Fix import error: Add List to typing imports in bsky_utils.py

Fixed NameError: name 'List' is not defined by adding List to the typing imports and removing redundant import inside function.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[e-mail]>

bsky_utils.py

···
 import os
 import logging
-from typing import Optional, Dict, Any
+from typing import Optional, Dict, Any, List
 from atproto_client import Client, Session, SessionEvent, models
 
 # Configure logging
···
         List of responses from sending the replies or None if failed
     """
     try:
-        from typing import List
-        
         # Validate input
         if not reply_messages or len(reply_messages) == 0:
             logger.error("Reply messages list cannot be empty")