chore: Added references between mcp.py and _agent_graph.py regarding multi-modal content parsing.

Author: anirbanbasu

pydantic_ai_slim/pydantic_ai/_agent_graph.py

@@ -1080,6 +1080,7 @@ async def _call_tool(
                     f'The return value of tool {tool_call.tool_name!r} contains invalid nested `ToolReturn` objects. '
                     f'`ToolReturn` should be used directly.'
                 )
+            # TODO: Keep updated with the binary parsing in mcp.py
             elif isinstance(content, _messages.MultiModalContent):
                 identifier = content.identifier
 

pydantic_ai_slim/pydantic_ai/mcp.py

@@ -282,6 +282,7 @@ async def direct_call_tool(
             for idx, (part, part_metadata) in enumerate(parts_with_metadata):
                 if part_metadata is not None:
                     parts_metadata[idx] = part_metadata
+                # TODO: Keep updated with the multimodal content parsing in _agent_graph.py
                 if isinstance(part, messages.BinaryContent):
                     identifier = part.identifier