fix

services/irc_service.py

@@ -3,6 +3,7 @@ IRC сервис для мониторинга Twitch чата.
 """
 
 import asyncio
+import random
 import re
 import logging
 from typing import Optional, Callable, Awaitable, List
@@ -28,7 +29,13 @@ class TwitchIRCClient:
     ):
         self.channel = channel.lower()
         self.target_username = target_username.lower()
-        self.irc_username = irc_username or settings.IRC_USERNAME
+        # Anonymous Twitch login (justinfanNNNNN) is shared across all clients by
+        # default, so parallel monitors on the same nick get kicked by Twitch
+        # (one connection per nick) — randomize it unless a real login is configured.
+        if irc_username or settings.IRC_USERNAME != "justinfan12345":
+            self.irc_username = irc_username or settings.IRC_USERNAME
+        else:
+            self.irc_username = f"justinfan{random.randint(10000, 99999)}"
         self.irc_oauth = irc_oauth or settings.IRC_OAUTH
         
         self._reader: Optional[asyncio.StreamReader] = None