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/kling-video-generator.js

@@ -37,12 +37,19 @@ const cfg = loadConfig()
 
 const Config = {
   apiBase: (cfg.kelingApiBaseUrl || 'https://api-beijing.klingai.com').replace(/\/+$/, ''),
-  model: cfg.kelingModel || 'kling-v3',
+  yunwuApiBase: (cfg.kelingYunwuApiBase || '').replace(/\/+$/, ''),
+  yunwuApiKey: cfg.kelingYunwuApiKey || cfg.minimaxApiKey || '',
+  model: cfg.kelingModel || 'kling-v2-5-turbo',
   pollInterval: 10000,
   maxPollTime: 600000,
   maxRetries: 3,
 }
 
+// 是否走云雾代理模式（用 Bearer token 而非 JWT）
+function isYunwuMode() {
+  return !!(Config.yunwuApiBase && Config.yunwuApiKey)
+}
+
 // ============================================================================
 // JWT 鉴权（来自可灵官方 API 规范）
 // ============================================================================
@@ -180,7 +187,7 @@ function extractCoreSubject(prompt) {
 }
 
 // ============================================================================
-// 官方可灵 API
+// 可灵 API（官方 JWT 模式 + 云雾 Bearer Token 模式）
 // ============================================================================
 
 const KlingApi = {
@@ -192,8 +199,11 @@ const KlingApi = {
       lastFrameUrl = '',
     } = options
 
-    const creds = loadCredentials()
-    const token = makeJwt(creds.ak, creds.sk)
+    const yunwu = isYunwuMode()
+    const apiBase = yunwu ? Config.yunwuApiBase : Config.apiBase
+    const authHeader = yunwu
+      ? `Bearer ${Config.yunwuApiKey}`
+      : `Bearer ${makeJwt(...Object.values(loadCredentials()))}`
 
     const body = {
       model_name: model,
@@ -210,8 +220,8 @@ const KlingApi = {
 
     const modeLabel = lastFrameUrl ? '首尾帧' : '单图'
 
-    console.log(`\n📡 提交可灵视频任务 [${modeLabel}]`)
-    console.log(`   API: ${Config.apiBase}`)
+    console.log(`\n📡 提交可灵视频任务 [${modeLabel}]${yunwu ? ' [云雾]' : ' [官方]'}`)
+    console.log(`   API: ${apiBase}`)
     console.log(`   模型: ${model}`)
     console.log(`   提示词: ${prompt.substring(0, 80)}...`)
     if (lastFrameUrl) {
@@ -222,11 +232,11 @@ const KlingApi = {
     }
     console.log(`   时长: ${duration}s | 画质: ${mode}`)
 
-    const res = await fetch(`${Config.apiBase}/v1/videos/image2video`, {
+    const res = await fetch(`${apiBase}/v1/videos/image2video`, {
       method: 'POST',
       headers: {
         'Content-Type': 'application/json',
-        'Authorization': `Bearer ${token}`,
+        'Authorization': authHeader,
       },
       body: JSON.stringify(body),
     })
@@ -249,12 +259,15 @@ const KlingApi = {
   },
 
   async query(taskId) {
-    const creds = loadCredentials()
-    const token = makeJwt(creds.ak, creds.sk)
+    const yunwu = isYunwuMode()
+    const apiBase = yunwu ? Config.yunwuApiBase : Config.apiBase
+    const authHeader = yunwu
+      ? `Bearer ${Config.yunwuApiKey}`
+      : `Bearer ${makeJwt(...Object.values(loadCredentials()))}`
 
-    const res = await fetch(`${Config.apiBase}/v1/videos/image2video/${taskId}`, {
+    const res = await fetch(`${apiBase}/v1/videos/image2video/${taskId}`, {
       headers: {
-        'Authorization': `Bearer ${token}`,
+        'Authorization': authHeader,
         'Content-Type': 'application/json',
       },
     })