fix(mcpserver): preserve Annotated/Field metadata for dict[str, T] return types#2939

anneheartrecord wants to merge 2 commits into

modelcontextprotocol:mainmodelcontextprotocol/python-sdk:mainfrom

anneheartrecord:fix/2935-dict-annotated-metadataanneheartrecord/python-sdk:fix/2935-dict-annotated-metadataCopy head branch name to clipboard