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7e6479b3a0
* fix(completion): accept a tool_choice that forces an OpenAI hosted tool
litellm.completion rejected tool_choice={"type": "web_search"} before any request, while /v1/responses took the same choice. The chat validator now forwards a hosted tool type unchanged and a provider gate turns it into a 400 off openai, azure and litellm_proxy, where the choice would otherwise be dropped or mangled.
Fixes #50566
* fix(utils): keep a non-string tool_choice type a 400, not a TypeError
A list or dict in tool_choice["type"] is unhashable, so the hosted tool lookup needs the string check first. The bridge test that used file_search as an untranslatable choice now uses a type that really is unknown.
* refactor(completion): forward any Responses API tool_choice type instead of keeping a hosted tool allowlist
Chat completions now accepts any tool_choice dict with a string type it has no shape for and sends it as is on openai, azure and litellm_proxy, where OpenAI validates the type itself (a typo is still a 400, from OpenAI). The provider gate keeps the 400 everywhere else. The HOSTED_TOOL_CHOICE_TYPES list is gone, so a new OpenAI hosted tool needs no change here.
* Revert "refactor(completion): forward any Responses API tool_choice type instead of keeping a hosted tool allowlist"
This reverts commit
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| .. | ||
| litellm_completion_transformation | ||
| mcp | ||
| __init__.py | ||
| test_additional_tools.py | ||
| test_custom_tool_call.py | ||
| test_metadata_codex_callback.py | ||
| test_no_duplicate_spend_logs.py | ||
| test_null_test_fix.py | ||
| test_responses_api_bridge_flag.py | ||
| test_responses_api_lifecycle.py | ||
| test_responses_api_request_body.py | ||
| test_responses_prompt_management.py | ||
| test_responses_router_cooldown.py | ||
| test_responses_streaming_iterator.py | ||
| test_responses_supported_endpoints_passthrough.py | ||
| test_responses_utils.py | ||
| test_responses_websocket_all_providers.py | ||
| test_rust_bridge_websocket.py | ||
| test_sse_output_recovery.py | ||
| test_streaming_iterator.py | ||
| test_streaming_iterator_error_events.py | ||
| test_text_format_conversion.py | ||