{"task":{"id":"e05278a10c0a","name":"V7A L2 三案对照 · scene 合并 / 字幕选择 / 节奏 (2026-04-23)","description":"L2 批量回归 29/29 全 OK + 0 幻觉,但发现两类决策一致性残留隐患:\n\n1. scene 合并策略二态分布 (要么 1对1, 要么砍 2/3, 中间档稀薄)\n2. caption_skip 缺中间档 (76% 完全不 skip, 个别砍一半)\n\n3 个 case 帮你看观感 → 决定要不要回头修 prompt:\n\n• Case A (187139519): 18 photos → 18 scene 1对1 + 9 关字幕 · 温柔回忆 (66s)\n• Case B (187139389): 18 photos → 6 scene 砍 2/3 + 全字幕 · 旅途故事 (26s)\n• Case C (187160038): 13 photos → 13 scene 1对1 + 3 关字幕 · 聚会温情 (46s)\n\n关键: A 和 B 是【同一用户的同一批素材分两次上传】,L1 analysis 几乎一致,但 Stage 1 决策出两套完全不同的节奏 + 不同 intent — 天然控制组,直接对比。\n\n控制变量: BGM 全用 track_04 (温柔抒情) / 1920×1080 / 30fps / 字幕配色一致 / motion 用 effort→preset 规则映射\n\n你按 3 个维度判断:\n维度 1 (节奏): A 拖沓 vs B 仓促 vs C 中庸,哪种合理?\n维度 2 (字幕选择): 关掉的 scene 真不该有字幕吗?留下的踩点了吗?\n维度 3 (叙事一致性): A 散文式 vs B 凝练式哪种适合家庭回忆?intent 驱动差异化合理吗?\n\n已知 L2 真实债 (本轮暴露):\n- Case A 的 stage1.json 把 2 个 32 位 hash basename 写错 1-2 个字符 (用 fuzzy match 兜住)\n- 待修: Stage 1 prompt 加 image basename 强约束 + 后处理 validator\n\n详细对照说明: docs/ops/eval_reports/l2_3case_render_2026-04-23.md","type":"open","created_at":"2026-04-24 13:11:24","status":"active","questions":""},"items":[{"id":"7bf8a3254fb2","task_id":"e05278a10c0a","label":"Case A · 18→18 一对一 · 9 关字幕","media_type":"video","media_url":"https://test.colorv.chat/uploads/v7a_l2_caseA_2026-04-23.mp4","pair_id":"","sort_order":0,"description":""},{"id":"b87c2c8bd499","task_id":"e05278a10c0a","label":"Case B · 18→6 砍合并 · 全字幕","media_type":"video","media_url":"https://test.colorv.chat/uploads/v7a_l2_caseB_2026-04-23.mp4","pair_id":"","sort_order":1,"description":""},{"id":"d0e92551742d","task_id":"e05278a10c0a","label":"Case C · 13→13 一对一 · 3 关字幕","media_type":"video","media_url":"https://test.colorv.chat/uploads/v7a_l2_caseC_2026-04-23.mp4","pair_id":"","sort_order":2,"description":""}],"responses":[]}