conn)
 
-            assert applied == 6
+            assert applied == 9
-            assert await get_version(conn) == 47
+            assert await get_version(conn) == 50
 
             await conn.execute(
                 """
@@ -1694,8 +1696,8 @@ class TestMigration046:
 
             applied = await run_migrations(conn)
 
-            assert applied == 2
+            assert applied == 5
-            assert await get_version(conn) == 47
+            assert await get_version(conn) == 50
 
             cursor = await conn.execute(
                 """
@@ -1788,8 +1790,8 @@ class TestMigration047:
 
             applied = await run_migrations(conn)
 
-            assert applied == 1
+            assert applied == 4
-            assert await get_version(conn) == 47
+            assert await get_version(conn) == 50
 
             cursor = await conn.execute(
                 """

tests/test_radio_router.py

@@ -381,6 +381,11 @@ class TestDiscoverMesh:
                 new_callable=AsyncMock,
                 return_value=[],
             ),
+            patch(
+                "app.routers.radio.reconcile_contact_messages",
+                new_callable=AsyncMock,
+                return_value=(0, 0),
+            ),
             patch("app.routers.radio.broadcast_event"),
         ):
             response = await discover_mesh(RadioDiscoveryRequest(target="repeaters"))
@@ -454,6 +459,11 @@ class TestDiscoverMesh:
                 new_callable=AsyncMock,
                 return_value=[],
             ) as mock_promote,
+            patch(
+                "app.routers.radio.reconcile_contact_messages",
+                new_callable=AsyncMock,
+                return_value=(0, 0),
+            ),
             patch("app.routers.radio.broadcast_event") as mock_broadcast,
         ):
             response = await discover_mesh(RadioDiscoveryRequest(target="repeaters"))
@@ -779,6 +789,11 @@ class TestTracePath:
                 new_callable=AsyncMock,
                 return_value=[],
             ),
+            patch(
+                "app.routers.radio.reconcile_contact_messages",
+                new_callable=AsyncMock,
+                return_value=(0, 0),
+            ),
             patch("app.routers.radio.broadcast_event"),
         ):
             response = await discover_mesh(RadioDiscoveryRequest(target="all"))

tests/test_radio_sync.py

@@ -884,6 +884,11 @@ class TestSyncAndOffloadContacts:
             return task
 
         with (
+            patch(
+                "app.radio_sync.promote_prefix_contacts_for_contact",
+                new_callable=AsyncMock,
+                return_value=[],
+            ),
             patch("app.radio_sync.reconcile_contact_messages", side_effect=_slow_reconcile),
             patch("app.radio_sync.asyncio.create_task", side_effect=_capture_task),
         ):

tests/test_repeater_telemetry.py

@@ -0,0 +1,189 @@
+"""Tests for repeater telemetry history: repository CRUD and read-only endpoint."""
+
+import time
+
+import pytest
+
+from app.models import CONTACT_TYPE_REPEATER
+from app.repository import (
+    ContactRepository,
+    RepeaterTelemetryRepository,
+)
+
+KEY_A = "aa" * 32
+KEY_B = "bb" * 32
+
+SAMPLE_STATUS = {
+    "battery_volts": 4.15,
+    "tx_queue_len": 0,
+    "noise_floor_dbm": -100,
+    "last_rssi_dbm": -80,
+    "last_snr_db": 5.0,
+    "packets_received": 100,
+    "packets_sent": 50,
+    "airtime_seconds": 300,
+    "rx_airtime_seconds": 200,
+    "uptime_seconds": 1000,
+    "sent_flood": 10,
+    "sent_direct": 40,
+    "recv_flood": 60,
+    "recv_direct": 40,
+    "flood_dups": 5,
+    "direct_dups": 2,
+    "full_events": 0,
+}
+
+
+async def _insert_repeater(public_key: str, name: str = "Repeater"):
+    """Insert a repeater contact into the test database."""
+    await ContactRepository.upsert(
+        {
+            "public_key": public_key,
+            "name": name,
+            "type": CONTACT_TYPE_REPEATER,
+            "flags": 0,
+            "direct_path": None,
+            "direct_path_len": -1,
+            "direct_path_hash_mode": -1,
+            "last_advert": None,
+            "lat": None,
+            "lon": None,
+            "last_seen": None,
+            "on_radio": False,
+            "last_contacted": None,
+            "first_seen": None,
+        }
+    )
+
+
+@pytest.fixture
+async def _db(test_db):
+    """Set up test DB and patch the repeater_telemetry module's db reference."""
+    from app.repository import repeater_telemetry
+
+    original = repeater_telemetry.db
+    repeater_telemetry.db = test_db
+    try:
+        yield test_db
+    finally:
+        repeater_telemetry.db = original
+
+
+class TestRepeaterTelemetryRepository:
+    """Tests for RepeaterTelemetryRepository CRUD operations with JSON blob storage."""
+
+    @pytest.mark.asyncio
+    async def test_record_and_get_history(self, _db):
+        await _insert_repeater(KEY_A)
+        now = int(time.time())
+
+        await RepeaterTelemetryRepository.record(
+            public_key=KEY_A,
+            timestamp=now - 3600,
+            data={**SAMPLE_STATUS, "battery_volts": 4.15},
+        )
+        await RepeaterTelemetryRepository.record(
+            public_key=KEY_A,
+            timestamp=now,
+            data={**SAMPLE_STATUS, "battery_volts": 4.10},
+        )
+
+        history = await RepeaterTelemetryRepository.get_history(KEY_A, now - 7200)
+        assert len(history) == 2
+        assert history[0]["data"]["battery_volts"] == 4.15
+        assert history[1]["data"]["battery_volts"] == 4.10
+        assert history[0]["timestamp"] < history[1]["timestamp"]
+
+    @pytest.mark.asyncio
+    async def test_get_history_filters_by_time(self, _db):
+        await _insert_repeater(KEY_A)
+        now = int(time.time())
+
+        await RepeaterTelemetryRepository.record(KEY_A, now - 7200, SAMPLE_STATUS)
+        await RepeaterTelemetryRepository.record(KEY_A, now - 3600, SAMPLE_STATUS)
+        await RepeaterTelemetryRepository.record(KEY_A, now, SAMPLE_STATUS)
+
+        history = await RepeaterTelemetryRepository.get_history(KEY_A, now - 3601)
+        assert len(history) == 2
+
+    @pytest.mark.asyncio
+    async def test_get_history_isolates_by_key(self, _db):
+        await _insert_repeater(KEY_A)
+        await _insert_repeater(KEY_B)
+        now = int(time.time())
+
+        await RepeaterTelemetryRepository.record(
+            KEY_A, now, {**SAMPLE_STATUS, "battery_volts": 4.1}
+        )
+        await RepeaterTelemetryRepository.record(
+            KEY_B, now, {**SAMPLE_STATUS, "battery_volts": 3.9}
+        )
+
+        history_a = await RepeaterTelemetryRepository.get_history(KEY_A, 0)
+        history_b = await RepeaterTelemetryRepository.get_history(KEY_B, 0)
+        assert len(history_a) == 1
+        assert len(history_b) == 1
+        assert history_a[0]["data"]["battery_volts"] == 4.1
+
+    @pytest.mark.asyncio
+    async def test_data_stored_as_json(self, _db):
+        """Verify the data column stores valid JSON that round-trips correctly."""
+        await _insert_repeater(KEY_A)
+        now = int(time.time())
+
+        await RepeaterTelemetryRepository.record(KEY_A, now, SAMPLE_STATUS)
+        history = await RepeaterTelemetryRepository.get_history(KEY_A, 0)
+        assert len(history) == 1
+        assert history[0]["data"] == SAMPLE_STATUS
+
+
+class TestTelemetryHistoryEndpoint:
+    """Tests for the read-only GET telemetry-history endpoint."""
+
+    @pytest.mark.asyncio
+    async def test_returns_history_for_repeater(self, _db, client):
+        await _insert_repeater(KEY_A)
+        now = int(time.time())
+        await RepeaterTelemetryRepository.record(KEY_A, now, SAMPLE_STATUS)
+
+        resp = await client.get(f"/api/contacts/{KEY_A}/repeater/telemetry-history")
+        assert resp.status_code == 200
+        data = resp.json()
+        assert len(data) == 1
+        assert data[0]["data"]["battery_volts"] == 4.15
+
+    @pytest.mark.asyncio
+    async def test_returns_empty_list_when_no_history(self, _db, client):
+        await _insert_repeater(KEY_A)
+
+        resp = await client.get(f"/api/contacts/{KEY_A}/repeater/telemetry-history")
+        assert resp.status_code == 200
+        assert resp.json() == []
+
+    @pytest.mark.asyncio
+    async def test_rejects_non_repeater(self, _db, client):
+        await ContactRepository.upsert(
+            {
+                "public_key": KEY_A,
+                "name": "Node",
+                "type": 0,
+                "flags": 0,
+                "direct_path": None,
+                "direct_path_len": -1,
+                "direct_path_hash_mode": -1,
+                "last_advert": None,
+                "lat": None,
+                "lon": None,
+                "last_seen": None,
+                "on_radio": False,
+                "last_contacted": None,
+                "first_seen": None,
+            }
+        )
+        resp = await client.get(f"/api/contacts/{KEY_A}/repeater/telemetry-history")
+        assert resp.status_code == 400
+
+    @pytest.mark.asyncio
+    async def test_returns_404_for_unknown_contact(self, _db, client):
+        resp = await client.get(f"/api/contacts/{KEY_A}/repeater/telemetry-history")
+        assert resp.status_code == 404

tests/test_repository.py

@@ -630,6 +630,7 @@ class TestAppSettingsRepository:
                 "flood_scope": "",
                 "blocked_keys": "[]",
                 "blocked_names": "[]",
+                "discovery_blocked_types": "[]",
             }
         )
         mock_conn.execute = AsyncMock(return_value=mock_cursor)