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Huei Feng
455556380b
* Chat API: skip tool calls with missing function names Some providers send empty or absent function names in streaming tool call deltas. Previously these produced invalid output items. - Don't overwrite accumulated state.name with empty deltas - Skip tool calls that never received a valid name (instead of falling back to 'unknown_tool') - Apply the same defensive guard in finalize_tools and the non-streaming path * Address review: defer empty-name skip to finalization Require both call_id and name before triggering should_add, instead of skipping eagerly when name is absent in the first delta. This handles providers that send id before name, as suggested in the Codex review. * Guard legacy function_call against empty name Return Option<Value> from chat_legacy_function_call_to_response_item, returning None when function_call.name is missing or empty. This covers the legacy message.function_call path that the original guard missed. * Remove unreachable unknown_tool fallback --------- Co-authored-by: Jason <farion1231@gmail.com>