Fix type checking and formatting issues

- Add type ignores for incomplete OpenAI SDK types on FileSearchToolCall
- Use dict construction with cast for ResponseFileSearchToolCallParam (matches ImageGenerationTool pattern)
- Fix ruff formatting for test parametrize decorator

Author: gorkachea

pydantic_ai_slim/pydantic_ai/models/openai.py

@@ -1485,11 +1485,15 @@ async def _map_messages(  # noqa: C901
                                 and item.tool_call_id
                                 and (args := item.args_as_dict())
                             ):
-                                file_search_item = responses.ResponseFileSearchToolCallParam(
-                                    id=item.tool_call_id,
-                                    action=cast(responses.response_file_search_tool_call_param.Action, args),
-                                    status='completed',
-                                    type='file_search_call',
+                                # The cast is necessary because of incomplete OpenAI SDK types for FileSearchToolCall
+                                file_search_item = cast(
+                                    responses.ResponseFileSearchToolCallParam,
+                                    {
+                                        'id': item.tool_call_id,
+                                        'action': args,
+                                        'status': 'completed',
+                                        'type': 'file_search_call',
+                                    },
                                 )
                                 openai_messages.append(file_search_item)
                             elif item.tool_name == ImageGenerationTool.kind and item.tool_call_id:
@@ -2268,14 +2272,15 @@ def _map_file_search_tool_call(
         'status': item.status,
     }
 
-    if action := item.action:
-        args = action.model_dump(mode='json')
+    # The OpenAI SDK has incomplete types for FileSearchToolCall.action
+    if action := item.action:  # type: ignore[reportAttributeAccessIssue]
+        args = action.model_dump(mode='json')  # type: ignore[reportUnknownMemberType]
 
     return (
         BuiltinToolCallPart(
             tool_name=FileSearchTool.kind,
             tool_call_id=item.id,
-            args=args,
+            args=args,  # type: ignore[reportUnknownArgumentType]
             provider_name=provider_name,
         ),
         BuiltinToolReturnPart(

tests/test_builtin_tools.py

@@ -52,9 +52,7 @@ async def test_builtin_tools_not_supported_file_search(model: Model, allow_model
         await agent.run('Search my files')
 
 
-@pytest.mark.parametrize(
-    'model', ('bedrock', 'mistral', 'huggingface', 'groq', 'anthropic', 'outlines'), indirect=True
-)
+@pytest.mark.parametrize('model', ('bedrock', 'mistral', 'huggingface', 'groq', 'anthropic', 'outlines'), indirect=True)
 async def test_builtin_tools_not_supported_file_search_stream(model: Model, allow_model_requests: None):
     agent = Agent(model=model, builtin_tools=[FileSearchTool(vector_store_ids=['test-id'])])