Compaction failed.

Compaction failed. CAPIError: 400 2 validation errors:
{'type': 'literal_error', 'loc': ('body', 'tool_choice', 'ToolChoice', 'type'), 'msg': "Input should be 'function'", 'input': 'none', 'ctx': {'expected': "'function'"}}
{'type': 'literal_error', 'loc': ('body', 'tool_choice', "literal['auto','required','none']"), 'msg': "Input should be 'auto', 'required' or 'none'", 'input': {'function': {'name': ''}, 'type': 'none'}, 'ctx': {'expected': "'auto', 'required' or 'none'"}}

File "/usr/local/lib/python3.12/dist-packages/sglang/srt/entrypoints/http_server.py", line 1491, in openai_v1_chat_completions
POST /v1/chat/completions [{'type': 'literal_error', 'loc': ('body', 'tool_choice', 'ToolChoice', 'type'), 'msg': "Input should be 'function'", 'input': 'none', 'ctx': {'expected': "'function'"}}, {'type': 'literal_error', 'loc': ('body', 'tool_choice', "literal['auto','required','none']"), 'msg': "Input should be 'auto', 'required' or 'none'", 'input': {'function': {'name': ''}, 'type': 'none'}, 'ctx': {'expected': "'auto', 'required' or 'none'"}}]

---
| Field | Value |
| --- | --- |
| App version | 1.1.1 |
| OS | Windows 10.0.26200 |
| Theme | GitHub |
| Path | /chat |
| Tenure | Week 6 |

Start with the /chat compaction flow and the reported sglang entry point, openai_v1_chat_completions. Reproduce the failure on App version 1.1.1 with the supplied tool_choice validation error, then trace where the invalid request is formed; done means compaction completes without the 400 response.

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