fix: 统一封面管道增加cover_url多步fallback查找，修复500错误 #1373
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merged 2 commits from 2026-08-15 11:41:00 +08:00
fix/cover-500-cover-url-fallback into develop
2 Commits
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 CI Bot
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e59cb16847 |
style: auto-format with black + isort + prettier [skip ci-format-check]
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xiaoxia
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8b1be55f9d |
fix: 统一封面管道增加cover_url多步fallback查找，修复500错误
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根因：统一封面管道只通过 generation_task_id 查找 cover_url， 但 generation_task_id 为空时（如 plan 创建时未关联）， 直接 fall through 到 run_generate_cover → RuntimeError → 500。 修复： - 统一封面管道 section 增加与视频URL查找一致的 3 步 fallback: A: generation_task_id 直接查找 B: source_edit_plan_id 查找 C: user+template 兜底查找 - 所有步骤都找不到 cover_url 时返回 400 而非 500， 提示用户重新生成预览视频以触发封面自动提取 - 新增 3 个单元测试覆盖新 fallback 路径 |