452c3daec1
Team 1: Critical Bug Fix Squad Fixed: - #1: LLM Client async methods use undefined self.client Changed to self._async_client in utils/llm.py - #3: Server Upload endpoint missing UploadFile/File imports Added to server.py imports - #17: LangGraph workflow error recovery - Replaced fake fallback with proper error raising - Enabled MemorySaver checkpointing for state persistence - Added traceback printing for debugging