Refactor replyer retrieval to async and add memory formatter

Changed get_replyer and related calls to async across multiple modules for proper coroutine handling. Added format_memories_bracket_style utility for memory formatting. Improved video analysis caching logic and type annotations. Updated error logging for message processing.

src/chat/replyer/replyer_manager.py

@@ -37,6 +37,7 @@ class ReplyerManager:
         target_stream = chat_stream
         if not target_stream:
             if chat_manager := get_chat_manager():
+                # get_stream 为异步，需要等待
                 target_stream = await chat_manager.get_stream(stream_id)
 
         if not target_stream: