Remove Apprise duplicate names. Closes #88.

app/fanout/AGENTS_fanout.md

@@ -65,6 +65,7 @@ Wraps bot code execution via `app/fanout/bot_exec.py`. Config blob:
 - `code` — Python bot function source code
 - Executes in a thread pool with timeout and semaphore concurrency control
 - Rate-limits outgoing messages for repeater compatibility
+- Channel `message_text` passed to bot code is normalized for human readability by stripping a leading `"{sender_name}: "` prefix when it matches the payload sender.
 
 ### webhook (webhook.py)
 HTTP webhook delivery. Config blob:
@@ -78,6 +79,7 @@ Push notifications via Apprise library. Config blob:
 - `urls` — newline-separated Apprise notification service URLs
 - `preserve_identity` — suppress Discord webhook name/avatar override
 - `include_path` — include routing path in notification body
+- Channel notifications normalize stored message text by stripping a leading `"{sender_name}: "` prefix when it matches the payload sender so alerts do not duplicate the name.
 
 ### sqs (sqs.py)
 Amazon SQS delivery. Config blob:

app/fanout/apprise_mod.py

@@ -6,7 +6,7 @@ import asyncio
 import logging
 from urllib.parse import parse_qsl, urlencode, urlsplit, urlunsplit
 
-from app.fanout.base import FanoutModule
+from app.fanout.base import FanoutModule, get_fanout_message_text
 from app.path_utils import split_path_hex
 
 logger = logging.getLogger(__name__)
@@ -39,7 +39,7 @@ def _normalize_discord_url(url: str) -> str:
 def _format_body(data: dict, *, include_path: bool) -> str:
     """Build a human-readable notification body from message data."""
     msg_type = data.get("type", "")
-    text = data.get("text", "")
+    text = get_fanout_message_text(data)
     sender_name = data.get("sender_name") or "Unknown"
 
     via = ""

app/fanout/base.py

@@ -33,3 +33,30 @@ class FanoutModule:
     def status(self) -> str:
         """Return 'connected', 'disconnected', or 'error'."""
         raise NotImplementedError
+
+
+def get_fanout_message_text(data: dict) -> str:
+    """Return the best human-readable message body for fanout consumers.
+
+    Channel messages are stored with the rendered sender label embedded in the
+    text (for example ``"Alice: hello"``). Human-facing integrations that also
+    carry ``sender_name`` should strip that duplicated prefix when it matches
+    the payload sender exactly.
+    """
+
+    text = data.get("text", "")
+    if not isinstance(text, str):
+        return ""
+
+    if data.get("type") != "CHAN":
+        return text
+
+    sender_name = data.get("sender_name")
+    if not isinstance(sender_name, str) or not sender_name:
+        return text
+
+    prefix, separator, remainder = text.partition(": ")
+    if separator and prefix == sender_name:
+        return remainder
+
+    return text

tests/test_fanout.py

@@ -781,6 +781,20 @@ class TestAppriseFormatBody:
         )
         assert body == "**#general:** Bob: hi"
 
+    def test_channel_format_strips_stored_sender_prefix(self):
+        from app.fanout.apprise_mod import _format_body
+
+        body = _format_body(
+            {
+                "type": "CHAN",
+                "text": "Bob: hi",
+                "sender_name": "Bob",
+                "channel_name": "#general",
+            },
+            include_path=False,
+        )
+        assert body == "**#general:** Bob: hi"
+
     def test_dm_with_path(self):
         from app.fanout.apprise_mod import _format_body
 
@@ -888,6 +902,34 @@ class TestAppriseNormalizeDiscordUrl:
         result = _normalize_discord_url("https://discord.com/api/webhooks/123/abc")
         assert "avatar=no" in result
 
+
+class TestFanoutMessageText:
+    def test_channel_text_strips_matching_sender_prefix(self):
+        from app.fanout.base import get_fanout_message_text
+
+        text = get_fanout_message_text(
+            {
+                "type": "CHAN",
+                "text": "Alice: hello world",
+                "sender_name": "Alice",
+            }
+        )
+
+        assert text == "hello world"
+
+    def test_channel_text_keeps_nonmatching_prefix(self):
+        from app.fanout.base import get_fanout_message_text
+
+        text = get_fanout_message_text(
+            {
+                "type": "CHAN",
+                "text": "Alice: hello world",
+                "sender_name": "Bob",
+            }
+        )
+
+        assert text == "Alice: hello world"
+
     def test_non_discord_unchanged(self):
         from app.fanout.apprise_mod import _normalize_discord_url