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 |

从 /chat 压缩流程和报告的 sglang 入口点 openai_v1_chat_completions 开始。使用提供的 tool_choice 验证错误，在 App 版本 1.1.1 上复现该故障，然后追踪无效请求是在何处形成的；完成的标准是压缩过程在没有 400 响应的情况下完成。

由索引模型根据 Issue 内容生成。