fix(vision): #2203 V2快速路径TimeoutError未捕获+max_retries=0不生效 #2203

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xiaoxia merged 1 commits from fix/vision-v2-timeout-bugs into develop 2026-10-05 17:51:39 +08:00

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Author SHA1 Message Date
xiaoxia 9344314eac fix(vision): #2203 V2快速路径两个P0 bug修复
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E2E发现两个P0 bug:
1. as_completed(timeout=...)抛TimeoutError时未被捕获,异常直接冒泡到外层,
   跳过了pro VLM兜底路径,导致3/3返回空结果。
   修复:包裹try/except TimeoutError,cancel未完成futures,继续走pro兜底。

2. 外层_step_image_analysis设置client.max_retries=0不生效(ThreadPool线程
   里可能被其他任务覆盖/共享单例状态),实际仍重试1次(2次调用×6s=12s超时)。
   修复:在vlm_fast_json/vlm_fallback内部强制max_retries=0并在finally里恢复。

3. 收紧超时:fast总超时8→6s、lite JSON 6→5s、OCR 8→5s,让lite不够快时
   尽快走pro兜底(pro单次45s足够)。

本地mock验证:fast命中1.5s返回有效portrait_prompt;fast超时6s正确触发pro fallback。
2026-10-05 17:50:13 +08:00