feat: MiniMax TTS集成、口播批量剪辑流水线、执黑先行二号账号

- 新增 minimax-tts.js 和 minimax-voice-clone.js 脚本
- 新增口播批量剪辑流水线 (口播_assemble.js, 口播_pipeline.js)
- 更新 video-from-script 各阶段脚本 (kling, images, tts, videos)
- 新增执黑先行二号-风格延伸账号
- 更新执黑先行 account.json 配置
- 替换 ugc_product_seeding 参考图
- 更新 CLAUDE.md 和依赖配置

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

.claude/skills/video-from-script/scripts/lib/phase-videos.js

@@ -49,23 +49,35 @@ async function phaseVideos(manifest, manifestPath, options) {
   })
 
   if (videoCandidates.length === 0) {
-    console.log("\n⚠️  [videos] 没有符合条件的 item 进入视频生成阶段")
-    console.log("   manifest 中共有", manifest.items.length, "个 item，逐一诊断:")
+    console.error("\n" + "=".repeat(60))
+    console.error("❌ [videos] 严重错误：没有任何 item 可以进入视频生成阶段！")
+    console.error("=".repeat(60))
+    console.error("   manifest 中共有", manifest.items.length, "个 item，逐一诊断:")
+    let reasonSummary = {}
     for (const it of manifest.items) {
       const reasons = []
-      if (it.confirmed === false) reasons.push("confirmed=false")
-      if (!it.url) reasons.push("缺少 url（图片未上传）")
-      if (!it.videoPrompt) reasons.push("缺少 videoPrompt")
+      if (it.confirmed === false) { reasons.push("confirmed=false（未确认）"); reasonSummary['confirmed=false'] = (reasonSummary['confirmed=false']||0)+1 }
+      if (!it.url) { reasons.push("缺少 url（图片未上传）"); reasonSummary['no_url'] = (reasonSummary['no_url']||0)+1 }
+      if (!it.videoPrompt) { reasons.push("缺少 videoPrompt"); reasonSummary['no_videoPrompt'] = (reasonSummary['no_videoPrompt']||0)+1 }
       if (it.status === 'done' && (it.video || it.videoUrl)) {
-        reasons.push("视频已生成，已跳过")
+        reasons.push("视频已生成")
+        reasonSummary['already_done'] = (reasonSummary['already_done']||0)+1
       } else if (!["done","pending","failed"].includes(it.status)) {
         reasons.push("status=" + (it.status || "undefined") + "（不在 done/pending/failed 中）")
+        reasonSummary['bad_status'] = (reasonSummary['bad_status']||0)+1
       }
-      console.log("   - item", it.id || manifest.items.indexOf(it), ":", reasons.length > 0 ? reasons.join(", ") : "已满足全部条件（不应在此）")
+      console.error(`   - item ${it.id || manifest.items.indexOf(it)}: ${reasons.join(", ")}`)
     }
-    console.log("\n   修复命令:")
-    console.log("   node .claude/skills/video-from-script/scripts/pipeline.js confirm --manifest", manifestPath, "--all")
-    console.log()
+    console.error("\n   原因汇总:", JSON.stringify(reasonSummary))
+
+    let fixCmd = ""
+    if (reasonSummary['confirmed=false']) fixCmd = `node ${path.join(__dirname, '..', 'pipeline.js')} confirm --manifest ${manifestPath} --all`
+    else if (reasonSummary['no_url']) fixCmd = `node ${path.join(__dirname, '..', 'pipeline.js')} run --manifest ${manifestPath} --phase images,upload`
+    else if (reasonSummary['bad_status']) fixCmd = `手动将 item status 改为 done/pending/failed 后重新运行 videos`
+
+    console.error("\n   修复命令: " + fixCmd)
+    console.error("=".repeat(60) + "\n")
+    throw new Error(`视频阶段中断: ${manifest.items.length} 个 item 均不符合视频生成条件 (${Object.entries(reasonSummary).map(([k,v])=>k+'×'+v).join(', ')})`)
   }
 
   const items = []
@@ -92,7 +104,10 @@ async function phaseVideos(manifest, manifestPath, options) {
     }
     items.push(it)
   }
-  if (items.length === 0) { log('videos', '无待处理 item，跳过'); return }
+  if (items.length === 0) {
+    console.error("\n❌ [videos] 严重错误：视频候选列表非空但处理后无待处理项（磁盘恢复后全部跳过）")
+    throw new Error('视频阶段中断: 处理后无待处理 item')
+  }
 
   let Api, pollFn
   const modelLower = videoModel.toLowerCase()
@@ -159,9 +174,11 @@ async function phaseVideos(manifest, manifestPath, options) {
   if (needSubmit.length === 0) { log('videos', '全部通过恢复完成'); return }
 
   // Phase 2+3: 分批提交+轮询（严格并发 ≤ 5，等一批完成再提交下一批）
-  const concurrency = 5
+  const concurrency = 1
   log('videos', `提交 ${needSubmit.length} 个新任务（并发: ${concurrency}）...`)
 
+  let totalSubmitted = 0
+
   for (let i = 0; i < needSubmit.length; i += concurrency) {
     const batch = needSubmit.slice(i, i + concurrency).filter(item => !item.videoTaskId)
     if (batch.length === 0) continue
@@ -245,6 +262,34 @@ async function phaseVideos(manifest, manifestPath, options) {
     }
     saveManifest(manifestPath, manifest)
   }
+
+  // 最终检查：如果提交了视频任务但成功率极低，硬中断
+  const successCount = manifest.items.filter(it => it.video || it.videoUrl).length
+  const failCount = manifest.items.filter(it => it.status === 'failed').length
+  const totalCandidates = videoCandidates.length
+
+  if (successCount === 0 && totalCandidates > 0) {
+    console.error("\n" + "=".repeat(60))
+    console.error("❌ [videos] 严重错误：所有视频生成任务全部失败！")
+    console.error("=".repeat(60))
+    console.error(`   候选 item: ${totalCandidates} | 成功: ${successCount} | 失败: ${failCount}`)
+    const errSamples = manifest.items.filter(it => it.status === 'failed' && it.error).slice(0, 3)
+    for (const it of errSamples) {
+      console.error(`   - item ${it.id}: ${it.error?.slice(0,100)}`)
+    }
+    const allErrors = errSamples.map(it => it.error || '').join()
+    if (/负载已饱和|rate.?limit|quota|额度/.test(allErrors)) {
+      console.error("\n   根因: Kling API 上游过载或额度不足，稍后重试")
+    }
+    console.error("=".repeat(60) + "\n")
+    throw new Error(`视频阶段中断: 所有 ${totalCandidates} 个候选任务失败，成功 0 个`)
+  }
+
+  if (successCount < totalCandidates * 0.3 && totalCandidates >= 5) {
+    console.error("\n⚠️  [videos] 警告：视频生成成功率极低 (<30%)")
+    console.error(`   候选: ${totalCandidates} | 成功: ${successCount} | 失败: ${failCount}`)
+    console.error("   已生成视频将继续使用，未生成的片段将以静态图片替代\n")
+  }
 }
 
 module.exports = { phaseVideos }