diff --git a/assistant/assistant.py b/assistant/assistant.py
index dee2257..31e8332 100644
--- a/assistant/assistant.py
+++ b/assistant/assistant.py
@@ -75,25 +75,19 @@ class Assistant(commands.Cog):
 
         guild = message.guild
 
-        # Debug: react with 1️⃣ to confirm listener fires
         if self.bot.user in message.mentions:
-            try:
-                await message.add_reaction("1️⃣")
-            except Exception:
-                pass
+            log.info("[ASSISTANT DEBUG] Mention detected from %s in #%s", message.author, message.channel)
 
         enabled = await self.config.guild(guild).enabled()
         if not enabled:
+            if self.bot.user in message.mentions:
+                log.info("[ASSISTANT DEBUG] Guild %s is disabled", guild.id)
             return
 
         api_key = await self.config.api_key()
         if not api_key:
-            # Debug: react with 🔑 if no API key
             if self.bot.user in message.mentions:
-                try:
-                    await message.add_reaction("🔑")
-                except Exception:
-                    pass
+                log.info("[ASSISTANT DEBUG] No API key set")
             return
 
         chat_channel_id = await self.config.guild(guild).chat_channel()
@@ -105,6 +99,8 @@ class Assistant(commands.Cog):
         if not is_chat_channel and not is_ping:
             return
 
+        log.info("[ASSISTANT DEBUG] Processing message, is_ping=%s, is_chat_channel=%s", is_ping, is_chat_channel)
+
         content = message.content
         if is_ping:
             for mention in (f"<@{self.bot.user.id}>", f"<@!{self.bot.user.id}>"):