ignore-channels: fnmatch patterns + silent before classifier gate (beh-09) — no emoji leak into ignored channels

fjerkroa_bot/discord_bot.py

@@ -1,5 +1,6 @@
 import argparse
 import asyncio
+import fnmatch
 import logging
 import random
 import re
@@ -481,7 +482,7 @@ class FjerkroaBot(commands.Bot):
             return fallback_channel
         if channel_name.startswith("#"):
             channel_name = channel_name[1:]
-        if not no_ignore and channel_name in self.config.get("ignore-channels", []):
+        if not no_ignore and self.channel_ignored(channel_name):
             return fallback_channel
         for guild in self.guilds:
             channel = discord.utils.get(guild.channels, name=channel_name)
@@ -494,8 +495,12 @@ class FjerkroaBot(commands.Bot):
             return str(channel.recipient.name)
         return str(channel.id) if isinstance(channel, DMChannel) else str(channel.name)
 
+    def channel_ignored(self, channel_name) -> bool:
+        """fnmatch patterns; plain names match exactly as before (BEH-09)."""
+        return any(fnmatch.fnmatchcase(str(channel_name), pattern) for pattern in self.config.get("ignore-channels", []))
+
     def ignore_message(self, channel_name, message):
-        return channel_name in self.config.get("ignore-channels", []) and not message.direct
+        return self.channel_ignored(channel_name) and not message.direct
 
     def log_message_action(self, action, message, channel_name):
         logging.info(f"{action} message {repr(message)} for channel {channel_name}")
@@ -521,6 +526,11 @@ class FjerkroaBot(commands.Bot):
 
     async def handle_message_through_responder(self, message):
         """Handle a message through the AI responder"""
+        # Ignored channels are fully silent — before the classifier gate,
+        # so no emoji reaction leaks either (BEH-09). DMs are never ignored.
+        if not isinstance(message.channel, DMChannel) and self.channel_ignored(self.get_channel_name(message.channel)):
+            self.log_message_action("ignore", message, self.get_channel_name(message.channel))
+            return
         message_content = str(message.content).strip()
         if message.reference and message.reference.resolved and isinstance(message.reference.resolved.content, str):
             reference_content = str(message.reference.resolved.content).replace("\n", "> \n")