feat(#1677): 多视频批量生成后端补全 — 批量预览变体数组 + 按变体独立标题/配音/封面 #1701
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merged 1 commits from 2026-09-05 00:44:25 +08:00
feature/batch-variants-per-video-config into develop
1 Commits
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 saas-backend-agent
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7a2748f6fd |
feat(#1677): 多视频批量生成后端补全 — 批量预览变体数组 + 按变体独立标题/配音/封面
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- POST /preview: preview_count=N 一次创建 N 个独立预览任务（各自克隆独立 plan、
独立 clips/随机起点），返回 {items: [...N变体], total}，每个变体含独立
task_id/status/video_url，前端按 task_id 分别轮询
- POST /tasks: count=N 时支持变体级配置注入：titles[]/voice_library_ids[]/
cover_urls[]（长度1=共用，长度N=独立，空数组=回退旧单值字段，N=1完全兼容）
- 标题样式（font/color/position 等）全局共用，标题文字按变体独立
- 批量场景 title_config 回写改为每个变体各自回写独立 plan（原仅首任务回写）
- 预览克隆链路：N 个预览全部克隆独立 plan（预览不污染源 plan），克隆失败中断
- 新增 BatchPreviewGenerationTaskResponse + PreviewGenerationTaskResponse
增加 variant_index/title_text/voice_library_id 字段
- 24 个新单测覆盖 N=1/N=3 场景（变体数组校验/批量预览/克隆链路/独立配置注入）
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