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+// 小红书封面意图映射引擎 v1.0
+// 自然语言 → widget组合 + 随机化策略
+// 国作登字-2026-A-00037559
+
+import { WIDGETS, randomVariant } from './widgets.js'
+
+// 内容类型 → 预设widget组合
+const CONTENT_PRESETS = {
+  tutorial: {
+    name: '教程攻略',
+    widgets: ['badge','title','gradient-stripe','bullet-list','info-tag-row','highlight-box'],
+    decorChance: 0.6,
+    layout: 'card',
+  },
+  review: {
+    name: '测评推荐',
+    widgets: ['sticker-badge','title','photo-frame','bullet-list','mood-indicator'],
+    decorChance: 0.5,
+    layout: 'card',
+  },
+  quote: {
+    name: '金句语录',
+    widgets: ['title','scribble-underline','sticky-note','highlight-box'],
+    decorChance: 0.3,
+    layout: 'card',
+  },
+  recipe: {
+    name: '美食食谱',
+    widgets: ['sticker-badge','title','photo-frame','info-tag-row','bullet-list'],
+    decorChance: 0.7,
+    layout: 'card',
+  },
+  travel: {
+    name: '旅游攻略',
+    widgets: ['title','photo-frame','info-tag-row','bullet-list','mood-indicator'],
+    decorChance: 0.8,
+    layout: 'card',
+  },
+  lifestyle: {
+    name: '生活分享',
+    widgets: ['sticker-badge','title','photo-frame','mood-indicator','sticky-note'],
+    decorChance: 0.8,
+    layout: 'card',
+  },
+  study: {
+    name: '学习笔记',
+    widgets: ['title','gradient-stripe','bullet-list','highlight-box','info-tag-row'],
+    decorChance: 0.4,
+    layout: 'card',
+  },
+  general: {
+    name: '通用模板',
+    widgets: ['title','bullet-list','highlight-box'],
+    decorChance: 0.5,
+    layout: 'card',
+  },
+}
+
+// 情绪 → 配色和装饰偏好
+const MOOD_MAP = {
+  warm: { presetScheme: 'warm', decorPrefs: ['dot-grid:warm','gradient-stripe:warm-sunset','sticker-badge:hot'] },
+  elegant: { presetScheme: 'green', decorPrefs: ['dot-grid:mixed','gradient-stripe:forest','sticker-badge:free'] },
+  cool: { presetScheme: 'tech', decorPrefs: ['dot-grid:cool','gradient-stripe:cool-ocean','sticker-badge:top'] },
+  sweet: { presetScheme: 'rose', decorPrefs: ['dot-grid:mixed','gradient-stripe:rose-gold','sticker-badge:new'] },
+  neutral: { presetScheme: 'minimal', decorPrefs: ['dot-grid:large','gradient-stripe:warm-sunset','sticker-badge:hand'] },
+}
+
+// 自然语言关键词 → 内容类型
+const KEYWORD_MAP = {
+  tutorial: ['教程','攻略','指南','步骤','方法','如何','怎么','手把手','入门'],
+  review: ['测评','评测','推荐','值得买','避坑','踩雷','拔草','种草','开箱'],
+  quote: ['金句','语录','名言','说','一句话','文案','摘抄'],
+  recipe: ['食谱','美食','做饭','料理','烘焙','家常菜','甜品','饮料'],
+  travel: ['旅游','旅行','攻略','打卡','拍照','景点','路线','酒店'],
+  lifestyle: ['日常','生活','穿搭','护肤','化妆','好物','分享','记录'],
+  study: ['学习','笔记','读书','复习','考试','备考','打卡','计划'],
+}
+
+// 关键词 → widget覆盖
+const WIDGET_OVERRIDES = {
+  '打卡': { add: ['mood-indicator'], remove: [] },
+  '对比': { add: ['split-layout'], remove: ['bullet-list'] },
+  '好物': { add: ['photo-frame','sticker-badge','info-tag-row'], remove: [] },
+  '合集': { add: ['card-grid','photo-frame'], remove: ['bullet-list'] },
+  '读书': { add: ['highlight-box','sticky-note'], remove: ['photo-frame'] },
+  '快乐': { add: ['mood-indicator:happy','sticker-badge:hand'], remove: [] },
+  '干货': { add: ['bullet-list:star','highlight-box:green-marker'], remove: ['photo-frame'] },
+  '心情': { add: ['mood-indicator','sticky-note'], remove: ['info-tag-row'] },
+}
+
+// 解析自然语言 → 结构化意图
+export function parseIntent(text) {
+  if (!text) return CONTENT_PRESETS.general
+
+  // 检测内容类型
+  let contentType = 'general'
+  let maxScore = 0
+  for (const [type, keywords] of Object.entries(KEYWORD_MAP)) {
+    let score = 0
+    for (const kw of keywords) {
+      if (text.includes(kw)) score++
+    }
+    if (score > maxScore) {
+      maxScore = score
+      contentType = type
+    }
+  }
+
+  // 检测情绪
+  let mood = 'neutral'
+  if (/温馨|温暖|治愈|温柔|舒服/i.test(text)) mood = 'warm'
+  else if (/高级|文艺|优雅|质感|简约/i.test(text)) mood = 'elegant'
+  else if (/酷|科技|未来|赛博|暗黑/i.test(text)) mood = 'cool'
+  else if (/可爱|甜|少女|粉|软/i.test(text)) mood = 'sweet'
+
+  return { contentType, mood }
+}
+
+// 根据意图生成widget组合
+export function buildComposition(intent, options = {}) {
+  const { contentType, mood } = intent
+  const preset = { ...CONTENT_PRESETS[contentType] || CONTENT_PRESETS.general }
+
+  // 复制widget列表
+  let widgets = [...preset.widgets]
+
+  // 应用情绪装饰偏好
+  const moodPrefs = MOOD_MAP[mood] || MOOD_MAP.neutral
+
+  // 应用关键词覆盖
+  const text = options.text || ''
+  for (const [kw, override] of Object.entries(WIDGET_OVERRIDES)) {
+    if (text.includes(kw)) {
+      widgets = widgets.filter(w => !override.remove.includes(w))
+      for (const add of override.add) {
+        if (!widgets.includes(add)) widgets.push(add)
+      }
+    }
+  }
+
+  // 随机化：根据decorChance概率添加装饰widget
+  const decorWidgets = ['dot-grid','gradient-stripe','sticker-badge','hand-drawn-circle','corner-fold']
+  if (Math.random() < preset.decorChance) {
+    const decor = decorWidgets[Math.floor(Math.random() * decorWidgets.length)]
+    if (!widgets.includes(decor)) {
+      // 装饰widget放在前面或最后
+      widgets.unshift(decor)
+    }
+  }
+
+  // 随机决定是否加照片框
+  if (options.hasImage && !widgets.includes('photo-frame')) {
+    widgets.splice(2, 0, 'photo-frame')
+  }
+
+  // 构建组件栈
+  const stack = widgets.map(widgetId => {
+    const variant = options.specificVariants?.[widgetId] || randomVariant(widgetId)
+    return {
+      component: widgetId,
+      variant: variant?.id || 'default',
+      params: variant?.css ? { ...variant } : {},
+    }
+  })
+
+  return {
+    contentType,
+    mood,
+    presetName: preset.name,
+    scheme: moodPrefs.presetScheme,
+    layout: preset.layout,
+    stack,
+  }
+}