docs: update events structure and trigger system docs

AGENTS-BOT.md

@@ -39,12 +39,14 @@ pixelpoebel/
 │   ├── events/
 │   │   ├── ready.ts
 │   │   ├── interactionCreate.ts
+│   │   ├── messageCreate.ts         # Auto-response triggers
+│   │   ├── messageDelete.ts         # Deleted messages
+│   │   ├── messageUpdate.ts         # Edited messages
 │   │   ├── guildMemberAdd.ts        # Welcome messages
 │   │   ├── guildMemberRemove.ts     # Goodbye messages
 │   │   ├── guildMemberUpdate.ts     # Nickname/role changes
-│   │   ├── messageDelete.ts        # Deleted messages
-│   │   ├── messageUpdate.ts        # Edited messages
-│   │   └── channelEvent.ts         # Channel create/delete
+│   │   ├── channelCreate.ts        # Channel create
+│   │   └── channelDelete.ts         # Channel delete
 │   └── structures/
 │       ├── ExtendedClient.ts
 │       ├── Command.ts
@@ -285,6 +287,22 @@ async function sendModerationLog(client: any, guildId: string, event: string, em
 
 ### 7. Auto-Response (Trigger) System
 
+**Event Handler (`messageCreate.ts`):**
+```typescript
+// Listens for messages and checks against auto_responses
+// Ignores bots and DM messages
+const triggers = DB.all('SELECT * FROM auto_responses WHERE guild_id = ?', guildId);
+const contentLower = message.content.toLowerCase();
+
+for (const trigger of triggers) {
+    if (contentLower.includes(trigger.trigger_word.toLowerCase())) {
+        await message.channel.send(trigger.response_text);
+        return;
+    }
+}
+```
+
+**Command (`trigger.ts`):**
 ```typescript
 // Add trigger (admin only)
 DB.run('INSERT INTO auto_responses (guild_id, trigger_word, response_text) VALUES (?, ?, ?)',