feat(video-from-script): 重构工作流为子Agent分步执行并新增提示词模板系统

将视频制作工作流拆分为独立子步骤：分镜 → 图片提示词 → 生图 → 视频提示词 → 生视频 → 成片，每步由子Agent独立执行。引入prompts/目录统一管理提示词模板（分镜.md、图片提示词.md、视频提示词.md），通过account.json的storyboardPrompt/imageStylePrompt/videoStylePrompt字段引用。变更内容： - 新增confirmed机制和pipeline.js confirm命令，生图后必须人工确认才能继续 - manifest schema改用shotDesc/narration/duration/directorRef替代旧字段 - 文件命名规则从keyword改为slug（从shotDesc/narration派生） - 删除旧的storyboard-rules.md和prompt-rules.md - pipeline.js脚本拆分为lib/目录下的独立模块（cmd-init/cmd-confirm/cmd-validate/phase-*） - 新增cmd-create-account支持一键创建带prompts目录的账号 - capcut_assemble支持narration字段替代text作为字幕源 - 新增.gitclaude/settings.json权限配置
2026-04-30 21:18:31 +08:00
parent 7f955647fe
commit 86b9b7948d
32 changed files with 2826 additions and 1292 deletions
--- a/.claude/skills/video-from-script/scripts/lib/phase-images.js
+++ b/.claude/skills/video-from-script/scripts/lib/phase-images.js
@@ -0,0 +1,173 @@
+/**
+ * Phase: images — 图片生成
+ *
+ * 支持 Gemini / MJ / Kling 三种模型，含首尾帧模式
+ */
+
+const path = require('path')
+const { saveManifest, getReferences, ensureDir, renameGeneratedFile, log, getManifestDir } = require('./pipeline-utils')
+
+async function phaseImages(manifest, manifestPath, options) {
+  const dir = getManifestDir(manifestPath)
+  const imagesDir = path.join(dir, 'images')
+  ensureDir(imagesDir)
+
+  const items = manifest.items.filter(it =>
+    (!it.status || it.status === 'pending' || it.status === 'generating') && it.imagePrompt
+  )
+  if (items.length === 0) { log('images', '无待处理 item，跳过'); return }
+
+  const accountConfig = options.accountConfig || {}
+  let model = options.imageModel || manifest.imageModel || accountConfig.imageModel || 'gemini'
+  const ratio = manifest.format || accountConfig.defaultFormat || '9:16'
+
+  // 首尾帧模式：MJ 降级为 Gemini（MJ 出4张候选图无法一一对应首尾帧）
+  if (model === 'mj' && manifest.mode === 'framePair') {
+    log('images', '首尾帧模式不支持 MJ，自动降级为 Gemini')
+    model = 'gemini'
+  }
+  const refs = getReferences(manifest, accountConfig)
+
+  log('images', `共 ${items.length} 张, 模型: ${model}, 画幅: ${ratio}, 参考图: ${refs.localPaths.length}本地/${refs.urls.length}URL`)
+
+  for (let i = 0; i < items.length; i++) {
+    const item = items[i]
+    const idx = i + 1
+    try {
+      item.status = 'generating'
+      saveManifest(manifestPath, manifest)
+
+      let result
+      if (model === 'gemini') {
+        const { generate: geminiGen, edit: geminiEdit } = require('../gemini-image-generator')
+        if (refs.localPaths.length > 0) {
+          log('images', `[${idx}/${items.length}] Gemini 图生图: ${item.imagePrompt.substring(0, 60)}...`)
+          result = await geminiEdit(item.imagePrompt, refs.localPaths, {
+            outputDir: imagesDir,
+            aspectRatio: ratio,
+          })
+        } else {
+          log('images', `[${idx}/${items.length}] Gemini 文生图: ${item.imagePrompt.substring(0, 60)}...`)
+          result = await geminiGen(item.imagePrompt, {
+            outputDir: imagesDir,
+            aspectRatio: ratio,
+          })
+        }
+        if (result.savedFiles && result.savedFiles.length > 0) {
+          item.file = renameGeneratedFile(
+            path.relative(dir, result.savedFiles[0]).replace(/\\/g, '/'),
+            dir, idx, item.narration || item.shotDesc, ''
+          )
+        }
+      } else if (model === 'mj') {
+        const { generate: mjGen } = require('../mj-image-generator')
+        const mjOpts = { outputDir: imagesDir, aspectRatio: ratio, split: true }
+        if (refs.urls.length > 0) {
+          mjOpts.referenceImages = refs.urls
+          mjOpts.styleWeight = 200
+        }
+        log('images', `[${idx}/${items.length}] MJ 生图: ${item.imagePrompt.substring(0, 60)}...`)
+        result = await mjGen(item.imagePrompt, mjOpts)
+        if (result.files && result.files.length > 0) {
+          item.candidates = result.files.map((f, ci) =>
+            renameGeneratedFile(
+              path.relative(dir, f).replace(/\\/g, '/'),
+              dir, idx, item.narration || item.shotDesc, `cand${ci + 1}`
+            )
+          )
+          item.file = item.candidates[0]
+          log('images', `[${idx}/${items.length}] ${result.files.length} 张候选，默认选第1张`)
+        }
+      } else if (model === 'kling') {
+        const { generate: klingGen } = require('../kling-image-generator')
+        const klingOpts = { outputDir: imagesDir, aspectRatio: ratio }
+        if (refs.urls.length > 0) {
+          klingOpts.styleImageUrl = refs.urls[0]
+        }
+        log('images', `[${idx}/${items.length}] 可灵生图: ${item.imagePrompt.substring(0, 60)}...`)
+        result = await klingGen(item.imagePrompt, klingOpts)
+        if (result.savedFiles && result.savedFiles.length > 0) {
+          item.file = renameGeneratedFile(
+            path.relative(dir, result.savedFiles[0]).replace(/\\/g, '/'),
+            dir, idx, item.narration || item.shotDesc, ''
+          )
+        }
+      } else {
+        throw new Error(`不支持的模型: ${model}（支持: gemini, mj, kling）`)
+      }
+
+      if (item.file) {
+        item.status = 'done'
+        log('images', `[${idx}/${items.length}] 完成: ${item.file}`)
+      } else {
+        item.status = 'failed'
+        item.error = '生成器未返回文件'
+        log('images', `[${idx}/${items.length}] 失败: 生成器未返回文件`)
+      }
+
+      // 首尾帧模式：生成第二张图（lastFrame）
+      if (item.status === 'done' && manifest.mode === 'framePair' && item.lastFramePrompt && !item.lastFrame) {
+        await generateLastFrame(item, idx, items.length, manifest, dir, imagesDir, model, ratio, manifestPath)
+      }
+    } catch (err) {
+      item.status = 'failed'
+      item.error = err.message
+      log('images', `[${idx}/${items.length}] 失败: ${err.message}`)
+    }
+    saveManifest(manifestPath, manifest)
+  }
+}
+
+async function generateLastFrame(item, idx, total, manifest, dir, imagesDir, model, ratio, manifestPath) {
+  try {
+    item.status = 'generating'
+    saveManifest(manifestPath, manifest)
+
+    const firstFramePath = path.resolve(dir, item.file)
+    let lastResult
+    if (model === 'gemini') {
+      const { edit: geminiEdit } = require('../gemini-image-generator')
+      lastResult = await geminiEdit(item.lastFramePrompt, [firstFramePath], {
+        outputDir: imagesDir,
+        aspectRatio: ratio,
+      })
+    } else if (model === 'mj') {
+      const { generate: mjGen } = require('../mj-image-generator')
+      const mjOpts = { outputDir: imagesDir, aspectRatio: ratio, split: false }
+      if (item.url) {
+        mjOpts.referenceImages = [item.url]
+        mjOpts.styleWeight = 200
+      }
+      lastResult = await mjGen(item.lastFramePrompt, mjOpts)
+    } else if (model === 'kling') {
+      const { generate: klingGen } = require('../kling-image-generator')
+      lastResult = await klingGen(item.lastFramePrompt, {
+        outputDir: imagesDir,
+        styleImageUrl: item.url || '',
+        aspectRatio: ratio,
+      })
+    }
+
+    if (lastResult) {
+      const files = lastResult.savedFiles || lastResult.files || []
+      if (files.length > 0) {
+        item.lastFrame = renameGeneratedFile(
+          path.relative(dir, files[0]).replace(/\\/g, '/'),
+          dir, idx, item.narration || item.shotDesc, 'last'
+        )
+        item.status = 'done'
+        log('images', `[${idx}/${total}] lastFrame 完成: ${item.lastFrame}`)
+      } else {
+        item.status = 'failed'
+        item.error = 'lastFrame 生成器未返回文件'
+        log('images', `[${idx}/${total}] lastFrame 失败: 未返回文件`)
+      }
+    }
+  } catch (err) {
+    item.status = 'failed'
+    item.error = `lastFrame 失败: ${err.message}`
+    log('images', `[${idx}/${total}] lastFrame 失败: ${err.message}`)
+  }
+}
+
+module.exports = { phaseImages }