fix: filter custom_tool_call types in remove_all_tools handoff filter#3095
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Quratulain-bilal wants to merge 1 commit intoopenai:mainfrom
Open
fix: filter custom_tool_call types in remove_all_tools handoff filter#3095Quratulain-bilal wants to merge 1 commit intoopenai:mainfrom
Quratulain-bilal wants to merge 1 commit intoopenai:mainfrom
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remove_all_tools strips hosted tool types from raw input history before a handoff so the next agent does not see the previous agent's tool plumbing. The list omitted custom_tool_call and custom_tool_call_output, so custom tool calls (used by CustomTool / ResponseCustomToolCall) leaked through after a handoff. Add the two types to the filter list and extend test_removes_hosted_tool_types_from_input_history to cover them.
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Summary
remove_all_toolsstrips hosted tool types from raw input history before a handoff so the next agent does not see theprevious agent's tool plumbing. The hosted-types list omitted
custom_tool_callandcustom_tool_call_output, socustom tool calls (produced by
CustomTool/ResponseCustomToolCall) leaked through after a handoff.src/agents/extensions/handoff_filters.py.test_removes_hosted_tool_types_from_input_historyto cover the two new types — without the source change thetest fails.
Test plan
uv run pytest tests/test_extension_filters.py— 36 passeduv run ruff check— cleanuv run ruff format --check— clean