docs: 更新 README 致谢与参考说明

feat(sns): complete moments viewer with exact cache path resolution and rich media support

README.md

@@ -5,14 +5,13 @@
 <div align="center">
     <h1>WeChatDataAnalysis - 微信数据库解密与分析工具</h1>
     <p>一个专门用于微信4.x版本数据库解密的工具（支持聊天记录实时更新）</p>
-    <p><b>特别致谢</b>：<a href="https://github.com/ycccccccy/echotrace">echotrace</a>、<a href="https://github.com/hicccc77/WeFlow">WeFlow</a>（本项目大量功能参考其实现，提供了重要技术支持）</p>
+    <p><b>特别致谢</b>：<a href="https://github.com/H3CoF6">H3CoF6</a>（密钥与朋友圈等核心内容的技术支持）、<a href="https://github.com/ycccccccy/echotrace">echotrace</a>、<a href="https://github.com/hicccc77/WeFlow">WeFlow</a>（本项目大量功能参考其实现）</p>
     <img src="https://img.shields.io/github/v/tag/LifeArchiveProject/WeChatDataAnalysis" alt="Version" />
     <img src="https://img.shields.io/github/stars/LifeArchiveProject/WeChatDataAnalysis" alt="Stars" />
     <img src="https://gh-down-badges.linkof.link/LifeArchiveProject/WeChatDataAnalysis" alt="Downloads" />
     <img src="https://img.shields.io/github/forks/LifeArchiveProject/WeChatDataAnalysis" alt="Forks" />
     <a href="https://qm.qq.com/q/VQEQ7PcGkk"><img src="https://img.shields.io/badge/QQ%20Group-WeChatDataAnalysis-12B7F5?logo=tencentqq&logoColor=white" alt="QQ Group" /></a>
     <img src="https://img.shields.io/badge/Python-3776AB?logo=Python&logoColor=white" alt="Python" />
-    <img src="https://img.shields.io/badge/FastAPI-009688?logo=FastAPI&logoColor=white" alt="FastAPI" />
     <img src="https://img.shields.io/badge/Vue.js-4FC08D?logo=Vue.js&logoColor=white" alt="Vue.js" />
     <img src="https://img.shields.io/badge/SQLite-003B57?logo=SQLite&logoColor=white" alt="SQLite" />
 </div>
@@ -189,8 +188,6 @@ npm run dist
 
 本项目的开发过程中参考了以下优秀的开源项目和资源：
 
-### 主要参考项目
-
 1. **[echotrace](https://github.com/ycccccccy/echotrace)** - 微信数据解析/取证工具
    - 本项目大量功能参考并复用其实现思路，提供了重要技术支持
 
@@ -215,12 +212,6 @@ npm run dist
 7. **[wx-dat](https://github.com/waaaaashi/wx-dat)** - 微信图片密钥获取工具
    - 实现真正的无头获取图片密钥，不再依赖扫描微信内存与点击朋友圈大图
 
-8. **PR #24 贡献者 [H3CoF6](https://github.com/H3CoF6)** - 微信密钥获取能力增强
-   - 无第三方工具依赖实现微信密钥获取能力
-   - 实现数据库密钥获取：实现形式参考 [wx_key](https://github.com/ycccccccy/wx_key) 项目，完成 Python 预编译 wheel 封装，详情见 [py_wx_key](https://github.com/H3CoF6/py_wx_key)
-   - 特征码不在 C++ 内硬编码，而由 Python 模块传入，减少 wheel 更新次数
-   - 实现真正的无头获取图片密钥，不再依赖扫描微信内存（以及点击朋友圈大图），感谢项目 [wx-dat](https://github.com/waaaaashi/wx-dat)
-
 ## Star History
 
 [![Star History Chart](https://api.star-history.com/svg?repos=LifeArchiveProject/WeChatDataAnalysis&type=Date)](https://www.star-history.com/#LifeArchiveProject/WeChatDataAnalysis&Date)

frontend/app.vue

@@ -57,7 +57,12 @@ const contentClass = computed(() =>
     : 'flex-1 overflow-auto min-h-0'
 )
 
-const showSidebar = computed(() => !String(route.path || '').startsWith('/wrapped'))
+const showSidebar = computed(() => {
+  const path = String(route.path || '')
+  if (path === '/') return false
+  if (path === '/decrypt' || path === '/detection-result' || path === '/decrypt-result') return false
+  return !(path === '/wrapped' || path.startsWith('/wrapped/'))
+})
 </script>
 
 <style>

frontend/components/wrapped/cards/Card04EmojiUniverse.vue

@@ -0,0 +1,793 @@
+<template>
+  <div ref="cardRoot" class="h-full w-full">
+    <WrappedCardShell :card-id="card.id" :title="card.title" :narrative="''" :variant="variant">
+      <template #narrative>
+        <div class="mt-1 wrapped-body text-sm sm:text-base text-[#6F6F6F] leading-relaxed">
+          <p class="whitespace-normal">
+            <template v-for="(seg, idx) in narrativeSegments" :key="`n-${idx}`">
+              <img
+                v-if="seg.type === 'emoji'"
+                :src="seg.src"
+                class="inline-block align-[-0.18em] rounded-[3px] wx-inline-emoji"
+                :style="{ width: `${seg.sizeEm}em`, height: `${seg.sizeEm}em` }"
+                :alt="seg.alt || 'emoji'"
+              />
+              <img
+                v-else-if="seg.type === 'sticker'"
+                :src="seg.src"
+                class="inline-block align-[-0.16em] rounded-[4px] wx-inline-emoji"
+                :style="{ width: `${seg.sizeEm}em`, height: `${seg.sizeEm}em` }"
+                :alt="seg.alt || 'sticker'"
+              />
+              <span
+                v-else-if="seg.type === 'num'"
+                class="wrapped-number text-[#07C160] font-semibold"
+              >
+                {{ seg.content }}
+              </span>
+              <span v-else>{{ seg.content }}</span>
+            </template>
+          </p>
+        </div>
+      </template>
+
+      <div class="w-full -mt-1 sm:-mt-2">
+        <div class="grid grid-cols-1 lg:grid-cols-12 gap-2">
+          <div class="lg:col-span-7 space-y-2 sm:space-y-2.5">
+            <div class="rounded-2xl border border-[#EDEDED] bg-white/65 p-2.5 sm:p-3">
+              <div class="wrapped-label text-xs text-[#00000066]">高频表情卡堆（Vue Bits）</div>
+              <div v-if="stackCardsData.length > 0" class="mt-2">
+                <div class="relative h-[9.4rem] sm:h-[9.8rem] rounded-xl overflow-visible">
+                  <div class="absolute inset-0 flex items-center justify-center">
+                    <Stack
+                      :randomRotation="true"
+                      :sensitivity="180"
+                      :sendToBackOnClick="false"
+                      :cardDimensions="stackCardDimensions"
+                      :cardsData="stackCardsData"
+                    />
+                  </div>
+                </div>
+
+                <div class="mt-2 flex flex-col items-center justify-center text-center">
+                  <div class="wrapped-number text-base text-[#07C160] font-semibold leading-tight">
+                    {{ formatInt(Number(stackTopCount || 0)) }} 次
+                  </div>
+
+                  <div
+                    class="mt-0.5 inline-flex items-center gap-1.5 rounded-md bg-[#00000008] px-1.5 py-1 max-w-full"
+                    :title="heroStickerOwnerName ? `常发送给 ${heroStickerOwnerName}` : '常发送给：未知'"
+                  >
+                    <span class="w-4 h-4 rounded-md overflow-hidden bg-[#0000000d] flex items-center justify-center flex-shrink-0">
+                      <img
+                        v-if="heroStickerOwnerAvatarUrl && avatarOk.topStickerOwner"
+                        :src="heroStickerOwnerAvatarUrl"
+                        class="w-full h-full object-cover"
+                        alt="avatar"
+                        @error="avatarOk.topStickerOwner = false"
+                      />
+                      <span v-else class="wrapped-number text-[10px] text-[#00000066]">
+                        {{ avatarFallback(heroStickerOwnerName) }}
+                      </span>
+                    </span>
+                    <span class="wrapped-body text-[11px] text-[#00000080] truncate">
+                      常发送给 <span class="text-[#07C160] font-semibold">{{ heroStickerOwnerName || '未知' }}</span>
+                    </span>
+                  </div>
+
+                  <div class="mt-1 wrapped-label text-[10px] text-[#00000055]">拖动表情卡片翻一翻</div>
+                </div>
+              </div>
+              <div v-else class="mt-2 wrapped-body text-xs text-[#00000055]">
+                暂无可展示的高频表情图片。
+              </div>
+            </div>
+
+            <div class="rounded-2xl border border-[#EDEDED] bg-white/65 p-2.5 sm:p-3">
+              <div class="flex items-center justify-between gap-3">
+                <div class="wrapped-label text-xs text-[#00000066]">Emoji Top（小黄脸 + Unicode）</div>
+                <div class="flex items-center gap-2 flex-shrink-0">
+                  <span class="wrapped-label text-[10px] px-2 py-0.5 rounded-md border bg-[#07C160]/10 text-[#07C160] border-[#07C160]/25">
+                    小黄脸
+                  </span>
+                  <span class="wrapped-label text-[10px] px-2 py-0.5 rounded-md border bg-[#0EA5E9]/10 text-[#0EA5E9] border-[#0EA5E9]/25">
+                    Unicode
+                  </span>
+                </div>
+              </div>
+
+              <div v-if="emojiBubbleRows.length > 0" class="mt-2">
+                <div class="grid grid-cols-4 sm:grid-cols-8 gap-2 sm:gap-2.5 place-items-end">
+                  <div
+                    v-for="row in emojiBubbleRows"
+                    :key="row.id"
+                    class="min-w-0 flex flex-col items-center gap-1"
+                    :title="`${row.label} · ${formatInt(row.count)}次`"
+                  >
+                    <div
+                      class="flex items-center justify-center rounded-full shadow-sm"
+                      :class="row.kind === 'wechat' ? 'bg-[#07C160]/14' : 'bg-[#0EA5E9]/12'"
+                      :style="{ width: `${row.size}px`, height: `${row.size}px` }"
+                    >
+                      <img
+                        v-if="row.kind === 'wechat' && row.assetPath && emojiAssetOk[row.key] !== false"
+                        :src="resolveEmojiAsset(row.assetPath)"
+                        class="w-3/4 h-3/4 object-contain"
+                        alt="emoji"
+                        @error="emojiAssetOk[row.key] = false"
+                      />
+                      <span v-else class="text-xl leading-none">
+                        {{ row.kind === 'unicode' ? row.label : '🙂' }}
+                      </span>
+                    </div>
+                    <div
+                      class="wrapped-number text-[10px] font-semibold leading-none"
+                      :class="row.kind === 'wechat' ? 'text-[#07C160]' : 'text-[#0EA5E9]'"
+                    >
+                      {{ formatInt(row.count) }}
+                    </div>
+                  </div>
+                </div>
+              </div>
+              <div v-else class="mt-2 wrapped-body text-xs text-[#00000066]">
+                今年没有统计到可识别的 Emoji（小黄脸/Unicode）。
+              </div>
+            </div>
+          </div>
+
+          <div class="lg:col-span-5 h-full min-h-[20rem] sm:min-h-[21.5rem] rounded-2xl border border-[#EDEDED] bg-white/65 p-2.5 sm:p-3 relative overflow-hidden">
+            <div class="relative z-[1] h-full flex flex-col">
+              <div class="wrapped-label text-xs text-[#00000066]">斗图热力时段</div>
+              <div class="mt-1 wrapped-body text-sm text-[#000000e6]">
+                <template v-if="peakHour !== null && peakWeekdayName">
+                  高峰在
+                  <span class="wrapped-number text-[#07C160] font-semibold">{{ peakWeekdayName }} {{ peakHour }}:00</span>
+                </template>
+                <template v-else>
+                  今年没有明显的斗图高峰时段
+                </template>
+              </div>
+
+              <div class="mt-2.5 h-16 sm:h-20 flex items-end gap-[2px]">
+                <div
+                  v-for="item in hourBars"
+                  :key="`hour-${item.hour}`"
+                  class="flex-1 min-w-0 rounded-sm bg-[#07C160]/20"
+                  :style="{ height: `${item.heightPct}%` }"
+                  :title="`${item.hour}:00 · ${formatInt(item.count)}次`"
+                />
+              </div>
+              <div class="mt-1.5 flex items-center justify-between wrapped-label text-[10px] text-[#00000055]">
+                <span>00</span>
+                <span>06</span>
+                <span>12</span>
+                <span>18</span>
+                <span>23</span>
+              </div>
+
+              <div class="mt-3 rounded-xl border border-[#EDEDED] bg-white/60 p-2.5 flex-1 flex flex-col">
+                <div class="wrapped-label text-[11px] text-[#00000066]">表情新鲜度</div>
+                <div class="mt-2 grid grid-cols-1 gap-2.5">
+                  <div class="rounded-lg bg-[#07C160]/10 px-3 py-2.5 flex items-center justify-between gap-3">
+                    <div class="min-w-0">
+                      <div class="wrapped-label text-[11px] text-[#00000066]">年度新解锁</div>
+                      <div class="mt-1.5 wrapped-number text-lg text-[#07C160] font-semibold leading-tight">
+                        {{ formatInt(newStickerCountThisYear) }}
+                      </div>
+                      <div class="wrapped-label text-[11px] text-[#00000055]">
+                        占类型 {{ newStickerSharePct }}%
+                      </div>
+                    </div>
+                    <div v-if="newStickerDecorDisplayItems.length > 0" class="grid grid-cols-3 gap-2 flex-shrink-0">
+                      <div
+                        v-for="item in newStickerDecorDisplayItems"
+                        :key="`new-chip-${item.id}`"
+                        class="w-11 h-11 sm:w-12 sm:h-12 rounded-[10px] overflow-hidden ring-1 ring-[#00000014] bg-white/60"
+                      >
+                        <img
+                          v-if="item.src && stickerDecorOk[item.id] !== false"
+                          :src="item.src"
+                          class="w-full h-full object-cover"
+                          alt=""
+                          @error="stickerDecorOk[item.id] = false"
+                        />
+                      </div>
+                    </div>
+                  </div>
+
+                  <div class="rounded-lg bg-[#0EA5E9]/10 px-3 py-2.5 flex items-center justify-between gap-3">
+                    <div class="min-w-0">
+                      <div class="wrapped-label text-[11px] text-[#00000066]">回温表情</div>
+                      <div class="mt-1.5 wrapped-number text-lg text-[#0EA5E9] font-semibold leading-tight">
+                        {{ formatInt(revivedStickerCount) }}
+                      </div>
+                      <div class="wrapped-label text-[11px] text-[#00000055] leading-tight">
+                        间隔≥{{ formatInt(revivedMinGapDays) }}天，最长 {{ formatInt(revivedMaxGapDays) }} 天
+                      </div>
+                    </div>
+                    <div v-if="revivedStickerDecorDisplayItems.length > 0" class="grid grid-cols-3 gap-2 flex-shrink-0">
+                      <div
+                        v-for="item in revivedStickerDecorDisplayItems"
+                        :key="`rev-chip-${item.id}`"
+                        class="w-11 h-11 sm:w-12 sm:h-12 rounded-[10px] overflow-hidden ring-1 ring-[#00000014] bg-white/60"
+                      >
+                        <img
+                          v-if="item.src && stickerDecorOk[item.id] !== false"
+                          :src="item.src"
+                          class="w-full h-full object-cover"
+                          alt=""
+                          @error="stickerDecorOk[item.id] = false"
+                        />
+                      </div>
+                    </div>
+                  </div>
+                </div>
+
+                <div class="mt-2 wrapped-body text-[11px] text-[#00000066]">
+                  今年共用过 <span class="wrapped-number text-[#07C160] font-semibold">{{ formatInt(uniqueStickerTypeCount) }}</span> 种表情，
+                  回温占比 <span class="wrapped-number text-[#0EA5E9] font-semibold">{{ revivedStickerSharePct }}</span>%。
+                </div>
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+    </WrappedCardShell>
+
+    <Teleport to="body">
+      <div v-if="cursorFxEnabled && isCardVisible && cursorTrails.length > 0" class="emoji-cursor-layer" aria-hidden="true">
+        <img
+          v-for="item in cursorTrails"
+          :key="item.id"
+          class="emoji-cursor-item"
+          :style="{
+            left: `${item.x}px`,
+            top: `${item.y}px`,
+            width: `${item.size}px`,
+            height: `${item.size}px`,
+            '--drift-x': `${item.driftX}px`,
+            '--drift-y': `${item.driftY}px`
+          }"
+          :src="item.src"
+          alt=""
+          draggable="false"
+        />
+      </div>
+    </Teleport>
+  </div>
+</template>
+
+<script setup>
+import { computed, onBeforeUnmount, onMounted, reactive, ref, watch } from 'vue'
+import Stack from '~/components/wrapped/shared/VueBitsStack.vue'
+import WechatEmojiTable, { parseTextWithEmoji } from '~/utils/wechat-emojis'
+
+const props = defineProps({
+  card: { type: Object, required: true },
+  variant: { type: String, default: 'panel' } // 'panel' | 'slide'
+})
+
+const nfInt = new Intl.NumberFormat('zh-CN', { maximumFractionDigits: 0 })
+const formatInt = (n) => nfInt.format(Math.round(Number(n) || 0))
+
+const mediaBase = process.client ? 'http://localhost:8000' : ''
+const resolveMediaUrl = (value, opts = { backend: false }) => {
+  const raw = String(value || '').trim()
+  if (!raw) return ''
+  if (/^https?:\/\//i.test(raw)) {
+    try {
+      const host = new URL(raw).hostname.toLowerCase()
+      if (host.endsWith('.qpic.cn') || host.endsWith('.qlogo.cn')) {
+        return `${mediaBase}/api/chat/media/proxy_image?url=${encodeURIComponent(raw)}`
+      }
+    } catch {}
+    return raw
+  }
+  if (opts.backend || raw.startsWith('/api/')) {
+    return `${mediaBase}${raw.startsWith('/') ? '' : '/'}${raw}`
+  }
+  return raw.startsWith('/') ? raw : `/${raw}`
+}
+
+const resolveEmojiAsset = (value) => {
+  const raw = String(value || '').trim()
+  if (!raw) return ''
+  if (/^https?:\/\//i.test(raw)) return raw
+  if (raw.startsWith('/wxemoji/')) return raw
+  if (raw.startsWith('/')) return raw
+  return `/wxemoji/${raw}`
+}
+
+const resolveStickerUrl = (st) => {
+  const remote = resolveMediaUrl(st?.emojiUrl, { backend: true })
+  if (remote) return remote
+  const asset = resolveEmojiAsset(st?.emojiAssetPath)
+  return asset || ''
+}
+
+const splitTextByNumbers = (text) => {
+  const raw = String(text || '')
+  if (!raw) return []
+  const parts = raw.split(/(\d[\d,.]*)/g)
+  const out = []
+  for (const p of parts) {
+    if (!p) continue
+    if (/^\d[\d,.]*$/.test(p)) out.push({ type: 'num', content: p })
+    else out.push({ type: 'text', content: p })
+  }
+  return out
+}
+
+const appendParsedText = (segments, text) => {
+  const parsed = parseTextWithEmoji(String(text || ''))
+  for (const seg of parsed) {
+    if (seg?.type === 'emoji' && seg.emojiSrc) {
+      segments.push({
+        type: 'emoji',
+        src: resolveEmojiAsset(seg.emojiSrc),
+        alt: seg.content || 'emoji',
+        sizeEm: 1.12
+      })
+      continue
+    }
+    const inner = splitTextByNumbers(seg?.content || '')
+    for (const x of inner) segments.push(x)
+  }
+}
+
+const sentStickerCount = computed(() => Number(props.card?.data?.sentStickerCount || 0))
+const stickerActiveDays = computed(() => Number(props.card?.data?.stickerActiveDays || 0))
+const peakHour = computed(() => {
+  const h = props.card?.data?.peakHour
+  return Number.isFinite(Number(h)) ? Number(h) : null
+})
+const peakWeekdayName = computed(() => String(props.card?.data?.peakWeekdayName || '').trim())
+
+const stickerPerActiveDayText = computed(() => {
+  const v = Number(props.card?.data?.stickerPerActiveDay || 0)
+  return Number.isFinite(v) ? v.toFixed(1) : '0.0'
+})
+const uniqueStickerTypeCount = computed(() => Number(props.card?.data?.uniqueStickerTypeCount || 0))
+const newStickerCountThisYear = computed(() => Number(props.card?.data?.newStickerCountThisYear || 0))
+const revivedStickerCount = computed(() => Number(props.card?.data?.revivedStickerCount || 0))
+const revivedMinGapDays = computed(() => Number(props.card?.data?.revivedMinGapDays || 60))
+const revivedMaxGapDays = computed(() => Number(props.card?.data?.revivedMaxGapDays || 0))
+const newStickerSharePct = computed(() => {
+  const v = Number(props.card?.data?.newStickerShare)
+  if (Number.isFinite(v) && v >= 0) return Math.max(0, Math.min(100, Math.round(v * 100)))
+  const total = Math.max(0, Number(uniqueStickerTypeCount.value || 0))
+  if (total <= 0) return 0
+  return Math.max(0, Math.min(100, Math.round((Number(newStickerCountThisYear.value || 0) / total) * 100)))
+})
+const revivedStickerSharePct = computed(() => {
+  const v = Number(props.card?.data?.revivedStickerShare)
+  if (Number.isFinite(v) && v >= 0) return Math.max(0, Math.min(100, Math.round(v * 100)))
+  const total = Math.max(0, Number(uniqueStickerTypeCount.value || 0))
+  if (total <= 0) return 0
+  return Math.max(0, Math.min(100, Math.round((Number(revivedStickerCount.value || 0) / total) * 100)))
+})
+const newStickerSamples = computed(() => {
+  const arr = props.card?.data?.newStickerSamples
+  return Array.isArray(arr) ? arr : []
+})
+const revivedStickerSamples = computed(() => {
+  const arr = props.card?.data?.revivedStickerSamples
+  return Array.isArray(arr) ? arr : []
+})
+
+const buildDecorStickerItems = (rows, prefix) => {
+  const out = []
+  const seen = new Set()
+  for (let idx = 0; idx < rows.length; idx += 1) {
+    const st = rows[idx] || {}
+    const rawId = String(st?.md5 || st?.emojiAssetPath || st?.emojiUrl || `${prefix}-${idx}`).trim()
+    if (!rawId || seen.has(rawId)) continue
+    seen.add(rawId)
+    out.push({
+      id: `${prefix}-${rawId}`,
+      src: resolveStickerUrl(st),
+      count: Math.max(0, Number(st?.count || 0)),
+      gapDays: Math.max(0, Number(st?.gapDays || 0))
+    })
+    if (out.length >= 4) break
+  }
+  return out
+}
+
+const topStickers = computed(() => {
+  const arr = props.card?.data?.topStickers
+  return Array.isArray(arr) ? arr : []
+})
+
+const newStickerDecorItems = computed(() => buildDecorStickerItems(newStickerSamples.value, 'new'))
+const revivedStickerDecorItems = computed(() => buildDecorStickerItems(revivedStickerSamples.value, 'revived'))
+const topStickerDecorItems = computed(() => buildDecorStickerItems(topStickers.value, 'top'))
+const toRenderableDecor = (items) => items.filter((x) => String(x?.src || '').trim())
+const decorFallbackPool = computed(() => {
+  const out = []
+  const seen = new Set()
+  for (const item of [
+    ...toRenderableDecor(newStickerDecorItems.value),
+    ...toRenderableDecor(revivedStickerDecorItems.value),
+    ...toRenderableDecor(topStickerDecorItems.value)
+  ]) {
+    const key = String(item?.src || '').trim()
+    if (!key || seen.has(key)) continue
+    seen.add(key)
+    out.push(item)
+    if (out.length >= 6) break
+  }
+  return out
+})
+const newStickerDecorDisplayItems = computed(() => {
+  const own = toRenderableDecor(newStickerDecorItems.value).slice(0, 3)
+  if (own.length > 0) return own
+  return decorFallbackPool.value.slice(0, 3)
+})
+const revivedStickerDecorDisplayItems = computed(() => {
+  const own = toRenderableDecor(revivedStickerDecorItems.value).slice(0, 3)
+  if (own.length > 0) return own
+  const fallback = decorFallbackPool.value.slice(3, 6)
+  return fallback.length > 0 ? fallback : decorFallbackPool.value.slice(0, 3)
+})
+
+const heroSticker = computed(() => {
+  const arr = topStickers.value
+  return Array.isArray(arr) && arr.length > 0 ? arr[0] : null
+})
+
+const heroStickerUrl = computed(() => resolveStickerUrl(heroSticker.value))
+const heroStickerOwnerName = computed(() => String(heroSticker.value?.sampleDisplayName || heroSticker.value?.sampleUsername || '').trim())
+const heroStickerOwnerAvatarUrl = computed(() => resolveMediaUrl(heroSticker.value?.sampleAvatarUrl, { backend: true }))
+
+const stackCardDimensions = { width: 140, height: 140 }
+
+const stackCardsData = computed(() => {
+  const seen = new Set()
+  const out = []
+  for (const st of topStickers.value) {
+    const key = String(st?.md5 || st?.emojiAssetPath || st?.emojiUrl || '').trim()
+    if (!key || seen.has(key)) continue
+    const src = resolveStickerUrl(st)
+    if (!src) continue
+    seen.add(key)
+    out.push({ id: key, img: src })
+    if (out.length >= 4) break
+  }
+  if (out.length > 0) return out
+  return allWechatEmojiAssets.value.slice(0, 4).map((img, idx) => ({ id: `wx-${idx}`, img }))
+})
+
+const stackTopCount = computed(() => Number(heroSticker.value?.count || 0))
+
+const hourBars = computed(() => {
+  const raw = Array.isArray(props.card?.data?.stickerHourCounts) ? props.card.data.stickerHourCounts : []
+  const counts = Array.from({ length: 24 }, (_, i) => Math.max(0, Number(raw[i] || 0)))
+  const maxV = Math.max(1, ...counts)
+  return counts.map((count, hour) => ({
+    hour,
+    count,
+    heightPct: Math.max(8, Math.round((count / maxV) * 100))
+  }))
+})
+
+const topTextEmojis = computed(() => {
+  const arr = props.card?.data?.topTextEmojis
+  return Array.isArray(arr) ? arr : []
+})
+const topWechatEmojis = computed(() => {
+  const arr = props.card?.data?.topWechatEmojis
+  return Array.isArray(arr) ? arr : []
+})
+const topUnicodeEmojis = computed(() => {
+  const arr = props.card?.data?.topUnicodeEmojis
+  return Array.isArray(arr) ? arr : []
+})
+
+const smallWechatEmojiChips = computed(() => {
+  if (topWechatEmojis.value.length > 0) {
+    return topWechatEmojis.value.map((x) => ({
+      key: String(x?.key || ''),
+      count: Number(x?.count || 0),
+      assetPath: String(x?.assetPath || '')
+    }))
+  }
+  return topTextEmojis.value.map((x) => ({
+    key: String(x?.key || ''),
+    count: Number(x?.count || 0),
+    assetPath: String(x?.assetPath || '')
+  }))
+})
+
+const emojiAssetOk = reactive({})
+watch(
+  smallWechatEmojiChips,
+  (arr) => {
+    for (const k of Object.keys(emojiAssetOk)) delete emojiAssetOk[k]
+    if (!Array.isArray(arr)) return
+    for (const em of arr) {
+      const key = String(em?.key || '').trim()
+      if (key) emojiAssetOk[key] = true
+    }
+  },
+  { immediate: true }
+)
+
+const emojiChartRows = computed(() => {
+  const wechat = smallWechatEmojiChips.value
+    .slice(0, 4)
+    .map((x, idx) => ({
+      id: `w-${String(x?.key || idx)}`,
+      kind: 'wechat',
+      key: String(x?.key || idx),
+      label: String(x?.key || '').trim() || '微信表情',
+      count: Math.max(0, Number(x?.count || 0)),
+      assetPath: String(x?.assetPath || '').trim()
+    }))
+
+  const unicode = topUnicodeEmojis.value
+    .slice(0, 4)
+    .map((x, idx) => ({
+      id: `u-${String(x?.emoji || idx)}`,
+      kind: 'unicode',
+      key: String(x?.emoji || idx),
+      label: String(x?.emoji || '').trim() || '😀',
+      count: Math.max(0, Number(x?.count || 0)),
+      assetPath: ''
+    }))
+
+  const rows = [...wechat, ...unicode].filter((x) => x.count > 0 && x.label)
+  const maxV = Math.max(1, ...rows.map((x) => x.count))
+  return rows
+    .sort((a, b) => b.count - a.count)
+    .map((x) => ({
+      ...x,
+      pct: Math.max(8, Math.round((x.count / maxV) * 100))
+    }))
+})
+
+const emojiBubbleRows = computed(() => {
+  const rows = emojiChartRows.value
+  if (!rows.length) return []
+  const maxV = Math.max(1, ...rows.map((x) => x.count))
+  return rows.map((x) => {
+    const ratio = Math.max(0, Math.min(1, x.count / maxV))
+    const size = Math.round(32 + Math.sqrt(ratio) * 36)
+    return { ...x, size: Math.max(28, Math.min(72, size)) }
+  })
+})
+
+const stickerDecorOk = reactive({})
+watch(
+  () => [...newStickerDecorItems.value, ...revivedStickerDecorItems.value],
+  (arr) => {
+    for (const k of Object.keys(stickerDecorOk)) delete stickerDecorOk[k]
+    if (!Array.isArray(arr)) return
+    for (const x of arr) {
+      const key = String(x?.id || '').trim()
+      if (key) stickerDecorOk[key] = true
+    }
+  },
+  { immediate: true }
+)
+
+const avatarOk = reactive({ topStickerOwner: true })
+watch(heroStickerOwnerAvatarUrl, () => { avatarOk.topStickerOwner = true })
+
+const avatarFallback = (name) => {
+  const s = String(name || '').trim()
+  return s ? s[0] : '?'
+}
+
+const narrativeSegments = computed(() => {
+  const out = []
+
+  if (sentStickerCount.value > 0) {
+    appendParsedText(
+      out,
+      `这一年，你用 ${formatInt(sentStickerCount.value)} 张表情包把聊天变得更有温度；在 ${formatInt(
+        stickerActiveDays.value
+      )} 个活跃日里，日均 ${stickerPerActiveDayText.value} 张。`
+    )
+  } else {
+    appendParsedText(out, '这一年你几乎没发过表情包。')
+  }
+
+  if (peakHour.value !== null && peakWeekdayName.value) {
+    appendParsedText(out, `你最活跃的时刻是 ${peakWeekdayName.value} ${peakHour.value}:00。`)
+  }
+
+  let hasTail = false
+  if (heroSticker.value) {
+    appendParsedText(out, '年度 C 位表情是 ')
+    if (heroStickerUrl.value) {
+      out.push({ type: 'sticker', src: heroStickerUrl.value, alt: '年度 C 位表情', sizeEm: 1.22 })
+    } else {
+      appendParsedText(out, '（图片缺失）')
+    }
+    appendParsedText(out, `（${formatInt(Number(heroSticker.value?.count || 0))} 次）`)
+    hasTail = true
+  }
+
+  const topWechat = topWechatEmojis.value[0]
+  const topText = topTextEmojis.value[0]
+  if (topWechat) {
+    appendParsedText(out, `${hasTail ? '，' : ''}你最常用的小黄脸是 `)
+    if (topWechat.assetPath) {
+      out.push({
+        type: 'emoji',
+        src: resolveEmojiAsset(topWechat.assetPath),
+        alt: topWechat.key || 'emoji',
+        sizeEm: 1.16
+      })
+    } else {
+      appendParsedText(out, topWechat.key || '')
+    }
+    appendParsedText(out, `（${formatInt(Number(topWechat.count || 0))} 次）`)
+    hasTail = true
+  } else if (topText) {
+    appendParsedText(out, `${hasTail ? '，' : ''}在文字聊天里，你最常打的小黄脸是 `)
+    if (topText.assetPath) {
+      out.push({
+        type: 'emoji',
+        src: resolveEmojiAsset(topText.assetPath),
+        alt: topText.key || 'emoji',
+        sizeEm: 1.16
+      })
+    } else {
+      appendParsedText(out, topText.key || '')
+    }
+    appendParsedText(out, `（${formatInt(Number(topText.count || 0))} 次）`)
+    hasTail = true
+  } else {
+    appendParsedText(out, `${hasTail ? '，' : ''}今年没有命中可识别的小黄脸`)
+    hasTail = true
+  }
+
+  const topUnicode = topUnicodeEmojis.value[0]
+  if (topUnicode) {
+    appendParsedText(
+      out,
+      `${hasTail ? '，' : ''}普通 Emoji 最常用 ${topUnicode.emoji}（${formatInt(Number(topUnicode.count || 0))} 次）。`
+    )
+  } else if (hasTail) {
+    appendParsedText(out, '。')
+  }
+  return out
+})
+
+const cardRoot = ref(null)
+const isCardVisible = ref(false)
+const cursorTrails = ref([])
+const cursorFxEnabled = ref(true)
+const allWechatEmojiAssets = computed(() => {
+  const values = Object.values(WechatEmojiTable || {})
+  const uniq = new Set()
+  for (const x of values) {
+    const p = resolveEmojiAsset(String(x || '').trim())
+    if (p) uniq.add(p)
+  }
+  return Array.from(uniq)
+})
+
+let trailSeq = 0
+let lastSpawnAt = 0
+let lastSpawnX = -9999
+let lastSpawnY = -9999
+const TRAIL_LIFETIME_MS = 780
+const MIN_SPAWN_INTERVAL_MS = 28
+const MIN_SPAWN_DISTANCE = 10
+const MAX_TRAIL_COUNT = 32
+
+const checkCardVisible = () => {
+  if (!process.client) return false
+  const rect = cardRoot.value?.getBoundingClientRect?.()
+  if (!rect) return false
+  const vh = window.innerHeight || 0
+  const vw = window.innerWidth || 0
+  return rect.bottom > vh * 0.12 && rect.top < vh * 0.88 && rect.right > 0 && rect.left < vw
+}
+
+const spawnCursorTrail = (x, y) => {
+  const pool = allWechatEmojiAssets.value
+  if (!pool.length) return
+  const src = pool[Math.floor(Math.random() * pool.length)]
+  const item = {
+    id: ++trailSeq,
+    x,
+    y,
+    src,
+    size: 18 + Math.floor(Math.random() * 8),
+    driftX: Math.round((Math.random() - 0.5) * 30),
+    driftY: 20 + Math.floor(Math.random() * 20)
+  }
+  cursorTrails.value = [...cursorTrails.value.slice(-MAX_TRAIL_COUNT), item]
+  setTimeout(() => {
+    cursorTrails.value = cursorTrails.value.filter((t) => t.id !== item.id)
+  }, TRAIL_LIFETIME_MS)
+}
+
+const onWindowPointerMove = (e) => {
+  if (!process.client || !cursorFxEnabled.value) return
+  if (e?.pointerType === 'touch') return
+  const visible = checkCardVisible()
+  isCardVisible.value = visible
+  if (!visible) return
+
+  const x = Number(e.clientX)
+  const y = Number(e.clientY)
+  if (!Number.isFinite(x) || !Number.isFinite(y)) return
+
+  const now = performance.now()
+  const dx = x - lastSpawnX
+  const dy = y - lastSpawnY
+  const dist = Math.hypot(dx, dy)
+  if ((now - lastSpawnAt) < MIN_SPAWN_INTERVAL_MS && dist < MIN_SPAWN_DISTANCE) return
+
+  lastSpawnAt = now
+  lastSpawnX = x
+  lastSpawnY = y
+  spawnCursorTrail(x, y)
+}
+
+const onWindowPointerLeave = () => {
+  lastSpawnX = -9999
+  lastSpawnY = -9999
+}
+
+onMounted(() => {
+  if (!process.client) return
+  try {
+    const mq = window.matchMedia('(prefers-reduced-motion: reduce)')
+    cursorFxEnabled.value = !mq.matches
+  } catch {
+    cursorFxEnabled.value = true
+  }
+  isCardVisible.value = checkCardVisible()
+  window.addEventListener('pointermove', onWindowPointerMove, { passive: true })
+  window.addEventListener('pointerleave', onWindowPointerLeave, { passive: true })
+})
+
+onBeforeUnmount(() => {
+  if (process.client) {
+    window.removeEventListener('pointermove', onWindowPointerMove)
+    window.removeEventListener('pointerleave', onWindowPointerLeave)
+  }
+  cursorTrails.value = []
+})
+</script>
+
+<style scoped>
+.wx-inline-emoji {
+  object-fit: contain;
+}
+
+.emoji-cursor-layer {
+  position: fixed;
+  inset: 0;
+  pointer-events: none;
+  overflow: hidden;
+  z-index: 80;
+}
+
+.emoji-cursor-item {
+  position: fixed;
+  pointer-events: none;
+  user-select: none;
+  transform: translate(-50%, -50%);
+  opacity: 0.94;
+  animation: emoji-cursor-float 780ms ease-out forwards;
+  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.18));
+}
+
+@keyframes emoji-cursor-float {
+  0% {
+    opacity: 0.94;
+    transform: translate(-50%, -50%) scale(0.88);
+  }
+  100% {
+    opacity: 0;
+    transform: translate(calc(-50% + var(--drift-x)), calc(-50% - var(--drift-y))) scale(1.16);
+  }
+}
+</style>

frontend/components/wrapped/shared/VueBitsStack.vue

@@ -0,0 +1,294 @@
+<template>
+  <div class="vb-stack relative select-none" :style="stackStyle">
+    <div
+      v-for="(card, index) in cards"
+      :key="String(card.id)"
+      class="vb-stack-card absolute top-1/2 left-1/2 overflow-hidden rounded-2xl bg-white/80 shadow-sm"
+      :style="{
+        width: `${dims.width}px`,
+        height: `${dims.height}px`,
+        touchAction: index === cards.length - 1 ? 'none' : 'auto',
+        pointerEvents: index === cards.length - 1 ? 'auto' : 'none'
+      }"
+      :ref="(el) => onCardRef(card.id, el)"
+      @pointerdown="(e) => onPointerDown(e, card.id, index)"
+      @pointermove="onPointerMove"
+      @pointerup="onPointerUp"
+      @pointercancel="onPointerCancel"
+    >
+      <img :src="card.img" class="w-full h-full object-cover" alt="" draggable="false" />
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { computed, nextTick, onMounted, ref, watch } from 'vue'
+import { gsap } from 'gsap'
+
+type StackCard = {
+  id: string | number
+  img: string
+}
+
+const props = withDefaults(
+  defineProps<{
+    randomRotation?: boolean
+    sensitivity?: number
+    sendToBackOnClick?: boolean
+    cardDimensions?: { width?: number; height?: number }
+    cardsData?: StackCard[]
+  }>(),
+  {
+    randomRotation: false,
+    sensitivity: 180,
+    sendToBackOnClick: true,
+    cardDimensions: () => ({ width: 200, height: 200 }),
+    cardsData: () => []
+  }
+)
+
+const dims = computed(() => {
+  const w = Number(props.cardDimensions?.width)
+  const h = Number(props.cardDimensions?.height)
+  return {
+    width: Number.isFinite(w) && w > 0 ? Math.floor(w) : 200,
+    height: Number.isFinite(h) && h > 0 ? Math.floor(h) : 200
+  }
+})
+
+const stackStyle = computed(() => ({
+  width: `${dims.value.width}px`,
+  height: `${dims.value.height}px`
+}))
+
+const cards = ref<StackCard[]>([])
+const elMap = new Map<string, HTMLDivElement>()
+const rotationMap = ref(new Map<string, number>())
+const mounted = ref(false)
+
+const ROT_RANGE_DEG = 7
+const STACK_OFFSET_X = 2
+const STACK_OFFSET_Y = 4
+const STACK_SCALE_STEP = 0.03
+const MAX_TILT_DEG = 22
+
+function normalizeCards(data: unknown): StackCard[] {
+  const raw = Array.isArray(data) ? data : []
+  const out: StackCard[] = []
+  for (const item of raw) {
+    const id = (item as any)?.id
+    const img = String((item as any)?.img || '').trim()
+    if (id === null || id === undefined) continue
+    if (!img) continue
+    out.push({ id, img })
+  }
+  return out
+}
+
+function ensureRotations(list: StackCard[]) {
+  const next = new Map(rotationMap.value)
+  if (!props.randomRotation) {
+    for (const c of list) next.set(String(c.id), 0)
+    rotationMap.value = next
+    return
+  }
+  for (const c of list) {
+    const key = String(c.id)
+    if (next.has(key)) continue
+    next.set(key, Math.round((Math.random() * 2 - 1) * ROT_RANGE_DEG))
+  }
+  rotationMap.value = next
+}
+
+function onCardRef(id: StackCard['id'], el: Element | null) {
+  const key = String(id)
+  if (el && el instanceof HTMLDivElement) elMap.set(key, el)
+  else elMap.delete(key)
+}
+
+function applyLayout(animate: boolean) {
+  if (!mounted.value) return
+  const total = cards.value.length
+  if (total === 0) return
+
+  cards.value.forEach((card, idx) => {
+    const key = String(card.id)
+    const el = elMap.get(key)
+    if (!el) return
+
+    const orderFromTop = total - 1 - idx
+    const x = orderFromTop * STACK_OFFSET_X
+    const y = orderFromTop * STACK_OFFSET_Y
+    const scale = Math.max(0.88, 1 - orderFromTop * STACK_SCALE_STEP)
+    const rotation = rotationMap.value.get(key) ?? 0
+
+    const tweenVars: gsap.TweenVars = {
+      x,
+      y,
+      rotation,
+      rotationX: 0,
+      rotationY: 0,
+      scale,
+      xPercent: -50,
+      yPercent: -50,
+      zIndex: idx + 1,
+      transformOrigin: 'center center',
+      ease: 'power3.out',
+      duration: animate ? 0.32 : 0
+    }
+
+    gsap.killTweensOf(el)
+    if (animate) gsap.to(el, tweenVars)
+    else gsap.set(el, tweenVars)
+  })
+}
+
+watch(
+  () => props.cardsData,
+  (val) => {
+    const nextCards = normalizeCards(val)
+    cards.value = nextCards
+    ensureRotations(nextCards)
+    nextTick(() => applyLayout(false))
+  },
+  { immediate: true }
+)
+
+watch(
+  () => [props.randomRotation, props.cardDimensions?.width, props.cardDimensions?.height] as const,
+  () => {
+    ensureRotations(cards.value)
+    nextTick(() => applyLayout(false))
+  }
+)
+
+onMounted(() => {
+  mounted.value = true
+  applyLayout(false)
+})
+
+const clamp = (v: number, min: number, max: number) => Math.min(max, Math.max(min, v))
+
+let activePointerId: number | null = null
+let activeCardId: string | null = null
+let startClientX = 0
+let startClientY = 0
+let startX = 0
+let startY = 0
+let startRotationZ = 0
+let startScale = 1
+let lastDx = 0
+let lastDy = 0
+
+function sendToBack(id: string) {
+  if (cards.value.length < 2) return
+  const list = cards.value.slice()
+  const idx = list.findIndex((c) => String(c.id) === id)
+  if (idx < 0) return
+  const [card] = list.splice(idx, 1)
+  if (!card) return
+  cards.value = [card, ...list]
+}
+
+function onPointerDown(e: PointerEvent, id: StackCard['id'], index: number) {
+  if (activePointerId !== null) return
+  if (index !== cards.value.length - 1) return
+
+  const key = String(id)
+  const el = elMap.get(key)
+  if (!el) return
+
+  activePointerId = e.pointerId
+  activeCardId = key
+  startClientX = e.clientX
+  startClientY = e.clientY
+  startX = Number(gsap.getProperty(el, 'x')) || 0
+  startY = Number(gsap.getProperty(el, 'y')) || 0
+  startRotationZ = Number(gsap.getProperty(el, 'rotation')) || 0
+  startScale = Number(gsap.getProperty(el, 'scale')) || 1
+  lastDx = 0
+  lastDy = 0
+
+  try {
+    el.setPointerCapture(e.pointerId)
+  } catch {}
+
+  gsap.killTweensOf(el)
+  gsap.set(el, { zIndex: 999 })
+  gsap.to(el, { scale: startScale * 1.03, duration: 0.12, ease: 'power2.out' })
+}
+
+function onPointerMove(e: PointerEvent) {
+  if (activePointerId === null || e.pointerId !== activePointerId) return
+  const key = activeCardId
+  if (!key) return
+  const el = elMap.get(key)
+  if (!el) return
+
+  const dx = e.clientX - startClientX
+  const dy = e.clientY - startClientY
+  lastDx = dx
+  lastDy = dy
+
+  const w = Math.max(1, dims.value.width)
+  const h = Math.max(1, dims.value.height)
+  const nx = dx / (w * 0.55)
+  const ny = dy / (h * 0.55)
+  const tiltY = clamp(Math.tanh(nx) * MAX_TILT_DEG, -MAX_TILT_DEG, MAX_TILT_DEG)
+  const tiltX = clamp(-Math.tanh(ny) * MAX_TILT_DEG, -MAX_TILT_DEG, MAX_TILT_DEG)
+
+  gsap.set(el, {
+    x: startX + dx,
+    y: startY + dy,
+    rotation: startRotationZ + dx / 18,
+    rotationX: tiltX,
+    rotationY: tiltY
+  })
+}
+
+function finishPointer(id: number, shouldSendBack: boolean) {
+  const key = activeCardId
+  activePointerId = null
+  activeCardId = null
+
+  const el = key ? elMap.get(key) : null
+  if (el) {
+    try {
+      el.releasePointerCapture(id)
+    } catch {}
+  }
+
+  if (shouldSendBack && key) sendToBack(key)
+  applyLayout(true)
+}
+
+function onPointerUp(e: PointerEvent) {
+  if (activePointerId === null || e.pointerId !== activePointerId) return
+  const dist = Math.hypot(lastDx, lastDy)
+  const clickLike = dist < 6
+  const shouldSendBack = dist > Number(props.sensitivity || 0) || (props.sendToBackOnClick && clickLike)
+  finishPointer(e.pointerId, shouldSendBack)
+}
+
+function onPointerCancel(e: PointerEvent) {
+  if (activePointerId === null || e.pointerId !== activePointerId) return
+  finishPointer(e.pointerId, false)
+}
+</script>
+
+<style scoped>
+.vb-stack {
+  perspective: 1000px;
+}
+
+.vb-stack-card {
+  will-change: transform;
+  transform-style: preserve-3d;
+  backface-visibility: hidden;
+  cursor: grab;
+}
+
+.vb-stack-card:active {
+  cursor: grabbing;
+}
+</style>

frontend/components/wrapped/shared/WrappedHero.vue

@@ -329,6 +329,10 @@ const PREVIEW_BY_KIND = {
   'chat/reply_speed': {
     summary: '回复速度',
     question: '谁是你愿意秒回的那个人？'
+  },
+  'emoji/annual_universe': {
+    summary: '梗图年鉴',
+    question: '你这一年最常丢出的表情包是哪张？'
   }
 }
 

frontend/composables/useApi.js

@@ -294,6 +294,7 @@ export const useApi = () => {
         media_kinds: Array.isArray(data.media_kinds) ? data.media_kinds : ['image', 'emoji', 'video', 'video_thumb', 'voice', 'file'],
         output_dir: data.output_dir == null ? null : String(data.output_dir || '').trim(),
         allow_process_key_extract: !!data.allow_process_key_extract,
+        download_remote_media: !!data.download_remote_media,
         privacy_mode: !!data.privacy_mode,
         file_name: data.file_name || null
       }

frontend/pages/chat/[[username]].vue

@@ -722,7 +722,7 @@
                     @click.stop="openChatHistoryModal(message)"
                   >
                     <div class="wechat-chat-history-body">
-                      <div class="wechat-chat-history-title">{{ message.title || '聊天记录' }}</div>
+                      <div class="wechat-chat-history-title">{{ message.title || '合并消息' }}</div>
                       <div class="wechat-chat-history-preview" v-if="getChatHistoryPreviewLines(message).length">
                         <div
                           v-for="(line, idx) in getChatHistoryPreviewLines(message)"
@@ -734,14 +734,15 @@
                       </div>
                     </div>
                     <div class="wechat-chat-history-bottom">
-                      <span>聊天记录</span>
+                      <span>合并消息</span>
                     </div>
                   </div>
                   <div v-else-if="message.renderType === 'transfer'"
                     class="wechat-transfer-card msg-radius"
-                    :class="[{ 'wechat-transfer-received': message.transferReceived, 'wechat-transfer-returned': isTransferReturned(message) }, message.isSent ? 'wechat-transfer-sent-side' : 'wechat-transfer-received-side']">
+                    :class="[{ 'wechat-transfer-received': message.transferReceived, 'wechat-transfer-returned': isTransferReturned(message), 'wechat-transfer-overdue': isTransferOverdue(message) }, message.isSent ? 'wechat-transfer-sent-side' : 'wechat-transfer-received-side']">
                     <div class="wechat-transfer-content">
                       <img src="/assets/images/wechat/wechat-returned.png" v-if="isTransferReturned(message)" class="wechat-transfer-icon" alt="">
+                      <img src="/assets/images/wechat/overdue.png" v-else-if="isTransferOverdue(message)" class="wechat-transfer-icon" alt="">
                       <img src="/assets/images/wechat/wechat-trans-icon2.png" v-else-if="message.transferReceived" class="wechat-transfer-icon" alt="">
                       <img src="/assets/images/wechat/wechat-trans-icon1.png" v-else class="wechat-transfer-icon" alt="">
                       <div class="wechat-transfer-info">
@@ -1233,7 +1234,7 @@
         @click.stop
       >
         <div class="px-4 py-3 bg-neutral-100 border-b border-gray-200 flex items-center justify-between">
-          <div class="text-sm text-[#161616] truncate">{{ chatHistoryModalTitle || '聊天记录' }}</div>
+          <div class="text-sm text-[#161616] truncate">{{ chatHistoryModalTitle || '合并消息' }}</div>
           <button
             type="button"
             class="p-2 rounded hover:bg-black/5"
@@ -1495,6 +1496,10 @@
                     <input type="radio" value="txt" v-model="exportFormat" class="hidden" />
                     <span>TXT</span>
                   </label>
+                  <label class="flex items-center gap-1.5 px-3 py-1.5 rounded-md border cursor-pointer transition-colors" :class="exportFormat === 'html' ? 'bg-[#03C160] text-white border-[#03C160]' : 'bg-white border-gray-200 text-gray-700 hover:bg-gray-50'">
+                    <input type="radio" value="html" v-model="exportFormat" class="hidden" />
+                    <span>HTML</span>
+                  </label>
                 </div>
               </div>
 
@@ -1516,6 +1521,19 @@
               </div>
             </div>
 
+            <div v-if="exportFormat === 'html'" class="mt-3">
+              <div class="text-sm font-medium text-gray-800 mb-2">HTML 选项</div>
+              <div class="p-3 bg-gray-50 rounded-md border border-gray-200">
+                <label class="flex items-start gap-2 text-sm text-gray-700">
+                  <input type="checkbox" v-model="exportDownloadRemoteMedia" :disabled="privacyMode" />
+                  <span>允许联网下载链接/引用缩略图（提高离线完整性）</span>
+                </label>
+                <div class="mt-1 text-xs text-gray-500">
+                  仅 HTML 生效；会在导出时尝试下载远程缩略图并写入 ZIP（已做安全限制）。隐私模式下自动忽略。
+                </div>
+              </div>
+            </div>
+
             <div v-if="exportScope === 'selected'" class="mt-3">
               <div class="flex items-center gap-2 mb-2">
                 <button
@@ -2010,6 +2028,7 @@ const messageTypeFilterOptions = [
   { value: 'emoji', label: '表情' },
   { value: 'video', label: '视频' },
   { value: 'voice', label: '语音' },
+  { value: 'chatHistory', label: '合并消息' },
   { value: 'transfer', label: '转账' },
   { value: 'redPacket', label: '红包' },
   { value: 'file', label: '文件' },
@@ -2488,13 +2507,15 @@ const exportError = ref('')
 
 // current: 当前会话（映射为 selected + 单个 username）
 const exportScope = ref('current') // current | selected | all | groups | singles
-const exportFormat = ref('json') // json | txt
+const exportFormat = ref('json') // json | txt | html
+const exportDownloadRemoteMedia = ref(true)
 const exportMessageTypeOptions = [
   { value: 'text', label: '文本' },
   { value: 'image', label: '图片' },
   { value: 'emoji', label: '表情' },
   { value: 'video', label: '视频' },
   { value: 'voice', label: '语音' },
+  { value: 'chatHistory', label: '合并消息' },
   { value: 'transfer', label: '转账' },
   { value: 'redPacket', label: '红包' },
   { value: 'file', label: '文件' },
@@ -3063,6 +3084,15 @@ const startChatExport = async () => {
 
   const selectedTypeSet = new Set(messageTypes.map((t) => String(t || '').trim()))
   const mediaKindSet = new Set()
+  if (selectedTypeSet.has('chatHistory')) {
+    // 合并消息内部可能包含任意媒体类型；即使只勾选了 chatHistory，也需要打包媒体才可离线查看。
+    mediaKindSet.add('image')
+    mediaKindSet.add('emoji')
+    mediaKindSet.add('video')
+    mediaKindSet.add('video_thumb')
+    mediaKindSet.add('voice')
+    mediaKindSet.add('file')
+  }
   if (selectedTypeSet.has('image')) mediaKindSet.add('image')
   if (selectedTypeSet.has('emoji')) mediaKindSet.add('emoji')
   if (selectedTypeSet.has('video')) {
@@ -3091,6 +3121,7 @@ const startChatExport = async () => {
       message_types: messageTypes,
       include_media: includeMedia,
       media_kinds: mediaKinds,
+      download_remote_media: exportFormat.value === 'html' && !!exportDownloadRemoteMedia.value,
       output_dir: isDesktopExportRuntime() ? String(exportFolder.value || '').trim() : null,
       privacy_mode: !!privacyMode.value,
       file_name: exportFileName.value || null
@@ -4017,6 +4048,16 @@ const isTransferReturned = (message) => {
   return text.includes('退回') || text.includes('退还')
 }
 
+const isTransferOverdue = (message) => {
+  const paySubType = String(message?.paySubType || '').trim()
+  if (paySubType === '10') return true
+  const s = String(message?.transferStatus || '').trim()
+  const c = String(message?.content || '').trim()
+  const text = `${s} ${c}`.trim()
+  if (!text) return false
+  return text.includes('过期')
+}
+
 const getTransferTitle = (message) => {
   const paySubType = String(message.paySubType || '').trim()
   // paysubtype 含义：
@@ -4952,7 +4993,7 @@ const openChatHistoryQuote = (rec) => {
 
 const openChatHistoryModal = (message) => {
   if (!process.client) return
-  chatHistoryModalTitle.value = String(message?.title || '聊天记录')
+  chatHistoryModalTitle.value = String(message?.title || '合并消息')
 
   const recordItem = String(message?.recordItem || '').trim()
   const parsed = parseChatHistoryRecord(recordItem)
@@ -6100,6 +6141,24 @@ const LinkCard = defineComponent({
   color: #fff;
 }
 
+/* 过期的转账样式 */
+.wechat-transfer-overdue {
+  background: #E9CFB3;
+}
+
+.wechat-transfer-overdue::after {
+  background: #E9CFB3;
+}
+
+.wechat-transfer-overdue .wechat-transfer-amount,
+.wechat-transfer-overdue .wechat-transfer-status {
+  color: #fff;
+}
+
+.wechat-transfer-overdue .wechat-transfer-bottom span {
+  color: #fff;
+}
+
 /* 红包消息样式 - 微信风格 */
 .wechat-redpacket-card {
   width: 210px;

frontend/pages/sns.vue

@@ -2,25 +2,45 @@
   <div class="h-screen flex overflow-hidden" style="background-color: #EDEDED">
     <!-- 右侧朋友圈区域 -->
     <div class="flex-1 flex flex-col min-h-0" style="background-color: #EDEDED">
-	      <div class="flex-1 overflow-auto min-h-0">
+      <div class="flex-1 overflow-auto min-h-0 bg-white" @scroll="onScroll">
 	        <div class="max-w-2xl mx-auto px-4 py-4">
-	          <div v-if="error" class="text-sm text-red-500 whitespace-pre-wrap py-2">{{ error }}</div>
-	          <div v-else-if="isLoading && posts.length === 0" class="text-sm text-gray-500 py-2">加载中…</div>
-	          <div v-else-if="posts.length === 0" class="text-sm text-gray-500 py-2">暂无朋友圈数据</div>
+            <div class="relative w-full mb-12 -mt-4 bg-white">
+              <div class="h-64 w-full bg-[#333333] relative overflow-hidden">
+                <img
+                    v-if="coverData && coverData.media && coverData.media.length > 0"
+                    :src="getSnsMediaUrl(coverData, coverData.media[0], 0, coverData.media[0].url)"
+                    class="w-full h-full object-cover"
+                    alt="朋友圈封面"
+                />
+              </div>
+              <div class="absolute right-4 -bottom-6 flex items-end gap-4">
+                <div class="text-white font-bold text-xl mb-7 drop-shadow-md">
+                  {{ selfInfo.nickname || '获取中...' }}
+                </div>
+
+                <div class="w-[72px] h-[72px] rounded-lg bg-white p-[2px] shadow-sm">
+                  <img
+                      v-if="selfInfo.wxid"
+                      :src="postAvatarUrl(selfInfo.wxid)"
+                      class="w-full h-full rounded-md object-cover bg-gray-100"
+                      :alt="selfInfo.nickname"
+                      referrerpolicy="no-referrer"
+                  />
+                  <div v-else class="w-full h-full rounded-md bg-gray-300 flex items-center justify-center text-gray-500 text-xs">
+                    ...
+                  </div>
+                </div>
+              </div>
+            </div>
+            <div v-if="error" class="text-sm text-red-500 whitespace-pre-wrap py-4 text-center">{{ error }}</div>
+
+            <div v-else-if="isLoading && posts.length === 0" class="flex flex-col items-center justify-center py-16">
+              <div class="w-8 h-8 border-[3px] border-gray-200 border-t-[#576b95] rounded-full animate-spin"></div>
+              <div class="mt-4 text-sm text-gray-400">正在前往朋友圈...</div>
+            </div>
+
+            <div v-else-if="posts.length === 0" class="text-sm text-gray-400 py-16 text-center">暂无朋友圈数据</div>
 
-	          <!-- 图片匹配提示（实验功能） -->
-	          <div v-if="!error" class="mb-3 rounded border border-amber-200 bg-amber-50 px-3 py-2 text-xs text-amber-900">
-	            <div class="font-medium">图片匹配（实验功能）</div>
-	            <div class="mt-1 leading-5">
-	              图片可能会出现错配或无法显示。点击图片进入预览，可在“候选匹配”中手动选择；你的选择会保存在本机并在下次优先使用。
-	            </div>
-	            <label class="mt-2 flex items-start gap-2 select-none">
-	              <input v-model="snsAvoidOtherPicked" type="checkbox" class="mt-[2px]" />
-	              <span class="leading-5">
-	                自动匹配时，避开已被你手动指定到其他动态的图片（降低重复）
-	              </span>
-	            </label>
-	          </div>
 
 	          <div v-for="post in posts" :key="post.id" class="bg-white rounded-sm px-4 py-4 mb-3">
 	            <div class="flex items-start gap-3" @contextmenu.prevent="openPostContextMenu($event, post)">
@@ -47,31 +67,95 @@
                 </div>
 
                 <div
-                  v-if="post.contentDesc"
-                  class="mt-1 text-sm text-gray-900 leading-6 whitespace-pre-wrap break-words"
-                  :class="{ 'privacy-blur': privacyMode }"
+                    v-if="post.contentDesc"
+                    class="mt-1 text-sm text-gray-900 leading-6 whitespace-pre-wrap break-words"
+                    :class="{ 'privacy-blur': privacyMode }"
                 >
                   {{ post.contentDesc }}
                 </div>
 
-                <div v-if="post.media && post.media.length > 0" class="mt-2" :class="{ 'privacy-blur': privacyMode }">
+                <div v-if="post.type === 3" class="mt-2 max-w-[360px]" :class="{ 'privacy-blur': privacyMode }">
+                  <a :href="post.contentUrl" target="_blank" class="block bg-gray-100 p-2 rounded-sm border border-gray-200 no-underline hover:bg-gray-200 transition-colors">
+                    <div class="flex items-center gap-3">
+                      <img
+                          v-if="post.contentUrl && !hasArticleThumbError(post.id)"
+                          :src="getArticleThumbProxyUrl(post.contentUrl)"
+                          class="w-12 h-12 object-cover flex-shrink-0 bg-white"
+                          alt=""
+                          @error="onArticleThumbError(post.id)"
+                      />
+                      <div v-else class="w-12 h-12 flex items-center justify-center bg-gray-200 text-gray-400 flex-shrink-0 text-xs">
+                        文章
+                      </div>
+
+                      <div class="flex-1 flex flex-col justify-between overflow-hidden h-12">
+                        <div class="text-[13px] text-gray-900 leading-tight line-clamp-2">{{ post.title }}</div>
+                      </div>
+                    </div>
+                    <div class="text-[11px] text-[#576b95] mt-1 pt-1 border-t border-gray-200/50">
+                      公众号文章分享
+                    </div>
+                  </a>
+                </div>
+
+                <div v-else-if="post.type === 28 && post.finderFeed && Object.keys(post.finderFeed).length > 0" class="mt-2 max-w-[360px]" :class="{ 'privacy-blur': privacyMode }">
+                  <div class="block bg-gray-100 p-2 rounded-sm border border-gray-200 no-underline hover:bg-gray-200 transition-colors">
+                    <!-- 浏览器没有看微信视频号的环境，暂时不进行跳转！！-->
+                    <div class="flex items-start gap-3">
+                      <div class="relative w-14 h-16 flex-shrink-0 bg-black overflow-hidden rounded-sm">
+                        <img
+                            v-if="post.finderFeed.thumbUrl"
+                            :src="getProxyExternalUrl(post.finderFeed.thumbUrl)"
+                            class="w-full h-full object-cover opacity-80"
+                            alt="finder cover"
+                        />
+                        <div class="absolute inset-0 flex items-center justify-center pointer-events-none">
+                          <svg class="w-5 h-5 text-white/90" fill="currentColor" viewBox="0 0 24 24"><path d="M8 5v14l11-7z"/></svg>
+                        </div>
+                      </div>
+                      <div class="flex-1 flex flex-col overflow-hidden">
+                        <div class="text-xs text-gray-500 truncate">{{ post.finderFeed.nickname }}</div>
+                        <div class="text-[13px] text-gray-900 leading-tight line-clamp-2 mt-[2px]">{{ post.finderFeed.desc || post.title }}</div>
+                      </div>
+                    </div>
+                    <div class="text-[11px] text-[#576b95] mt-1 pt-1 border-t border-gray-200/50">
+                      视频号 · 动态
+                    </div>
+                  </div>
+                </div>
+
+                <div v-else-if="post.media && post.media.length > 0" class="mt-2" :class="{ 'privacy-blur': privacyMode }">
                   <div v-if="post.media.length === 1" class="max-w-[360px]">
                     <div
-                      v-if="!hasMediaError(post.id, 0) && getMediaThumbSrc(post, post.media[0], 0)"
-                      class="inline-block cursor-pointer relative"
-                      @click.stop="onMediaClick(post, post.media[0], 0)"
+                        v-if="!hasMediaError(post.id, 0) && getMediaThumbSrc(post, post.media[0], 0)"
+                        class="inline-block cursor-pointer relative"
+                        @click.stop="onMediaClick(post, post.media[0], 0)"
                     >
+                      <video
+                          v-if="Number(post.media[0]?.type || 0) === 6"
+                          :src="getSnsVideoUrl(post.id, post.media[0].id)"
+                          :poster="getMediaThumbSrc(post, post.media[0], 0)"
+                          class="rounded-sm max-h-[360px] max-w-full object-cover"
+                          autoplay
+                          loop
+                          muted
+                          playsinline
+                          @loadeddata="onLocalVideoLoaded(post.id, post.media[0].id)"
+                          @error="onLocalVideoError(post.id, post.media[0].id)"
+                      ></video>
+
                       <img
-                        :src="getMediaThumbSrc(post, post.media[0], 0)"
-                        class="rounded-sm max-h-[360px] object-cover"
-                        alt=""
-                        loading="lazy"
-                        referrerpolicy="no-referrer"
-                        @error="onMediaError(post.id, 0)"
+                          v-else
+                          :src="getMediaThumbSrc(post, post.media[0], 0)"
+                          class="rounded-sm max-h-[360px] object-cover"
+                          alt=""
+                          loading="lazy"
+                          referrerpolicy="no-referrer"
+                          @error="onMediaError(post.id, 0)"
                       />
                       <div
-                        v-if="Number(post.media[0]?.type || 0) === 6"
-                        class="absolute inset-0 flex items-center justify-center pointer-events-none"
+                          v-if="Number(post.media[0]?.type || 0) === 6 && !isLocalVideoLoaded(post.id, post.media[0].id)"
+                          class="absolute inset-0 flex items-center justify-center pointer-events-none"
                       >
                         <div class="w-12 h-12 rounded-full bg-black/45 flex items-center justify-center">
                           <svg class="w-6 h-6 text-white" fill="currentColor" viewBox="0 0 24 24"><path d="M8 5v14l11-7z"/></svg>
@@ -79,11 +163,11 @@
                       </div>
                     </div>
                     <div
-                      v-else
-                      class="w-[240px] h-[180px] rounded-sm bg-gray-100 border border-gray-200 flex items-center justify-center text-xs text-gray-400"
-                      title="图片加载失败"
-                      @click.stop="onMediaClick(post, post.media[0], 0)"
-                      style="cursor: pointer;"
+                        v-else
+                        class="w-[240px] h-[180px] rounded-sm bg-gray-100 border border-gray-200 flex items-center justify-center text-xs text-gray-400"
+                        title="图片加载失败"
+                        @click.stop="onMediaClick(post, post.media[0], 0)"
+                        style="cursor: pointer;"
                     >
                       图片加载失败
                     </div>
@@ -91,24 +175,39 @@
 
                   <div v-else class="grid grid-cols-3 gap-1 max-w-[360px]">
                     <div
-                      v-for="(m, idx) in post.media.slice(0, 9)"
-                      :key="idx"
-                      class="w-[116px] h-[116px] rounded-[2px] overflow-hidden bg-gray-100 border border-gray-200 flex items-center justify-center cursor-pointer relative"
-                      @click.stop="onMediaClick(post, m, idx)"
+                        v-for="(m, idx) in post.media.slice(0, 9)"
+                        :key="idx"
+                        class="w-[116px] h-[116px] rounded-[2px] overflow-hidden bg-gray-100 border border-gray-200 flex items-center justify-center cursor-pointer relative"
+                        @click.stop="onMediaClick(post, m, idx)"
                     >
+                      <video
+                          v-if="!hasMediaError(post.id, idx) && Number(m?.type || 0) === 6"
+                          :src="getSnsVideoUrl(post.id, m.id)"
+                          :poster="getMediaThumbSrc(post, m, idx)"
+                          class="w-full h-full object-cover"
+                          autoplay
+                          loop
+                          muted
+                          playsinline
+                          @loadeddata="onLocalVideoLoaded(post.id, m.id)"
+                          @error="onLocalVideoError(post.id, m.id)"
+                      ></video>
                       <img
-                        v-if="!hasMediaError(post.id, idx) && getMediaThumbSrc(post, m, idx)"
-                        :src="getMediaThumbSrc(post, m, idx)"
-                        class="w-full h-full object-cover"
-                        alt=""
-                        loading="lazy"
-                        referrerpolicy="no-referrer"
-                        @error="onMediaError(post.id, idx)"
+                          v-else-if="!hasMediaError(post.id, idx) && getMediaThumbSrc(post, m, idx)"
+                          :src="getMediaThumbSrc(post, m, idx)"
+                          class="w-full h-full object-cover"
+                          alt=""
+                          loading="lazy"
+                          referrerpolicy="no-referrer"
+                          @error="onMediaError(post.id, idx)"
                       />
+                      <!-- 不知道微信朋友圈可不可以发多视频，先这样写吧-->
                       <span v-else class="text-[10px] text-gray-400">图片失败</span>
 
-                      <!-- 视频缩略图的播放提示 -->
-                      <div v-if="Number(m?.type || 0) === 6" class="absolute inset-0 flex items-center justify-center pointer-events-none">
+                      <div
+                          v-if="Number(m?.type || 0) === 6 && !isLocalVideoLoaded(post.id, m.id)"
+                          class="absolute inset-0 flex items-center justify-center pointer-events-none"
+                      >
                         <div class="w-10 h-10 rounded-full bg-black/45 flex items-center justify-center">
                           <svg class="w-5 h-5 text-white" fill="currentColor" viewBox="0 0 24 24"><path d="M8 5v14l11-7z"/></svg>
                         </div>
@@ -171,16 +270,12 @@
             </div>
           </div>
 
-          <div v-if="hasMore" class="py-2">
-            <button
-              type="button"
-              class="w-full text-sm text-gray-600 py-2 rounded bg-white hover:bg-gray-50 border border-gray-200"
-              :disabled="isLoading"
-              @click="loadPosts({ reset: false })"
-            >
-              {{ isLoading ? '加载中…' : '加载更多' }}
-            </button>
-          </div>
+            <div v-if="isLoading && posts.length > 0" class="py-4 flex justify-center items-center">
+              <div class="w-5 h-5 border-2 border-gray-400 border-t-transparent rounded-full animate-spin"></div>
+            </div>
+            <div v-if="!hasMore && posts.length > 0" class="py-6 text-center text-xs text-gray-400">
+              —— 到底了 ——
+            </div>
         </div>
       </div>
     </div>
@@ -209,68 +304,6 @@
 	      <div class="relative max-w-[92vw] max-h-[92vh] flex flex-col items-center" @click.stop>
 	        <img :src="previewSrc" alt="预览" class="max-w-[90vw] max-h-[70vh] object-contain" />
 
-	        <!-- 候选匹配面板（仅在本地缓存匹配时有意义） -->
-	        <div class="mt-3 w-full max-w-[90vw] rounded bg-black/35 text-white text-xs px-3 py-2">
-	          <div class="flex items-center justify-between gap-2">
-	            <div class="truncate">
-	              候选匹配：
-	              <span v-if="previewCandidates.loading">加载中…</span>
-	              <span v-else-if="previewCandidates.count > 0">共 {{ previewCandidates.count }} 个</span>
-	              <span v-else>未找到本地候选（可能仅能显示占位图）</span>
-	              <span v-if="previewEffectiveIdx != null" class="ml-2 text-white/80">当前：#{{ Number(previewEffectiveIdx) + 1 }}</span>
-	              <span v-if="previewHasUserOverride" class="ml-2 text-emerald-200">(已保存)</span>
-	            </div>
-	            <div class="flex items-center gap-2 flex-shrink-0">
-	              <button
-	                type="button"
-	                class="px-2 py-1 rounded bg-white/10 hover:bg-white/20 transition-colors"
-	                @click="toggleCandidatePanel"
-	              >
-	                {{ previewCandidatesOpen ? '收起' : '展开' }}
-	              </button>
-	              <button
-	                v-if="previewHasUserOverride"
-	                type="button"
-	                class="px-2 py-1 rounded bg-white/10 hover:bg-white/20 transition-colors"
-	                @click="clearUserOverrideForPreview"
-	              >
-	                恢复自动
-	              </button>
-	            </div>
-	          </div>
-
-	          <div v-if="previewCandidates.error" class="mt-2 text-red-200 whitespace-pre-wrap">
-	            {{ previewCandidates.error }}
-	          </div>
-
-	          <div v-if="previewCandidatesOpen && previewCandidates.count > 0" class="mt-2">
-	            <div class="flex gap-2 overflow-x-auto pb-1">
-	              <button
-	                v-for="cand in previewCandidates.items"
-	                :key="cand.idx"
-	                type="button"
-	                class="flex-shrink-0 w-24"
-	                @click="selectCandidateForPreview(cand.idx)"
-	              >
-	                <div class="w-24 h-24 rounded bg-black/20 overflow-hidden border border-white/10">
-	                  <img :src="getPreviewCandidateSrc(cand.idx)" class="w-full h-full object-cover" alt="" />
-	                </div>
-	                <div class="mt-1 text-[11px] text-white/80">#{{ Number(cand.idx) + 1 }}</div>
-	              </button>
-	            </div>
-
-	            <div v-if="previewCandidates.hasMore" class="mt-2">
-	              <button
-	                type="button"
-	                class="px-2 py-1 rounded bg-white/10 hover:bg-white/20 transition-colors"
-	                :disabled="previewCandidates.loadingMore"
-	                @click="loadMorePreviewCandidates"
-	              >
-	                {{ previewCandidates.loadingMore ? '加载中…' : '加载更多候选' }}
-	              </button>
-	            </div>
-	          </div>
-	        </div>
 	      </div>
 
 	      <button
@@ -295,7 +328,7 @@ useHead({ title: '朋友圈 - 微信数据分析助手' })
 const api = useApi()
 
 const chatAccounts = useChatAccountsStore()
-const { selectedAccount, accounts: availableAccounts } = storeToRefs(chatAccounts)
+const { selectedAccount } = storeToRefs(chatAccounts)
 
 const privacyStore = usePrivacyStore()
 const { privacyMode } = storeToRefs(privacyStore)
@@ -305,114 +338,12 @@ const hasMore = ref(true)
 const isLoading = ref(false)
 const error = ref('')
 
+const coverData = ref(null)
+
 const pageSize = 20
 
 const mediaBase = process.client ? 'http://localhost:8000' : ''
 
-// User overrides for SNS image matching (account-local, stored in localStorage).
-const SNS_MEDIA_OVERRIDE_PREFIX = 'sns_media_override:v1:'
-const SNS_MEDIA_OVERRIDE_REV_PREFIX = 'sns_media_override_rev:v1:'
-const snsMediaOverrides = ref({})
-const snsMediaOverrideRev = ref('0')
-
-const snsOverrideStorageKey = (account) => `${SNS_MEDIA_OVERRIDE_PREFIX}${String(account || '').trim()}`
-const snsOverrideRevStorageKey = (account) => `${SNS_MEDIA_OVERRIDE_REV_PREFIX}${String(account || '').trim()}`
-const snsOverrideMediaKey = (postId, idx) => `${String(postId || '')}:${String(Number(idx) || 0)}`
-
-const loadSnsMediaOverrides = () => {
-  if (!process.client) return
-  const acc = String(selectedAccount.value || '').trim()
-  if (!acc) {
-    snsMediaOverrides.value = {}
-    snsMediaOverrideRev.value = '0'
-    return
-  }
-  try {
-    const raw = localStorage.getItem(snsOverrideStorageKey(acc))
-    const parsed = raw ? JSON.parse(raw) : {}
-    snsMediaOverrides.value = parsed && typeof parsed === 'object' ? parsed : {}
-  } catch {
-    snsMediaOverrides.value = {}
-  }
-  try {
-    const rev = localStorage.getItem(snsOverrideRevStorageKey(acc))
-    snsMediaOverrideRev.value = String(rev || '0')
-  } catch {
-    snsMediaOverrideRev.value = '0'
-  }
-}
-
-const saveSnsMediaOverrides = () => {
-  if (!process.client) return
-  const acc = String(selectedAccount.value || '').trim()
-  if (!acc) return
-  try {
-    localStorage.setItem(snsOverrideStorageKey(acc), JSON.stringify(snsMediaOverrides.value || {}))
-  } catch {}
-  try {
-    localStorage.setItem(snsOverrideRevStorageKey(acc), String(snsMediaOverrideRev.value || '0'))
-  } catch {}
-}
-
-// Settings: avoid auto-using an image that was manually pinned to another SNS post.
-const SNS_SNS_SETTINGS_PREFIX = 'sns_settings:v1:'
-const snsAvoidOtherPicked = ref(true)
-const snsAvoidOtherPickedStorageKey = (account) => `${SNS_SNS_SETTINGS_PREFIX}${String(account || '').trim()}:avoid_other_picked`
-
-const loadSnsSettings = () => {
-  if (!process.client) return
-  const acc = String(selectedAccount.value || '').trim()
-  if (!acc) return
-  try {
-    const raw = localStorage.getItem(snsAvoidOtherPickedStorageKey(acc))
-    if (raw == null || raw === '') return
-    snsAvoidOtherPicked.value = raw === '1' || raw === 'true'
-  } catch {}
-}
-
-const saveSnsSettings = () => {
-  if (!process.client) return
-  const acc = String(selectedAccount.value || '').trim()
-  if (!acc) return
-  try {
-    localStorage.setItem(snsAvoidOtherPickedStorageKey(acc), snsAvoidOtherPicked.value ? '1' : '0')
-  } catch {}
-}
-
-const syncSnsMediaPicksToBackend = async () => {
-  const acc = String(selectedAccount.value || '').trim()
-  if (!acc) return
-  try {
-    await api.saveSnsMediaPicks({ account: acc, picks: snsMediaOverrides.value || {} })
-  } catch {}
-}
-
-const getSnsMediaOverridePick = (postId, idx) => {
-  const key = snsOverrideMediaKey(postId, idx)
-  const v = snsMediaOverrides.value?.[key]
-  return String(v || '').trim()
-}
-
-const setSnsMediaOverridePick = (postId, idx, pick) => {
-  if (!process.client) return
-  const key = snsOverrideMediaKey(postId, idx)
-  const v = String(pick || '').trim()
-  if (!v) {
-    if (snsMediaOverrides.value && Object.prototype.hasOwnProperty.call(snsMediaOverrides.value, key)) {
-      delete snsMediaOverrides.value[key]
-    }
-  } else {
-    snsMediaOverrides.value[key] = v
-  }
-  saveSnsMediaOverrides()
-  // Keep backend in sync so it can apply duplicate-avoidance logic.
-  // Then bump `pv` so other auto-matched images reload using the updated picks.
-  void syncSnsMediaPicksToBackend().finally(() => {
-    snsMediaOverrideRev.value = String(Date.now())
-    saveSnsMediaOverrides()
-  })
-}
-
 // Track failed images per-post, per-index to render placeholders instead of broken <img>.
 const mediaErrors = ref({})
 
@@ -422,6 +353,34 @@ const onMediaError = (postId, idx) => {
   mediaErrors.value[mediaErrorKey(postId, idx)] = true
 }
 
+const articleThumbErrors = ref({})
+
+const hasArticleThumbError = (postId) => !!articleThumbErrors.value[postId]
+
+const onArticleThumbError = (postId) => {
+  articleThumbErrors.value[postId] = true
+}
+
+const selfInfo = ref({ wxid: '', nickname: '' })
+
+const loadSelfInfo = async () => {
+  if (!selectedAccount.value) return
+  try {
+    const resp = await $fetch(`${mediaBase}/api/sns/self_info?account=${encodeURIComponent(selectedAccount.value)}`)
+    if (resp && resp.wxid) {
+      selfInfo.value = resp
+    }
+  } catch (e) {
+    console.error('获取个人信息失败', e)
+  }
+}
+
+const getArticleThumbProxyUrl = (contentUrl) => {
+  const u = String(contentUrl || '').trim()
+  if (!u) return ''
+  return `${mediaBase}/api/sns/article_thumb?url=${encodeURIComponent(u)}`
+}
+
 // Right-click context menu (copy text / JSON) to help debug SNS parsing issues.
 const contextMenu = ref({ visible: false, x: 0, y: 0, post: null })
 
@@ -506,6 +465,15 @@ const onCopyPostJsonClick = async () => {
   }
 }
 
+const onScroll = (e) => {
+  const { scrollTop, clientHeight, scrollHeight } = e.target
+  if (scrollTop + clientHeight >= scrollHeight - 200) {
+    if (hasMore.value && !isLoading.value) {
+      loadPosts({ reset: false })
+    }
+  }
+}
+
 const postAvatarUrl = (username) => {
   const acc = String(selectedAccount.value || '').trim()
   const u = String(username || '').trim()
@@ -596,7 +564,7 @@ const getSnsMediaUrl = (post, m, idx, rawUrl) => {
         const h = String(m?.size?.height || m?.size?.h || '').trim()
         const ts = String(m?.size?.totalSize || m?.size?.total_size || m?.size?.total || '').trim()
         const sizeIdx = mediaSizeGroupIndex(post, m, idx)
-        const pick = getSnsMediaOverridePick(post?.id, idx)
+        // const pick = getSnsMediaOverridePick(post?.id, idx)
         let md5 = normalizeHex32(m?.urlAttrs?.md5 || m?.thumbAttrs?.md5 || m?.urlAttrs?.MD5 || m?.thumbAttrs?.MD5)
         if (!md5) {
           const match = /[?&]md5=([0-9a-fA-F]{16,32})/.exec(raw)
@@ -609,13 +577,19 @@ const getSnsMediaUrl = (post, m, idx, rawUrl) => {
         if (h) parts.set('height', h)
         if (/^\d+$/.test(ts)) parts.set('total_size', ts)
         parts.set('idx', String(Number(sizeIdx) || 0))
-        if (pick) parts.set('pick', pick)
-        if (!pick && snsAvoidOtherPicked.value) {
-          const pid = String(post?.id || '').trim()
-          if (pid) parts.set('post_id', pid)
-          parts.set('avoid_picked', '1')
-          parts.set('pv', String(snsMediaOverrideRev.value || '0'))
-        }
+        const pid = String(post?.id || '').trim()
+        if (pid) parts.set('post_id', pid)
+
+        const mid = String(m?.id || '').trim()
+        if (mid) parts.set('media_id', mid)
+
+        const postType = String(post?.type || '1').trim()
+        if (postType) parts.set('post_type', postType)
+
+        const mediaType = String(m?.type || '2').trim()
+        if (mediaType) parts.set('media_type', mediaType)
+
+
         if (md5) parts.set('md5', md5)
         // Bump this when changing backend matching logic to avoid stale cached wrong images.
         parts.set('v', '7')
@@ -636,6 +610,31 @@ const getMediaPreviewSrc = (post, m, idx = 0) => {
   return getSnsMediaUrl(post, m, idx, m?.url || m?.thumb)
 }
 
+
+const getSnsVideoUrl = (postId, mediaId) => {
+  // 本地缓存视频
+  const acc = String(selectedAccount.value || '').trim()
+  if (!acc || !postId || !mediaId) return ''
+  return `${mediaBase}/api/sns/video?account=${encodeURIComponent(acc)}&post_id=${encodeURIComponent(postId)}&media_id=${encodeURIComponent(mediaId)}`
+}
+
+const localVideoStatus = ref({})
+
+const videoStatusKey = (postId, mediaId) => `${String(postId)}:${String(mediaId)}`
+
+const onLocalVideoLoaded = (postId, mediaId) => {
+  localVideoStatus.value[videoStatusKey(postId, mediaId)] = 'loaded'
+}
+
+const onLocalVideoError = (postId, mediaId) => {
+  localVideoStatus.value[videoStatusKey(postId, mediaId)] = 'error'
+}
+
+
+const isLocalVideoLoaded = (postId, mediaId) => {
+  return localVideoStatus.value[videoStatusKey(postId, mediaId)] === 'loaded'
+}
+
 // 图片预览 + 候选匹配选择
 const previewCtx = ref(null) // { post, media, idx }
 const previewCandidatesOpen = ref(false)
@@ -663,52 +662,6 @@ const previewSrc = computed(() => {
   return getMediaPreviewSrc(ctx.post, ctx.media, ctx.idx)
 })
 
-const previewHasUserOverride = computed(() => {
-  const ctx = previewCtx.value
-  if (!ctx) return false
-  return !!getSnsMediaOverridePick(ctx.post?.id, ctx.idx)
-})
-
-const previewEffectiveIdx = computed(() => {
-  const ctx = previewCtx.value
-  if (!ctx) return null
-  const pick = getSnsMediaOverridePick(ctx.post?.id, ctx.idx)
-  if (pick) {
-    const found = (previewCandidates.items || []).find((c) => String(c?.key || '') === pick)
-    if (found) return Number(found.idx)
-    return null
-  }
-  const baseIdx = mediaSizeGroupIndex(ctx.post, ctx.media, ctx.idx)
-  if (!snsAvoidOtherPicked.value) return baseIdx
-  const curPid = String(ctx.post?.id || '').trim()
-  if (!curPid) return baseIdx
-
-  // Mirror backend logic: skip candidates that were manually pinned to other posts.
-  const reserved = new Set()
-  try {
-    for (const [k, v] of Object.entries(snsMediaOverrides.value || {})) {
-      const pid = String(k || '').split(':', 1)[0].trim()
-      if (!pid || pid === curPid) continue
-      const key = String(v || '').trim()
-      if (key) reserved.add(key)
-    }
-  } catch {}
-
-  const items = Array.isArray(previewCandidates.items) ? [...previewCandidates.items] : []
-  items.sort((a, b) => Number(a?.idx || 0) - Number(b?.idx || 0))
-  for (const c of items) {
-    const i = Number(c?.idx)
-    const key = String(c?.key || '').trim()
-    if (!Number.isFinite(i) || i < baseIdx) continue
-    if (!key) continue
-    if (!reserved.has(key)) return i
-  }
-  return baseIdx
-})
-
-const toggleCandidatePanel = () => {
-  previewCandidatesOpen.value = !previewCandidatesOpen.value
-}
 
 const loadPreviewCandidates = async ({ reset }) => {
   const ctx = previewCtx.value
@@ -780,64 +733,26 @@ const closeImagePreview = () => {
   document.body.style.overflow = ''
 }
 
-const getPreviewCandidateSrc = (candIdx) => {
-  const ctx = previewCtx.value
-  const acc = String(selectedAccount.value || '').trim()
-  if (!ctx || !acc) return ''
-
-  const idxNum = Number(candIdx)
-  const cand = (previewCandidates.items || []).find((c) => Number(c?.idx) === idxNum)
-  const key = String(cand?.key || '').trim()
-  if (!key) return ''
-
-  const parts = new URLSearchParams()
-  parts.set('account', acc)
-  parts.set('pick', key)
-  const ct = String(ctx.post?.createTime || '').trim()
-  if (ct) parts.set('create_time', ct)
-  parts.set('v', '7')
-  return `${mediaBase}/api/sns/media?${parts.toString()}`
-}
-
-const selectCandidateForPreview = (candIdx) => {
-  const ctx = previewCtx.value
-  if (!ctx) return
-  const idxNum = Number(candIdx)
-  const cand = (previewCandidates.items || []).find((c) => Number(c?.idx) === idxNum)
-  const key = String(cand?.key || '').trim()
-  if (!key) return
-  setSnsMediaOverridePick(ctx.post?.id, ctx.idx, key)
-  // Allow <img> to retry after user switches candidates.
-  try {
-    delete mediaErrors.value[mediaErrorKey(ctx.post?.id, ctx.idx)]
-  } catch {}
-}
-
-const clearUserOverrideForPreview = () => {
-  const ctx = previewCtx.value
-  if (!ctx) return
-  setSnsMediaOverridePick(ctx.post?.id, ctx.idx, '')
-  try {
-    delete mediaErrors.value[mediaErrorKey(ctx.post?.id, ctx.idx)]
-  } catch {}
-}
-
-const loadMorePreviewCandidates = async () => {
-  if (previewCandidates.loading || previewCandidates.loadingMore) return
-  if (!previewCandidates.hasMore) return
-  await loadPreviewCandidates({ reset: false })
-}
-
 const onMediaClick = (post, m, idx = 0) => {
   if (!process.client) return
   const mt = Number(m?.type || 0)
-  // 视频：打开视频链接（新窗口），图片：打开预览
+
+  // 视频点击逻辑
   if (mt === 6) {
+    // 1. 如果本地缓存加载成功，永远不请求 CDN！直接在新标签页打开本地的高清完整视频
+    if (isLocalVideoLoaded(post.id, m.id)) {
+      const localUrl = getSnsVideoUrl(post.id, m.id)
+      window.open(localUrl, '_blank', 'noopener,noreferrer')
+      return
+    }
+
+    // 2. 如果本地没有缓存，按原逻辑 fallback 到 CDN
     const u = String(m?.url || '').trim()
-     if (u) window.open(u, '_blank', 'noopener,noreferrer')
-     return
-   }
-  // Open preview overlay; it also loads local candidates for manual selection.
+    if (u) window.open(u, '_blank', 'noopener,noreferrer')
+    return
+  }
+
+  // 图片：打开预览
   void openImagePreview(post, m, idx)
 }
 
@@ -880,10 +795,12 @@ const loadPosts = async ({ reset }) => {
       offset
     })
     const items = resp?.timeline || []
+
     if (reset) {
-      posts.value = items
+      posts.value = items.filter(p => p.type !== 7)
+      coverData.value = resp?.cover || null
     } else {
-      posts.value = [...posts.value, ...items]
+      posts.value = [...posts.value, ...items.filter(p => p.type !== 7)]
     }
     hasMore.value = !!resp?.hasMore
   } catch (e) {
@@ -893,35 +810,23 @@ const loadPosts = async ({ reset }) => {
   }
 }
 
-watch(
-  () => selectedAccount.value,
-  async (v, oldV) => {
-    if (v && v !== oldV) {
-      // Account switch: reload overrides and reset preview state.
-      loadSnsMediaOverrides()
-      loadSnsSettings()
-      void syncSnsMediaPicksToBackend()
-      if (previewCtx.value) closeImagePreview()
-      await loadPosts({ reset: true })
-    } else if (!v) {
-      snsMediaOverrides.value = {}
-    }
-  }
-)
 
 watch(
-  () => snsAvoidOtherPicked.value,
-  () => {
-    saveSnsSettings()
-  }
+    () => selectedAccount.value,
+    async (v, oldV) => {
+      if (v && v !== oldV) {
+        if (previewCtx.value) closeImagePreview()
+        await loadSelfInfo()
+        await loadPosts({ reset: true })
+      }
+    },
+    { immediate: true }
 )
 
+
 onMounted(async () => {
   privacyStore.init()
   await loadAccounts()
-  loadSnsMediaOverrides()
-  loadSnsSettings()
-  void syncSnsMediaPicksToBackend()
 })
 
 const onGlobalClick = () => {
@@ -947,4 +852,13 @@ onUnmounted(() => {
   document.removeEventListener('click', onGlobalClick)
   document.removeEventListener('keydown', onGlobalKeyDown)
 })
+
+const getProxyExternalUrl = (url) => {
+  // 目前难以计算enc，代理获取封面图（thumbnail）
+  const u = String(url || '').trim()
+  if (!u) return ''
+  return `${mediaBase}/api/chat/media/proxy_image?url=${encodeURIComponent(u)}`
+}
+
+
 </script>

frontend/pages/wrapped/index.vue

@@ -163,6 +163,12 @@
           variant="slide"
           class="h-full w-full"
         />
+        <Card04EmojiUniverse
+          v-else-if="c && (c.kind === 'emoji/annual_universe' || c.id === 4)"
+          :card="c"
+          variant="slide"
+          class="h-full w-full"
+        />
         <WrappedCardShell
           v-else
           :card-id="Number(c?.id || (idx + 1))"

src/wechat_decrypt_tool/chat_helpers.py

@@ -8,7 +8,7 @@ from collections import Counter
 from datetime import datetime
 from pathlib import Path
 from typing import Any, Optional
-from urllib.parse import quote, urlparse
+from urllib.parse import parse_qs, quote, urlparse
 
 from fastapi import HTTPException
 
@@ -634,6 +634,32 @@ def _is_mp_weixin_article_url(url: str) -> bool:
     return "mp.weixin.qq.com/" in lu
 
 
+def _is_mp_weixin_feed_article_url(url: str) -> bool:
+    """Detect WeChat's PC feed/recommendation mp.weixin.qq.com share URLs.
+
+    These links often carry an `exptype` like:
+      masonry_feed_brief_content_elite_for_pcfeeds_u2i
+
+    WeChat desktop tends to render them in a cover-card style (image + bottom title),
+    so we use this as a hint to choose the 'cover' linkStyle.
+    """
+
+    u = str(url or "").strip()
+    if not u:
+        return False
+
+    try:
+        parsed = urlparse(u)
+        q = parse_qs(parsed.query or "")
+        for v in (q.get("exptype") or []):
+            if "masonry_feed" in str(v or "").lower():
+                return True
+    except Exception:
+        pass
+
+    return "exptype=masonry_feed" in u.lower()
+
+
 def _classify_link_share(*, app_type: int, url: str, source_username: str, desc: str) -> tuple[str, str]:
     src = str(source_username or "").strip().lower()
     is_official_article = bool(
@@ -647,7 +673,15 @@ def _classify_link_share(*, app_type: int, url: str, source_username: str, desc:
     hashtag_count = len(re.findall(r"#[^#\s]+", d))
 
     # 公众号文章中「封面图 + 底栏标题」卡片特征：摘要以 #话题# 风格为主。
-    link_style = "cover" if (is_official_article and (d.startswith("#") or hashtag_count >= 2)) else "default"
+    cover_like = bool(
+        is_official_article
+        and (
+            d.startswith("#")
+            or hashtag_count >= 2
+            or _is_mp_weixin_feed_article_url(url)
+        )
+    )
+    link_style = "cover" if cover_like else "default"
     return link_type, link_style
 
 
@@ -948,8 +982,12 @@ def _parse_app_message(text: str) -> dict[str, Any]:
             "recordItem": record_item or "",
         }
 
-    if app_type in (5, 68) and url:
-        thumb_url = _normalize_xml_url(_extract_xml_tag_text(text, "thumburl"))
+    if app_type in (4, 5, 68) and url:
+        # Many appmsg link cards (notably Bilibili shares with <type>4</type>) include a <patMsg> metadata block.
+        # DO NOT treat "<patmsg" presence as a pat message: it would misclassify normal link cards as "[拍一拍]".
+        thumb_url = _normalize_xml_url(
+            _extract_xml_tag_text(text, "thumburl") or _extract_xml_tag_text(text, "cdnthumburl")
+        )
         link_type, link_style = _classify_link_share(
             app_type=app_type,
             url=url,
@@ -1093,7 +1131,10 @@ def _parse_app_message(text: str) -> dict[str, Any]:
             "quoteVoiceLength": quote_voice_length,
         }
 
-    if app_type == 62 or "<patmsg" in lower or 'type="patmsg"' in lower or "type='patmsg'" in lower:
+    # Some versions may mark pat messages via sysmsg/appmsg tag attribute: <sysmsg type="patmsg">...</sysmsg>.
+    # Be strict here: lots of non-pat appmsg payloads still carry a nested <patMsg>...</patMsg> metadata block.
+    patmsg_attr = bool(re.search(r"<(sysmsg|appmsg)\b[^>]*\btype=['\"]patmsg['\"]", lower))
+    if app_type == 62 or patmsg_attr:
         return {"renderType": "system", "content": "[拍一拍]"}
 
     if app_type == 2000 or (

src/wechat_decrypt_tool/routers/chat.py

@@ -2742,6 +2742,90 @@ def _postprocess_transfer_messages(merged: list[dict[str, Any]]) -> None:
     # - 将原始转账消息（1/8）回填为“已被接收”
     # - 若同一 transferId 同时存在原始消息与 paysubtype=3 消息，则将 paysubtype=3 的那条校正为“已收款”
 
+    def _is_transfer_expired_system_message(text: Any) -> bool:
+        content = str(text or "").strip()
+        if not content:
+            return False
+        if "转账" not in content or "过期" not in content:
+            return False
+        if "未接收" in content and ("24小时" in content or "二十四小时" in content):
+            return True
+        return "已过期" in content and ("收款方" in content or "转账" in content)
+
+    def _mark_pending_transfers_expired_by_system_messages() -> set[str]:
+        expired_system_times: list[int] = []
+        pending_candidates: list[tuple[int, int]] = []  # (index, createTime)
+
+        for idx, msg in enumerate(merged):
+            rt = str(msg.get("renderType") or "").strip()
+            if rt == "system":
+                if _is_transfer_expired_system_message(msg.get("content")):
+                    try:
+                        ts = int(msg.get("createTime") or 0)
+                    except Exception:
+                        ts = 0
+                    if ts > 0:
+                        expired_system_times.append(ts)
+                continue
+
+            if rt != "transfer":
+                continue
+
+            pst = str(msg.get("paySubType") or "").strip()
+            if pst not in ("1", "8"):
+                continue
+
+            try:
+                ts = int(msg.get("createTime") or 0)
+            except Exception:
+                ts = 0
+            if ts <= 0:
+                continue
+
+            pending_candidates.append((idx, ts))
+
+        if not expired_system_times or not pending_candidates:
+            return set()
+
+        used_pending_indexes: set[int] = set()
+        expired_transfer_ids: set[str] = set()
+
+        # 过期系统提示通常出现在转账发起约 24 小时后。
+        # 为避免误匹配，要求时间差落在 [22h, 26h] 范围内，并选择最接近 24h 的待收款消息。
+        for sys_ts in sorted(expired_system_times):
+            best_index = -1
+            best_distance = 10**9
+
+            for idx, transfer_ts in pending_candidates:
+                if idx in used_pending_indexes:
+                    continue
+                delta = sys_ts - transfer_ts
+                if delta < 0:
+                    continue
+                if delta < 22 * 3600 or delta > 26 * 3600:
+                    continue
+
+                distance = abs(delta - 24 * 3600)
+                if distance < best_distance:
+                    best_distance = distance
+                    best_index = idx
+
+            if best_index < 0:
+                continue
+
+            used_pending_indexes.add(best_index)
+            transfer_msg = merged[best_index]
+            transfer_msg["paySubType"] = "10"
+            transfer_msg["transferStatus"] = "已过期"
+
+            tid = str(transfer_msg.get("transferId") or "").strip()
+            if tid:
+                expired_transfer_ids.add(tid)
+
+        return expired_transfer_ids
+
+    expired_transfer_ids = _mark_pending_transfers_expired_by_system_messages()
+
     returned_transfer_ids: set[str] = set()  # 退还状态的 transferId
     received_transfer_ids: set[str] = set()  # 已收款状态的 transferId
     returned_amounts_with_time: list[tuple[str, int]] = []  # (金额, 时间戳) 用于退还回退匹配
@@ -2828,6 +2912,8 @@ def _postprocess_transfer_messages(merged: list[dict[str, Any]]) -> None:
         tid = str(m.get("transferId") or "").strip()
         if not tid or tid not in pending_transfer_ids:
             continue
+        if tid in expired_transfer_ids:
+            continue
         mid = str(m.get("id") or "").strip()
         if mid and mid in backfilled_message_ids:
             continue

src/wechat_decrypt_tool/routers/chat_export.py

@@ -12,17 +12,31 @@ from ..path_fix import PathFixRoute
 
 router = APIRouter(route_class=PathFixRoute)
 
-ExportFormat = Literal["json", "txt"]
+ExportFormat = Literal["json", "txt", "html"]
 ExportScope = Literal["selected", "all", "groups", "singles"]
 MediaKind = Literal["image", "emoji", "video", "video_thumb", "voice", "file"]
-MessageType = Literal["text", "image", "emoji", "video", "voice", "file", "link", "transfer", "redPacket", "system", "quote", "voip"]
+MessageType = Literal[
+    "text",
+    "image",
+    "emoji",
+    "video",
+    "voice",
+    "chatHistory",
+    "file",
+    "link",
+    "transfer",
+    "redPacket",
+    "system",
+    "quote",
+    "voip",
+]
 
 
 class ChatExportCreateRequest(BaseModel):
     account: Optional[str] = Field(None, description="账号目录名（可选，默认使用第一个）")
     scope: ExportScope = Field("selected", description="导出范围：selected=指定会话；all=全部；groups=仅群聊；singles=仅单聊")
     usernames: list[str] = Field(default_factory=list, description="会话 username 列表（scope=selected 时使用）")
-    format: ExportFormat = Field("json", description="导出格式：json 或 txt（zip 内每个会话一个文件）")
+    format: ExportFormat = Field("json", description="导出格式：json/txt/html（zip 内每个会话一个文件；html 可离线打开 index.html 查看）")
     start_time: Optional[int] = Field(None, description="起始时间（Unix 秒，含）")
     end_time: Optional[int] = Field(None, description="结束时间（Unix 秒，含）")
     include_hidden: bool = Field(False, description="是否包含隐藏会话（scope!=selected 时）")
@@ -41,6 +55,10 @@ class ChatExportCreateRequest(BaseModel):
         False,
         description="预留字段：本项目不从微信进程提取媒体密钥，请使用 wx_key 获取并保存/批量解密",
     )
+    download_remote_media: bool = Field(
+        False,
+        description="HTML 导出时允许联网下载链接/引用缩略图等远程媒体（提高离线完整性）",
+    )
     privacy_mode: bool = Field(
         False,
         description="隐私模式导出：隐藏会话/用户名/内容，不打包头像与媒体",
@@ -64,6 +82,7 @@ async def create_chat_export(req: ChatExportCreateRequest):
         message_types=req.message_types,
         output_dir=req.output_dir,
         allow_process_key_extract=req.allow_process_key_extract,
+        download_remote_media=req.download_remote_media,
         privacy_mode=req.privacy_mode,
         file_name=req.file_name,
     )

src/wechat_decrypt_tool/routers/sns.py

@@ -1,15 +1,18 @@
 from bisect import bisect_left, bisect_right
 from functools import lru_cache
 from pathlib import Path
+import hashlib
 import json
 import re
+import httpx
+import html # 修复&转义的问题！！！
 import sqlite3
 import time
 import xml.etree.ElementTree as ET
 from typing import Any, Optional
 
 from fastapi import APIRouter, HTTPException
-from fastapi.responses import Response
+from fastapi.responses import Response, FileResponse  # 返回视频文件
 from pydantic import BaseModel, Field
 
 from ..chat_helpers import _load_contact_rows, _pick_display_name, _resolve_account_dir
@@ -92,12 +95,17 @@ def _parse_timeline_xml(xml_text: str, fallback_username: str) -> dict[str, Any]
         "media": [],
         "likes": [],
         "comments": [],
+        "type": 1,  # 默认类型
+        "title": "",
+        "contentUrl": "",
+        "finderFeed": {}
     }
 
     xml_str = str(xml_text or "").strip()
     if not xml_str:
         return out
 
+
     try:
         root = ET.fromstring(xml_str)
     except Exception:
@@ -112,54 +120,72 @@ def _parse_timeline_xml(xml_text: str, fallback_username: str) -> dict[str, Any]
             if isinstance(v, str) and v.strip():
                 return v.strip()
         return ""
+    # &amp转义！！
+    def _clean_url(u: str) -> str:
+        if not u:
+            return ""
 
-    out["username"] = (
-        _find_text(".//TimelineObject/username", ".//TimelineObject/user_name", ".//TimelineObject/userName", ".//username")
-        or fallback_username
-    )
+        cleaned = html.unescape(u)
+        cleaned = cleaned.replace("&", "&")
+        return cleaned.strip()
+
+    out["username"] = _find_text(".//TimelineObject/username", ".//TimelineObject/user_name",
+                                 ".//username") or fallback_username
     out["createTime"] = _safe_int(_find_text(".//TimelineObject/createTime", ".//createTime"))
     out["contentDesc"] = _find_text(".//TimelineObject/contentDesc", ".//contentDesc")
     out["location"] = _build_location_text(root.find(".//location"))
 
+    # --- 提取内容类型 ---
+    post_type = _safe_int(_find_text(".//ContentObject/type", ".//type"))
+    out["type"] = post_type
+
+    # --- 如果是公众号文章 (Type 3) ---
+    if post_type == 3:
+        out["title"] = _find_text(".//ContentObject/title")
+        out["contentUrl"] = _clean_url(_find_text(".//ContentObject/contentUrl"))
+
+    # --- 如果是视频号 (Type 28) ---
+    if post_type == 28:
+        out["title"] = _find_text(".//ContentObject/title")
+        out["contentUrl"] = _clean_url(_find_text(".//ContentObject/contentUrl"))
+        out["finderFeed"] = {
+            "nickname": _find_text(".//finderFeed/nickname"),
+            "desc": _find_text(".//finderFeed/desc"),
+            "thumbUrl": _clean_url(
+                _find_text(".//finderFeed/mediaList/media/thumbUrl", ".//finderFeed/mediaList/media/coverUrl")),
+            "url": _clean_url(_find_text(".//finderFeed/mediaList/media/url"))
+        }
+
     media: list[dict[str, Any]] = []
     try:
         for m in root.findall(".//mediaList//media"):
             mt = _safe_int(m.findtext("type"))
+            url_el = m.find("url") if m.find("url") is not None else m.find("urlV")
+            thumb_el = m.find("thumb") if m.find("thumb") is not None else m.find("thumbV")
 
-            # WeChat stores important download/auth hints in attributes (key/enc_idx/token/md5...).
-            # NOTE: xml.etree.ElementTree.Element is falsy when it has no children.
-            # So we must check `is None` instead of using `or`, otherwise `<url>` would be treated as missing.
-            url_el = m.find("url")
-            if url_el is None:
-                url_el = m.find("urlV")
-            thumb_el = m.find("thumb")
-            if thumb_el is None:
-                thumb_el = m.find("thumbV")
-
-            url = str((url_el.text if url_el is not None else "") or "").strip()
-            thumb = str((thumb_el.text if thumb_el is not None else "") or "").strip()
+            url = _clean_url(url_el.text if url_el is not None else "")
+            thumb = _clean_url(thumb_el.text if thumb_el is not None else "")
 
             url_attrs = dict(url_el.attrib) if url_el is not None and url_el.attrib else {}
             thumb_attrs = dict(thumb_el.attrib) if thumb_el is not None and thumb_el.attrib else {}
-
             media_id = str(m.findtext("id") or "").strip()
             size_el = m.find("size")
             size = dict(size_el.attrib) if size_el is not None and size_el.attrib else {}
+
             if not url and not thumb:
                 continue
-            media.append(
-                {
-                    "type": mt,
-                    "id": media_id,
-                    "url": url,
-                    "thumb": thumb,
-                    "urlAttrs": url_attrs,
-                    "thumbAttrs": thumb_attrs,
-                    "size": size,
-                }
-            )
+
+            media.append({
+                "type": mt,
+                "id": media_id,
+                "url": url,
+                "thumb": thumb,
+                "urlAttrs": url_attrs,
+                "thumbAttrs": thumb_attrs,
+                "size": size,
+            })
     except Exception:
-        media = []
+        pass
     out["media"] = media
 
     likes: list[str] = []
@@ -423,6 +449,58 @@ def _sns_img_roots(wxid_dir_str: str) -> tuple[str, ...]:
     roots.sort()
     return tuple(roots)
 
+@lru_cache(maxsize=16)
+def _sns_video_roots(wxid_dir_str: str) -> tuple[str, ...]:
+    """List all month cache roots that contain `Sns/Video`."""
+    wxid_dir = Path(str(wxid_dir_str or "").strip())
+    cache_root = wxid_dir / "cache"
+    try:
+        month_dirs = [p for p in cache_root.iterdir() if p.is_dir()]
+    except Exception:
+        month_dirs = []
+
+    roots: list[str] = []
+    for mdir in month_dirs:
+        video_root = mdir / "Sns" / "Video"
+        try:
+            if video_root.exists() and video_root.is_dir():
+                roots.append(str(video_root))
+        except Exception:
+            continue
+    roots.sort()
+    return tuple(roots)
+
+def _resolve_sns_cached_video_path(
+    wxid_dir: Path,
+    post_id: str,
+    media_id: str
+) -> Optional[str]:
+    """基于逆向出的固定盐值 3，解析朋友圈视频的本地缓存路径"""
+    if not post_id or not media_id:
+        return None
+
+    raw_key = f"{post_id}_{media_id}_3"  # 暂时硬编码，大概率是对的
+    try:
+        key32 = hashlib.md5(raw_key.encode("utf-8")).hexdigest()
+    except Exception:
+        return None
+
+    sub = key32[:2]
+    rest = key32[2:]
+
+    roots = _sns_video_roots(str(wxid_dir))
+    for root_str in roots:
+        try:
+            base_path = Path(root_str) / sub / rest
+            for ext in [".mp4", ".tmp"]:
+                p = base_path.with_suffix(ext)
+                if p.exists() and p.is_file():
+                    return str(p)
+        except Exception:
+            continue
+
+    return None
+
 
 def _resolve_sns_cached_image_path_by_md5(
     *,
@@ -471,6 +549,21 @@ def _sns_cache_key_from_path(p: Path) -> str:
     return _normalize_hex32(key)
 
 
+def _generate_sns_cache_key(tid: str, media_id: str, media_type: int = 2) -> str:
+    """
+    公式: md5(tid_mediaId_type)
+    Example: 14852422213384352392_14852422213963625090_2 -> 6d479249ca5a090fab5c42c79bc56b89
+    """
+    if not tid or not media_id:
+        return ""
+
+    raw_key = f"{tid}_{media_id}_{media_type}"
+
+    try:
+        return hashlib.md5(raw_key.encode("utf-8")).hexdigest()
+    except Exception:
+        return ""
+
 def _resolve_sns_cached_image_path_by_cache_key(
     *,
     wxid_dir: Path,
@@ -670,6 +763,133 @@ def _list_sns_cached_image_candidate_keys(
 
     return tuple(out)
 
+def _get_sns_cover(account_dir: Path, target_wxid: str) -> Optional[dict[str, Any]]:
+    """无论多古老，强行揪出用户最近的一次朋友圈封面 (type=7)"""
+    cover_sql = f"SELECT tid, content FROM SnsTimeLine WHERE user_name = '{target_wxid}' AND content LIKE '%<type>7</type>%' ORDER BY tid DESC LIMIT 1"
+    cover_xml = None
+    cover_tid = None
+
+    try:
+        if WCDB_REALTIME.is_connected(account_dir.name):
+            conn = WCDB_REALTIME.ensure_connected(account_dir)
+            with conn.lock:
+                sns_db_path = conn.db_storage_dir / "sns" / "sns.db"
+                if not sns_db_path.exists():
+                    sns_db_path = conn.db_storage_dir / "sns.db"
+                # 利用 exec_query 强行查
+                rows = _wcdb_exec_query(conn.handle, kind="media", path=str(sns_db_path), sql=cover_sql)
+                if rows:
+                    cover_xml = rows[0].get("content")
+                    cover_tid = rows[0].get("tid")
+    except Exception as e:
+        logger.warning(f"[sns] WCDB cover fetch failed: {e}")
+
+    # 2. 如果没查到，降级从本地解密的 sns.db 查
+    if not cover_xml:
+        sns_db_path = account_dir / "sns.db"
+        if sns_db_path.exists():
+            try:
+                # 只读模式防止锁死
+                conn_sq = sqlite3.connect(f"file:{sns_db_path}?mode=ro", uri=True)
+                conn_sq.row_factory = sqlite3.Row
+                row = conn_sq.execute(cover_sql).fetchone()
+                if row:
+                    cover_xml = str(row["content"] or "")
+                    cover_tid = row["tid"]
+                conn_sq.close()
+            except Exception as e:
+                logger.warning(f"[sns] SQLite cover fetch failed: {e}")
+
+    if cover_xml:
+        parsed = _parse_timeline_xml(cover_xml, target_wxid)
+        return {
+            "id": str(cover_tid or ""),
+            "media": parsed.get("media", []),
+            "type": 7
+        }
+    return None
+
+
+
+
+@router.get("/api/sns/self_info", summary="获取个人信息（wxid和nickname）")
+def api_sns_self_info(account: Optional[str] = None):
+
+    account_dir = _resolve_account_dir(account)
+    wxid = account_dir.name
+
+    logger.info(f"[self_info] 开始获取账号信息, 预设 wxid: {wxid}")
+
+    nickname = wxid
+    source = "wxid_dir"
+
+    try:
+        status = WCDB_REALTIME.get_status(account_dir)
+        if status.get("dll_present") and status.get("key_present"):
+            rt_conn = WCDB_REALTIME.ensure_connected(account_dir)
+            with rt_conn.lock:
+
+                names_map = _wcdb_get_display_names(rt_conn.handle, [wxid])
+                if names_map and names_map.get(wxid):
+                    nickname = names_map[wxid]
+                    source = "wcdb_realtime"
+                    logger.info(f"[self_info] 从 WCDB 实时连接获取成功: {nickname}")
+                    return {"wxid": wxid, "nickname": nickname, "source": source}
+    except Exception as e:
+        logger.debug(f"[self_info] WCDB 路径跳过或失败: {e}")
+
+    contact_db_path = account_dir / "contact.db"
+    if contact_db_path.exists():
+        conn = None
+        try:
+            db_uri = f"file:{contact_db_path}?mode=ro"
+            conn = sqlite3.connect(db_uri, uri=True, timeout=5)
+            conn.row_factory = sqlite3.Row
+
+            cursor = conn.execute("PRAGMA table_info(contact)")
+            cols = {row["name"].lower() for row in cursor.fetchall()}
+            logger.debug(f"[self_info] contact 表现有字段: {cols}")
+
+            target_nick_col = "nick_name" if "nick_name" in cols else ("nickname" if "nickname" in cols else None)
+
+            if target_nick_col:
+                sql = f"SELECT remark, {target_nick_col} as nickname_val, alias FROM contact WHERE username = ? LIMIT 1"
+                row = conn.execute(sql, (wxid,)).fetchone()
+
+
+                if row:
+                    raw_remark = str(row["remark"] or "").strip() if "remark" in row.keys() else ""
+                    raw_nick = str(row["nickname_val"] or "").strip()
+                    raw_alias = str(row["alias"] or "").strip() if "alias" in row.keys() else ""
+
+                    if raw_remark:
+                        nickname = raw_remark
+                        source = "contact_db_remark"
+                    elif raw_nick:
+                        nickname = raw_nick
+                        source = "contact_db_nickname"
+                    elif raw_alias:
+                        nickname = raw_alias
+                        source = "contact_db_alias"
+
+                    logger.info(f"[self_info] 从数据库提取成功: {nickname} (src: {source})")
+            else:
+                logger.warning("[self_info] contact 表中找不到任何昵称相关字段")
+
+        except sqlite3.OperationalError as e:
+            logger.error(f"[self_info] 数据库繁忙或锁定: {e}")
+        except Exception as e:
+            logger.exception(f"[self_info] 查询异常: {e}")
+        finally:
+            if conn: conn.close()
+    else:
+        logger.warning(f"[self_info] 找不到 contact.db: {contact_db_path}")
+
+    return {
+        "wxid": wxid,
+        "nickname": nickname,
+        "source": source
+    }
 
 @router.get("/api/sns/timeline", summary="获取朋友圈时间线")
 def list_sns_timeline(
@@ -692,6 +912,11 @@ def list_sns_timeline(
     users = _parse_csv_list(usernames)
     kw = str(keyword or "").strip()
 
+    cover_data = None
+    if offset == 0:
+        target_wxid = users[0] if users else account_dir.name
+        cover_data = _get_sns_cover(account_dir, target_wxid)
+
     # Prefer real-time WCDB access (reads the latest encrypted db_storage/sns/sns.db).
     # Fallback to the decrypted sqlite copy in output/{account}/sns.db.
     try:
@@ -773,6 +998,11 @@ def list_sns_timeline(
 
             # Enrich with parsed XML when available.
             location = str(r.get("location") or "")
+
+            post_type = 1
+            title = ""
+            content_url = ""
+            finder_feed = {}
             try:
                 tid_u = int(r.get("id") or 0)
                 tid_s = (tid_u & 0xFFFFFFFFFFFFFFFF)
@@ -783,6 +1013,16 @@ def list_sns_timeline(
                     parsed = _parse_timeline_xml(xml, uname)
                     if parsed.get("location"):
                         location = str(parsed.get("location") or "")
+
+                    post_type = parsed.get("type", 1)
+
+                    if post_type == 7:  #  朋友圈封面
+                        continue
+
+                    title = parsed.get("title", "")
+                    content_url = parsed.get("contentUrl", "")
+                    finder_feed = parsed.get("finderFeed", {})
+
                     pmedia = parsed.get("media") or []
                     if isinstance(pmedia, list) and isinstance(media, list) and pmedia:
                         # Merge by index (best-effort).
@@ -819,10 +1059,21 @@ def list_sns_timeline(
                     "media": media,
                     "likes": likes,
                     "comments": comments,
+                    "type": post_type,
+                    "title": title,
+                    "contentUrl": content_url,
+                    "finderFeed": finder_feed,
                 }
             )
 
-        return {"timeline": timeline, "hasMore": has_more, "limit": limit, "offset": offset, "source": "wcdb"}
+        return {
+            "timeline": timeline,
+            "hasMore": has_more,
+            "limit": limit,
+            "offset": offset,
+            "source": "wcdb",
+            "cover": cover_data,
+        }
     except WCDBRealtimeError as e:
         logger.info("[sns] wcdb realtime unavailable: %s", e)
     except Exception as e:
@@ -895,10 +1146,20 @@ def list_sns_timeline(
                 "media": parsed.get("media") or [],
                 "likes": parsed.get("likes") or [],
                 "comments": parsed.get("comments") or [],
+                "type": parsed.get("type", 1),
+                "title": parsed.get("title", ""),
+                "contentUrl": parsed.get("contentUrl", ""),
+                "finderFeed": parsed.get("finderFeed", {}),
             }
         )
 
-    return {"timeline": timeline, "hasMore": has_more, "limit": limit, "offset": offset}
+    return {
+        "timeline": timeline,
+        "hasMore": has_more,
+        "limit": limit,
+        "offset": offset,
+        "cover": cover_data,
+    }
 
 
 class SnsMediaPicksSaveRequest(BaseModel):
@@ -944,19 +1205,76 @@ def list_sns_media_candidates(
 
 @router.get("/api/sns/media", summary="获取朋友圈图片（本地缓存优先）")
 async def get_sns_media(
-    account: Optional[str] = None,
-    create_time: int = 0,
-    width: int = 0,
-    height: int = 0,
-    total_size: int = 0,
-    idx: int = 0,
-    avoid_picked: int = 0,
-    post_id: Optional[str] = None,
-    pick: Optional[str] = None,
-    md5: Optional[str] = None,
-    url: Optional[str] = None,
+        account: Optional[str] = None,
+        create_time: int = 0,
+        width: int = 0,
+        height: int = 0,
+        total_size: int = 0,
+        idx: int = 0,
+        avoid_picked: int = 0,
+        post_id: Optional[str] = None,
+        media_id: Optional[str] = None,
+        post_type: int = 1,
+        media_type: int = 2,
+        pick: Optional[str] = None,
+        md5: Optional[str] = None,
+        url: Optional[str] = None,
 ):
     account_dir = _resolve_account_dir(account)
+    wxid_dir = _resolve_account_wxid_dir(account_dir)
+
+    if wxid_dir and post_id and media_id:
+        if int(post_type) == 7:
+            raw_key = f"{post_id}_{media_id}_4"  # 硬编码
+
+            md5_str = hashlib.md5(raw_key.encode("utf-8")).hexdigest()
+            bkg_path = wxid_dir / "business" / "sns" / "bkg" / md5_str[:2] / md5_str
+
+            if bkg_path.exists() and bkg_path.is_file():
+                print(f"===== Hit Bkg Cover ======= {bkg_path}")
+
+                return FileResponse(bkg_path, media_type="image/jpeg",
+                                    headers={"Cache-Control": "public, max-age=31536000"})
+        exact_match_path = None
+        hit_type = ""
+
+        # 尝试 1: 使用 post_type 计算 MD5
+        key_post = _generate_sns_cache_key(post_id, media_id, post_type)
+        exact_match_path = _resolve_sns_cached_image_path_by_cache_key(
+            wxid_dir=wxid_dir,
+            cache_key=key_post,
+            create_time=0
+        )
+        if exact_match_path:
+            hit_type = "post_type"
+
+        # 尝试 2: 如果没找到，并且 media_type 和 post_type 不一样，再试一次
+        if not exact_match_path and post_type != media_type:
+            key_media = _generate_sns_cache_key(post_id, media_id, media_type)
+            exact_match_path = _resolve_sns_cached_image_path_by_cache_key(
+                wxid_dir=wxid_dir,
+                cache_key=key_media,
+                create_time=0
+            )
+            if exact_match_path:
+                hit_type = "media_type"
+
+        # 如果通过这两种精确定位找到了文件，直接返回
+        if exact_match_path:
+            print(f"=====exact_match_path======={exact_match_path}============= (Hit: {hit_type})")
+            try:
+                payload, mtype = _read_and_maybe_decrypt_media(Path(exact_match_path), account_dir)
+                if payload and str(mtype or "").startswith("image/"):
+                    resp = Response(content=payload, media_type=str(mtype or "image/jpeg"))
+                    resp.headers["Cache-Control"] = "public, max-age=31536000"
+                    resp.headers["X-SNS-Source"] = "deterministic-hash"
+                    # 在 Header 里塞入到底是哪个 type 命中的，方便 F12 调试
+                    resp.headers["X-SNS-Hit-Type"] = hit_type
+                    return resp
+            except Exception:
+                pass
+
+        print("no exact match path, falling back...")
 
     # 0) User-picked cache key override (stable across candidate ordering).
     pick_key = _normalize_hex32(pick)
@@ -1066,3 +1384,60 @@ async def get_sns_media(
         raise
     except Exception as e:
         raise HTTPException(status_code=502, detail=f"Fetch sns media failed: {e}")
+
+
+@router.get("/api/sns/article_thumb", summary="提取公众号文章封面图")
+async def proxy_article_thumb(url: str):
+    u = str(url or "").strip()
+    if not u.startswith("http"):
+        raise HTTPException(status_code=400, detail="Invalid URL")
+
+    try:
+        async with httpx.AsyncClient(timeout=10.0) as client:
+            headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36"}
+            resp = await client.get(u, headers=headers)
+            resp.raise_for_status()
+            html_text = resp.text
+
+            match = re.search(r'["\'](https?://[^"\']*?mmbiz_[a-zA-Z]+[^"\']*?)["\']', html_text)
+
+            if not match:
+                raise HTTPException(status_code=404, detail="未在 HTML 中找到图片 URL")
+
+            img_url = match.group(1)
+            img_url = html.unescape(img_url).replace("&amp;", "&")
+
+            img_resp = await client.get(img_url, headers=headers)
+            img_resp.raise_for_status()
+
+            return Response(
+                content=img_resp.content,
+                media_type=img_resp.headers.get("Content-Type", "image/jpeg")
+            )
+
+    except Exception as e:
+        logger.warning(f"[sns] 提取公众号封面失败 url={u[:50]}... : {e}")
+        raise HTTPException(status_code=404, detail="无法获取文章封面")
+
+
+@router.get("/api/sns/video", summary="获取朋友圈本地缓存视频")
+async def get_sns_video(
+        account: Optional[str] = None,
+        post_id: Optional[str] = None,
+        media_id: Optional[str] = None,
+):
+    if not post_id or not media_id:
+        raise HTTPException(status_code=400, detail="Missing post_id or media_id")
+
+    account_dir = _resolve_account_dir(account)
+    wxid_dir = _resolve_account_wxid_dir(account_dir)
+
+    if not wxid_dir:
+        raise HTTPException(status_code=404, detail="WXID dir not found")
+
+    video_path = _resolve_sns_cached_video_path(wxid_dir, post_id, media_id)
+
+    if not video_path:
+        raise HTTPException(status_code=404, detail="Local video cache not found")
+
+    return FileResponse(video_path, media_type="video/mp4")

src/wechat_decrypt_tool/wrapped/service.py

@@ -16,15 +16,16 @@ from .cards.card_00_global_overview import build_card_00_global_overview
 from .cards.card_01_cyber_schedule import WeekdayHourHeatmap, build_card_01_cyber_schedule, compute_weekday_hour_heatmap
 from .cards.card_02_message_chars import build_card_02_message_chars
 from .cards.card_03_reply_speed import build_card_03_reply_speed
+from .cards.card_04_emoji_universe import build_card_04_emoji_universe
 
 logger = get_logger(__name__)
 
 
 # We use this number to version the cache filename so adding more cards won't accidentally serve
 # an older partial cache.
-_IMPLEMENTED_UPTO_ID = 3
+_IMPLEMENTED_UPTO_ID = 4
 # Bump this when we change card payloads/ordering while keeping the same implemented_upto.
-_CACHE_VERSION = 9
+_CACHE_VERSION = 15
 
 
 # "Manifest" is used by the frontend to render the deck quickly, then lazily fetch each card.
@@ -58,6 +59,13 @@ _WRAPPED_CARD_MANIFEST: tuple[dict[str, Any], ...] = (
         "category": "B",
         "kind": "chat/reply_speed",
     },
+    {
+        "id": 4,
+        "title": "这一年，你的表情包里藏了多少心情？",
+        "scope": "global",
+        "category": "B",
+        "kind": "emoji/annual_universe",
+    },
 )
 _WRAPPED_CARD_ID_SET = {int(c["id"]) for c in _WRAPPED_CARD_MANIFEST}
 
@@ -274,7 +282,7 @@ def build_wrapped_annual_response(
 ) -> dict[str, Any]:
     """Build annual wrapped response for the given account/year.
 
-    For now we implement cards up to id=3 (plus a meta overview card id=0).
+    For now we implement cards up to id=4 (plus a meta overview card id=0).
     """
 
     account_dir = _resolve_account_dir(account)
@@ -317,6 +325,8 @@ def build_wrapped_annual_response(
     cards.append(build_card_02_message_chars(account_dir=account_dir, year=y))
     # Page 5: reply speed / best chat buddy.
     cards.append(build_card_03_reply_speed(account_dir=account_dir, year=y))
+    # Page 6: annual emoji universe / meme almanac.
+    cards.append(build_card_04_emoji_universe(account_dir=account_dir, year=y))
 
     obj: dict[str, Any] = {
         "account": account_dir.name,
@@ -508,6 +518,8 @@ def build_wrapped_annual_card(
             card = build_card_02_message_chars(account_dir=account_dir, year=y)
         elif cid == 3:
             card = build_card_03_reply_speed(account_dir=account_dir, year=y)
+        elif cid == 4:
+            card = build_card_04_emoji_universe(account_dir=account_dir, year=y)
         else:
             # Should be unreachable due to _WRAPPED_CARD_ID_SET check.
             raise ValueError(f"Unknown Wrapped card id: {cid}")

tests/test_chat_app_message_type4_patmsg_regression.py

@@ -0,0 +1,50 @@
+import sys
+import unittest
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[1]
+sys.path.insert(0, str(ROOT / "src"))
+
+from wechat_decrypt_tool.chat_helpers import _parse_app_message
+
+
+class TestChatAppMessageType4PatMsgRegression(unittest.TestCase):
+    def test_type4_link_with_patmsg_metadata_is_not_misclassified_as_pat(self):
+        raw_text = (
+            "<msg>"
+            '<appmsg appid="wxcb8d4298c6a09bcb" sdkver="0">'
+            "<title>【中配】抽象可能让你的代码变差 - CodeAesthetic</title>"
+            "<des>UP主：黑纹白斑马</des>"
+            "<type>4</type>"
+            "<url>https://b23.tv/au68guF</url>"
+            "<appname>哔哩哔哩</appname>"
+            "<appattach><cdnthumburl>3057020100044b30</cdnthumburl></appattach>"
+            "<patMsg><chatUser /></patMsg>"
+            "</appmsg>"
+            "</msg>"
+        )
+
+        parsed = _parse_app_message(raw_text)
+        self.assertEqual(parsed.get("renderType"), "link")
+        self.assertEqual(parsed.get("url"), "https://b23.tv/au68guF")
+        self.assertEqual(parsed.get("title"), "【中配】抽象可能让你的代码变差 - CodeAesthetic")
+        self.assertEqual(parsed.get("from"), "哔哩哔哩")
+        self.assertNotEqual(parsed.get("content"), "[拍一拍]")
+
+    def test_type62_is_still_pat(self):
+        raw_text = '<msg><appmsg><title>"A" 拍了拍 "B"</title><type>62</type></appmsg></msg>'
+        parsed = _parse_app_message(raw_text)
+        self.assertEqual(parsed.get("renderType"), "system")
+        self.assertEqual(parsed.get("content"), "[拍一拍]")
+
+    def test_sysmsg_type_patmsg_attr_is_still_pat(self):
+        raw_text = '<sysmsg type="patmsg"><foo>bar</foo></sysmsg>'
+        parsed = _parse_app_message(raw_text)
+        self.assertEqual(parsed.get("renderType"), "system")
+        self.assertEqual(parsed.get("content"), "[拍一拍]")
+
+
+if __name__ == "__main__":
+    unittest.main()
+

tests/test_chat_export_chat_history_modal.py

@@ -0,0 +1,218 @@
+import os
+import hashlib
+import sqlite3
+import sys
+import unittest
+import zipfile
+import importlib
+from pathlib import Path
+from tempfile import TemporaryDirectory
+
+
+ROOT = Path(__file__).resolve().parents[1]
+sys.path.insert(0, str(ROOT / "src"))
+
+
+class TestChatExportChatHistoryModal(unittest.TestCase):
+    _MD5 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+
+    def _reload_export_modules(self):
+        import wechat_decrypt_tool.app_paths as app_paths
+        import wechat_decrypt_tool.chat_helpers as chat_helpers
+        import wechat_decrypt_tool.media_helpers as media_helpers
+        import wechat_decrypt_tool.chat_export_service as chat_export_service
+
+        importlib.reload(app_paths)
+        importlib.reload(chat_helpers)
+        importlib.reload(media_helpers)
+        importlib.reload(chat_export_service)
+        return chat_export_service
+
+    def _seed_contact_db(self, path: Path, *, account: str, username: str) -> None:
+        conn = sqlite3.connect(str(path))
+        try:
+            conn.execute(
+                """
+                CREATE TABLE contact (
+                    username TEXT,
+                    remark TEXT,
+                    nick_name TEXT,
+                    alias TEXT,
+                    local_type INTEGER,
+                    verify_flag INTEGER,
+                    big_head_url TEXT,
+                    small_head_url TEXT
+                )
+                """
+            )
+            conn.execute(
+                """
+                CREATE TABLE stranger (
+                    username TEXT,
+                    remark TEXT,
+                    nick_name TEXT,
+                    alias TEXT,
+                    local_type INTEGER,
+                    verify_flag INTEGER,
+                    big_head_url TEXT,
+                    small_head_url TEXT
+                )
+                """
+            )
+            conn.execute(
+                "INSERT INTO contact VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+                (account, "", "我", "", 1, 0, "", ""),
+            )
+            conn.execute(
+                "INSERT INTO contact VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+                (username, "", "测试好友", "", 1, 0, "", ""),
+            )
+            conn.commit()
+        finally:
+            conn.close()
+
+    def _seed_session_db(self, path: Path, *, username: str) -> None:
+        conn = sqlite3.connect(str(path))
+        try:
+            conn.execute(
+                """
+                CREATE TABLE SessionTable (
+                    username TEXT,
+                    is_hidden INTEGER,
+                    sort_timestamp INTEGER
+                )
+                """
+            )
+            conn.execute(
+                "INSERT INTO SessionTable VALUES (?, ?, ?)",
+                (username, 0, 1735689600),
+            )
+            conn.commit()
+        finally:
+            conn.close()
+
+    def _seed_message_db(self, path: Path, *, account: str, username: str) -> None:
+        conn = sqlite3.connect(str(path))
+        try:
+            conn.execute("CREATE TABLE Name2Id (rowid INTEGER PRIMARY KEY, user_name TEXT)")
+            conn.execute("INSERT INTO Name2Id(rowid, user_name) VALUES (?, ?)", (1, account))
+            conn.execute("INSERT INTO Name2Id(rowid, user_name) VALUES (?, ?)", (2, username))
+
+            table_name = f"msg_{hashlib.md5(username.encode('utf-8')).hexdigest()}"
+            conn.execute(
+                f"""
+                CREATE TABLE {table_name} (
+                    local_id INTEGER,
+                    server_id INTEGER,
+                    local_type INTEGER,
+                    sort_seq INTEGER,
+                    real_sender_id INTEGER,
+                    create_time INTEGER,
+                    message_content TEXT,
+                    compress_content BLOB
+                )
+                """
+            )
+
+            record_item = (
+                "<recorditem>"
+                "<datalist>"
+                "<dataitem>"
+                "<datatype>2</datatype>"
+                f"<fullmd5>{self._MD5}</fullmd5>"
+                "</dataitem>"
+                "</datalist>"
+                "</recorditem>"
+            )
+            chat_history_xml = (
+                "<msg><appmsg>"
+                "<type>19</type>"
+                "<title>聊天记录</title>"
+                "<des>记录预览</des>"
+                f"<recorditem><![CDATA[{record_item}]]></recorditem>"
+                "</appmsg></msg>"
+            )
+
+            conn.execute(
+                f"INSERT INTO {table_name} (local_id, server_id, local_type, sort_seq, real_sender_id, create_time, message_content, compress_content) VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+                (1, 1001, 49, 1, 2, 1735689601, chat_history_xml, None),
+            )
+            conn.commit()
+        finally:
+            conn.close()
+
+    def _seed_media_files(self, account_dir: Path) -> None:
+        resource_root = account_dir / "resource"
+        (resource_root / "aa").mkdir(parents=True, exist_ok=True)
+        (resource_root / "aa" / f"{self._MD5}.jpg").write_bytes(b"\xff\xd8\xff\xd9")
+
+    def _prepare_account(self, root: Path, *, account: str, username: str) -> Path:
+        account_dir = root / "output" / "databases" / account
+        account_dir.mkdir(parents=True, exist_ok=True)
+
+        self._seed_contact_db(account_dir / "contact.db", account=account, username=username)
+        self._seed_session_db(account_dir / "session.db", username=username)
+        self._seed_message_db(account_dir / "message_0.db", account=account, username=username)
+        self._seed_media_files(account_dir)
+        return account_dir
+
+    def _create_job(self, manager, *, account: str, username: str):
+        job = manager.create_job(
+            account=account,
+            scope="selected",
+            usernames=[username],
+            export_format="html",
+            start_time=None,
+            end_time=None,
+            include_hidden=False,
+            include_official=False,
+            include_media=True,
+            media_kinds=["image"],
+            message_types=["chatHistory", "image"],
+            output_dir=None,
+            allow_process_key_extract=False,
+            download_remote_media=False,
+            privacy_mode=False,
+            file_name=None,
+        )
+
+        for _ in range(200):
+            latest = manager.get_job(job.export_id)
+            if latest and latest.status in {"done", "error", "cancelled"}:
+                return latest
+            import time as _time
+
+            _time.sleep(0.05)
+        self.fail("export job did not finish in time")
+
+    def test_chat_history_modal_has_media_index_and_record_item(self):
+        with TemporaryDirectory() as td:
+            root = Path(td)
+            account = "wxid_test"
+            username = "wxid_friend"
+            self._prepare_account(root, account=account, username=username)
+
+            prev_data = os.environ.get("WECHAT_TOOL_DATA_DIR")
+            try:
+                os.environ["WECHAT_TOOL_DATA_DIR"] = str(root)
+                svc = self._reload_export_modules()
+                job = self._create_job(svc.CHAT_EXPORT_MANAGER, account=account, username=username)
+                self.assertEqual(job.status, "done", msg=job.error)
+
+                with zipfile.ZipFile(job.zip_path, "r") as zf:
+                    names = set(zf.namelist())
+                    self.assertIn(f"media/images/{self._MD5}.jpg", names)
+
+                    html_path = next((n for n in names if n.endswith("/messages.html")), "")
+                    self.assertTrue(html_path)
+                    html_text = zf.read(html_path).decode("utf-8")
+                    self.assertIn('id="chatHistoryModal"', html_text)
+                    self.assertIn('data-wce-chat-history="1"', html_text)
+                    self.assertIn('data-record-item-b64="', html_text)
+                    self.assertIn('id="wceMediaIndex"', html_text)
+                    self.assertIn(self._MD5, html_text)
+            finally:
+                if prev_data is None:
+                    os.environ.pop("WECHAT_TOOL_DATA_DIR", None)
+                else:
+                    os.environ["WECHAT_TOOL_DATA_DIR"] = prev_data

tests/test_chat_export_html_format.py

@@ -0,0 +1,353 @@
+import os
+import json
+import hashlib
+import sqlite3
+import sys
+import unittest
+import zipfile
+import importlib
+from pathlib import Path
+from tempfile import TemporaryDirectory
+
+
+ROOT = Path(__file__).resolve().parents[1]
+sys.path.insert(0, str(ROOT / "src"))
+
+
+class TestChatExportHtmlFormat(unittest.TestCase):
+    _FILE_MD5 = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"
+    _VOICE_SERVER_ID = 2001
+
+    def _reload_export_modules(self):
+        import wechat_decrypt_tool.app_paths as app_paths
+        import wechat_decrypt_tool.chat_helpers as chat_helpers
+        import wechat_decrypt_tool.media_helpers as media_helpers
+        import wechat_decrypt_tool.chat_export_service as chat_export_service
+
+        importlib.reload(app_paths)
+        importlib.reload(chat_helpers)
+        importlib.reload(media_helpers)
+        importlib.reload(chat_export_service)
+        return chat_export_service
+
+    def _seed_contact_db(self, path: Path, *, account: str, username: str) -> None:
+        conn = sqlite3.connect(str(path))
+        try:
+            conn.execute(
+                """
+                CREATE TABLE contact (
+                    username TEXT,
+                    remark TEXT,
+                    nick_name TEXT,
+                    alias TEXT,
+                    local_type INTEGER,
+                    verify_flag INTEGER,
+                    big_head_url TEXT,
+                    small_head_url TEXT
+                )
+                """
+            )
+            conn.execute(
+                """
+                CREATE TABLE stranger (
+                    username TEXT,
+                    remark TEXT,
+                    nick_name TEXT,
+                    alias TEXT,
+                    local_type INTEGER,
+                    verify_flag INTEGER,
+                    big_head_url TEXT,
+                    small_head_url TEXT
+                )
+                """
+            )
+            conn.execute(
+                "INSERT INTO contact VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+                (account, "", "我", "", 1, 0, "", ""),
+            )
+            conn.execute(
+                "INSERT INTO contact VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+                (username, "", "测试好友", "", 1, 0, "", ""),
+            )
+            conn.commit()
+        finally:
+            conn.close()
+
+    def _seed_session_db(self, path: Path, *, username: str) -> None:
+        conn = sqlite3.connect(str(path))
+        try:
+            conn.execute(
+                """
+                CREATE TABLE SessionTable (
+                    username TEXT,
+                    is_hidden INTEGER,
+                    sort_timestamp INTEGER
+                )
+                """
+            )
+            conn.execute(
+                "INSERT INTO SessionTable VALUES (?, ?, ?)",
+                (username, 0, 1735689600),
+            )
+            conn.commit()
+        finally:
+            conn.close()
+
+    def _seed_message_db(self, path: Path, *, account: str, username: str) -> None:
+        conn = sqlite3.connect(str(path))
+        try:
+            conn.execute("CREATE TABLE Name2Id (rowid INTEGER PRIMARY KEY, user_name TEXT)")
+            conn.execute("INSERT INTO Name2Id(rowid, user_name) VALUES (?, ?)", (1, account))
+            conn.execute("INSERT INTO Name2Id(rowid, user_name) VALUES (?, ?)", (2, username))
+
+            table_name = f"msg_{hashlib.md5(username.encode('utf-8')).hexdigest()}"
+            conn.execute(
+                f"""
+                CREATE TABLE {table_name} (
+                    local_id INTEGER,
+                    server_id INTEGER,
+                    local_type INTEGER,
+                    sort_seq INTEGER,
+                    real_sender_id INTEGER,
+                    create_time INTEGER,
+                    message_content TEXT,
+                    compress_content BLOB
+                )
+                """
+            )
+
+            image_xml = '<msg><img md5="aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" cdnthumburl="img_file_id_1" /></msg>'
+            voice_xml = '<msg><voicemsg voicelength="3000" /></msg>'
+            file_md5 = self._FILE_MD5
+            file_xml = (
+                "<msg><appmsg>"
+                "<type>6</type>"
+                "<title>demo.pdf</title>"
+                "<totallen>2048</totallen>"
+                f"<md5>{file_md5}</md5>"
+                "</appmsg></msg>"
+            )
+            link_xml = (
+                "<msg><appmsg>"
+                "<type>5</type>"
+                "<title>示例链接</title>"
+                "<des>这是描述</des>"
+                "<url>https://example.com/</url>"
+                "<thumburl>https://example.com/thumb.jpg</thumburl>"
+                "<sourceusername>gh_test</sourceusername>"
+                "<sourcedisplayname>测试公众号</sourcedisplayname>"
+                "</appmsg></msg>"
+            )
+            chat_history_xml = (
+                "<msg><appmsg>"
+                "<type>19</type>"
+                "<title>聊天记录</title>"
+                "<des>记录预览</des>"
+                "<recorditem><desc>张三: hi\n李四: ok</desc></recorditem>"
+                "</appmsg></msg>"
+            )
+            transfer_xml = (
+                "<msg><appmsg>"
+                "<type>2000</type>"
+                "<title>微信转账</title>"
+                "<wcpayinfo>"
+                "<pay_memo>转账备注</pay_memo>"
+                "<feedesc>￥1.23</feedesc>"
+                "<paysubtype>3</paysubtype>"
+                "<transferid>transfer_123</transferid>"
+                "</wcpayinfo>"
+                "</appmsg></msg>"
+            )
+            red_packet_xml = (
+                "<msg><appmsg>"
+                "<type>2001</type>"
+                "<title>红包</title>"
+                "<wcpayinfo>"
+                "<sendertitle>恭喜发财，大吉大利</sendertitle>"
+                "<senderdes>微信红包</senderdes>"
+                "</wcpayinfo>"
+                "</appmsg></msg>"
+            )
+            voip_xml = (
+                "<msg><VoIPBubbleMsg>"
+                "<room_type>1</room_type>"
+                "<msg>语音通话</msg>"
+                "</VoIPBubbleMsg></msg>"
+            )
+            quote_voice_xml = (
+                "<msg><appmsg>"
+                "<type>57</type>"
+                "<title>回复语音</title>"
+                "<refermsg>"
+                "<type>34</type>"
+                f"<svrid>{self._VOICE_SERVER_ID}</svrid>"
+                "<fromusr>wxid_friend</fromusr>"
+                "<displayname>测试好友</displayname>"
+                "<content>wxid_friend:3000:1:</content>"
+                "</refermsg>"
+                "</appmsg></msg>"
+            )
+            rows = [
+                (1, 1001, 3, 1, 2, 1735689601, image_xml, None),
+                (2, 1002, 1, 2, 2, 1735689602, "普通文本消息[微笑]", None),
+                (3, 1003, 49, 3, 1, 1735689603, transfer_xml, None),
+                (4, 1004, 49, 4, 2, 1735689604, red_packet_xml, None),
+                (5, 1005, 49, 5, 1, 1735689605, file_xml, None),
+                (6, 1006, 49, 6, 2, 1735689606, link_xml, None),
+                (7, 1007, 49, 7, 2, 1735689607, chat_history_xml, None),
+                (8, 1008, 50, 8, 2, 1735689608, voip_xml, None),
+                (9, self._VOICE_SERVER_ID, 34, 9, 1, 1735689609, voice_xml, None),
+                (10, 1010, 49, 10, 1, 1735689610, quote_voice_xml, None),
+            ]
+            conn.executemany(
+                f"INSERT INTO {table_name} (local_id, server_id, local_type, sort_seq, real_sender_id, create_time, message_content, compress_content) VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+                rows,
+            )
+            conn.commit()
+        finally:
+            conn.close()
+
+    def _seed_media_files(self, account_dir: Path) -> None:
+        resource_root = account_dir / "resource"
+        (resource_root / "aa").mkdir(parents=True, exist_ok=True)
+        (resource_root / "aa" / "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.jpg").write_bytes(b"\xff\xd8\xff\xd9")
+        (resource_root / "bb").mkdir(parents=True, exist_ok=True)
+        (resource_root / "bb" / f"{self._FILE_MD5}.dat").write_bytes(b"dummy")
+
+        conn = sqlite3.connect(str(account_dir / "media_0.db"))
+        try:
+            conn.execute(
+                """
+                CREATE TABLE VoiceInfo (
+                    svr_id INTEGER,
+                    create_time INTEGER,
+                    voice_data BLOB
+                )
+                """
+            )
+            conn.execute(
+                "INSERT INTO VoiceInfo VALUES (?, ?, ?)",
+                (self._VOICE_SERVER_ID, 1735689609, b"SILK_VOICE_DATA"),
+            )
+            conn.commit()
+        finally:
+            conn.close()
+
+    def _prepare_account(self, root: Path, *, account: str, username: str) -> Path:
+        account_dir = root / "output" / "databases" / account
+        account_dir.mkdir(parents=True, exist_ok=True)
+
+        self._seed_contact_db(account_dir / "contact.db", account=account, username=username)
+        self._seed_session_db(account_dir / "session.db", username=username)
+        self._seed_message_db(account_dir / "message_0.db", account=account, username=username)
+        self._seed_media_files(account_dir)
+        return account_dir
+
+    def _create_job(self, manager, *, account: str, username: str):
+        job = manager.create_job(
+            account=account,
+            scope="selected",
+            usernames=[username],
+            export_format="html",
+            start_time=None,
+            end_time=None,
+            include_hidden=False,
+            include_official=False,
+            include_media=True,
+            media_kinds=["image", "emoji", "video", "video_thumb", "voice", "file"],
+            message_types=[],
+            output_dir=None,
+            allow_process_key_extract=False,
+            download_remote_media=False,
+            privacy_mode=False,
+            file_name=None,
+        )
+
+        for _ in range(200):
+            latest = manager.get_job(job.export_id)
+            if latest and latest.status in {"done", "error", "cancelled"}:
+                return latest
+            import time as _time
+
+            _time.sleep(0.05)
+        self.fail("export job did not finish in time")
+
+    def test_html_export_contains_index_and_conversation_page(self):
+        with TemporaryDirectory() as td:
+            root = Path(td)
+            account = "wxid_test"
+            username = "wxid_friend"
+            self._prepare_account(root, account=account, username=username)
+
+            prev_data = os.environ.get("WECHAT_TOOL_DATA_DIR")
+            try:
+                os.environ["WECHAT_TOOL_DATA_DIR"] = str(root)
+                svc = self._reload_export_modules()
+                job = self._create_job(svc.CHAT_EXPORT_MANAGER, account=account, username=username)
+                self.assertEqual(job.status, "done", msg=job.error)
+
+                self.assertTrue(job.zip_path and job.zip_path.exists())
+                with zipfile.ZipFile(job.zip_path, "r") as zf:
+                    names = set(zf.namelist())
+
+                    self.assertIn("index.html", names)
+                    self.assertIn("assets/wechat-chat-export.css", names)
+                    self.assertIn("assets/wechat-chat-export.js", names)
+
+                    manifest = json.loads(zf.read("manifest.json").decode("utf-8"))
+                    self.assertEqual(manifest.get("format"), "html")
+
+                    html_path = next((n for n in names if n.endswith("/messages.html")), "")
+                    self.assertTrue(html_path)
+
+                    html_text = zf.read(html_path).decode("utf-8")
+                    self.assertIn('data-wce-rail-avatar="1"', html_text)
+                    self.assertIn('data-wce-session-list="1"', html_text)
+                    self.assertIn('id="sessionSearchInput"', html_text)
+                    self.assertIn('data-wce-time-divider="1"', html_text)
+                    self.assertIn('id="messageTypeFilter"', html_text)
+                    self.assertIn('value="chatHistory"', html_text)
+                    self.assertIn('id="chatHistoryModal"', html_text)
+                    self.assertIn('data-wce-chat-history="1"', html_text)
+                    self.assertIn('data-record-item-b64="', html_text)
+                    self.assertIn('id="wceMediaIndex"', html_text)
+                    self.assertIn('data-wce-quote-voice-btn="1"', html_text)
+                    self.assertNotIn('title="刷新消息"', html_text)
+                    self.assertNotIn('title="导出聊天记录"', html_text)
+                    self.assertNotIn("搜索聊天记录", html_text)
+                    self.assertNotIn("朋友圈", html_text)
+                    self.assertNotIn("年度总结", html_text)
+                    self.assertNotIn("设置", html_text)
+                    self.assertNotIn("隐私模式", html_text)
+
+                    self.assertTrue(any(n.startswith("media/images/") for n in names))
+                    self.assertIn("../../media/images/", html_text)
+
+                    self.assertIn("wechat-transfer-card", html_text)
+                    self.assertIn("wechat-redpacket-card", html_text)
+                    self.assertIn("wechat-chat-history-card", html_text)
+                    self.assertIn("wechat-voip-bubble", html_text)
+                    self.assertIn("wechat-link-card", html_text)
+                    self.assertIn("wechat-file-card", html_text)
+                    self.assertIn("wechat-voice-wrapper", html_text)
+
+                    css_text = zf.read("assets/wechat-chat-export.css").decode("utf-8", errors="ignore")
+                    self.assertIn("wechat-transfer-card", css_text)
+                    self.assertNotIn("wechat-transfer-card[data-v-", css_text)
+
+                    js_text = zf.read("assets/wechat-chat-export.js").decode("utf-8", errors="ignore")
+                    self.assertIn("wechat-voice-bubble", js_text)
+                    self.assertIn("voice-playing", js_text)
+                    self.assertIn("data-wce-quote-voice-btn", js_text)
+
+                    self.assertIn("assets/images/wechat/wechat-trans-icon1.png", names)
+                    self.assertIn("assets/images/wechat/zip.png", names)
+                    self.assertIn("assets/images/wechat/WeChat-Icon-Logo.wine.svg", names)
+                    self.assertTrue(any(n.startswith("fonts/") and n.endswith(".woff2") for n in names))
+                    self.assertIn("wxemoji/Expression_1@2x.png", names)
+                    self.assertIn("../../wxemoji/Expression_1@2x.png", html_text)
+            finally:
+                if prev_data is None:
+                    os.environ.pop("WECHAT_TOOL_DATA_DIR", None)
+                else:
+                    os.environ["WECHAT_TOOL_DATA_DIR"] = prev_data

tests/test_chat_export_image_md5_candidate_fallback.py

@@ -0,0 +1,199 @@
+import os
+import hashlib
+import sqlite3
+import sys
+import unittest
+import zipfile
+import importlib
+from pathlib import Path
+from tempfile import TemporaryDirectory
+
+
+ROOT = Path(__file__).resolve().parents[1]
+sys.path.insert(0, str(ROOT / "src"))
+
+
+class TestChatExportImageMd5CandidateFallback(unittest.TestCase):
+    def _reload_export_modules(self):
+        import wechat_decrypt_tool.app_paths as app_paths
+        import wechat_decrypt_tool.chat_helpers as chat_helpers
+        import wechat_decrypt_tool.media_helpers as media_helpers
+        import wechat_decrypt_tool.chat_export_service as chat_export_service
+
+        importlib.reload(app_paths)
+        importlib.reload(chat_helpers)
+        importlib.reload(media_helpers)
+        importlib.reload(chat_export_service)
+        return chat_export_service
+
+    def _seed_contact_db(self, path: Path, *, account: str, username: str) -> None:
+        conn = sqlite3.connect(str(path))
+        try:
+            conn.execute(
+                """
+                CREATE TABLE contact (
+                    username TEXT,
+                    remark TEXT,
+                    nick_name TEXT,
+                    alias TEXT,
+                    local_type INTEGER,
+                    verify_flag INTEGER,
+                    big_head_url TEXT,
+                    small_head_url TEXT
+                )
+                """
+            )
+            conn.execute(
+                """
+                CREATE TABLE stranger (
+                    username TEXT,
+                    remark TEXT,
+                    nick_name TEXT,
+                    alias TEXT,
+                    local_type INTEGER,
+                    verify_flag INTEGER,
+                    big_head_url TEXT,
+                    small_head_url TEXT
+                )
+                """
+            )
+            conn.execute(
+                "INSERT INTO contact VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+                (account, "", "我", "", 1, 0, "", ""),
+            )
+            conn.execute(
+                "INSERT INTO contact VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+                (username, "", "测试好友", "", 1, 0, "", ""),
+            )
+            conn.commit()
+        finally:
+            conn.close()
+
+    def _seed_session_db(self, path: Path, *, username: str) -> None:
+        conn = sqlite3.connect(str(path))
+        try:
+            conn.execute(
+                """
+                CREATE TABLE SessionTable (
+                    username TEXT,
+                    is_hidden INTEGER,
+                    sort_timestamp INTEGER
+                )
+                """
+            )
+            conn.execute(
+                "INSERT INTO SessionTable VALUES (?, ?, ?)",
+                (username, 0, 1735689600),
+            )
+            conn.commit()
+        finally:
+            conn.close()
+
+    def _seed_message_db(self, path: Path, *, account: str, username: str) -> None:
+        conn = sqlite3.connect(str(path))
+        try:
+            conn.execute("CREATE TABLE Name2Id (rowid INTEGER PRIMARY KEY, user_name TEXT)")
+            conn.execute("INSERT INTO Name2Id(rowid, user_name) VALUES (?, ?)", (1, account))
+            conn.execute("INSERT INTO Name2Id(rowid, user_name) VALUES (?, ?)", (2, username))
+
+            table_name = f"msg_{hashlib.md5(username.encode('utf-8')).hexdigest()}"
+            conn.execute(
+                f"""
+                CREATE TABLE {table_name} (
+                    local_id INTEGER,
+                    server_id INTEGER,
+                    local_type INTEGER,
+                    sort_seq INTEGER,
+                    real_sender_id INTEGER,
+                    create_time INTEGER,
+                    message_content TEXT,
+                    compress_content BLOB
+                )
+                """
+            )
+
+            good_md5 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+            bad_md5 = "ffffffffffffffffffffffffffffffff"
+            image_xml = f'<msg><img md5="{bad_md5}" hdmd5="{good_md5}" cdnthumburl="img_file_id_1" /></msg>'
+
+            conn.execute(
+                f"INSERT INTO {table_name} (local_id, server_id, local_type, sort_seq, real_sender_id, create_time, message_content, compress_content) VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+                (1, 1001, 3, 1, 2, 1735689601, image_xml, None),
+            )
+            conn.commit()
+        finally:
+            conn.close()
+
+    def _seed_decrypted_resource(self, account_dir: Path) -> None:
+        resource_root = account_dir / "resource"
+        (resource_root / "aa").mkdir(parents=True, exist_ok=True)
+        (resource_root / "aa" / "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.jpg").write_bytes(b"\xff\xd8\xff\xd9")
+
+    def _prepare_account(self, root: Path, *, account: str, username: str) -> Path:
+        account_dir = root / "output" / "databases" / account
+        account_dir.mkdir(parents=True, exist_ok=True)
+
+        self._seed_contact_db(account_dir / "contact.db", account=account, username=username)
+        self._seed_session_db(account_dir / "session.db", username=username)
+        self._seed_message_db(account_dir / "message_0.db", account=account, username=username)
+        self._seed_decrypted_resource(account_dir)
+        return account_dir
+
+    def _create_job(self, manager, *, account: str, username: str):
+        job = manager.create_job(
+            account=account,
+            scope="selected",
+            usernames=[username],
+            export_format="html",
+            start_time=None,
+            end_time=None,
+            include_hidden=False,
+            include_official=False,
+            include_media=True,
+            media_kinds=["image"],
+            message_types=[],
+            output_dir=None,
+            allow_process_key_extract=False,
+            download_remote_media=False,
+            privacy_mode=False,
+            file_name=None,
+        )
+
+        for _ in range(200):
+            latest = manager.get_job(job.export_id)
+            if latest and latest.status in {"done", "error", "cancelled"}:
+                return latest
+            import time as _time
+
+            _time.sleep(0.05)
+        self.fail("export job did not finish in time")
+
+    def test_falls_back_to_secondary_md5_candidate(self):
+        with TemporaryDirectory() as td:
+            root = Path(td)
+            account = "wxid_test"
+            username = "wxid_friend"
+            self._prepare_account(root, account=account, username=username)
+
+            prev_data = os.environ.get("WECHAT_TOOL_DATA_DIR")
+            try:
+                os.environ["WECHAT_TOOL_DATA_DIR"] = str(root)
+                svc = self._reload_export_modules()
+                job = self._create_job(svc.CHAT_EXPORT_MANAGER, account=account, username=username)
+                self.assertEqual(job.status, "done", msg=job.error)
+
+                with zipfile.ZipFile(job.zip_path, "r") as zf:
+                    names = set(zf.namelist())
+                    self.assertIn("media/images/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.jpg", names)
+                    self.assertFalse(any("ffffffffffffffffffffffffffffffff" in n for n in names if n.startswith("media/images/")))
+
+                    html_path = next((n for n in names if n.endswith("/messages.html")), "")
+                    self.assertTrue(html_path)
+                    html_text = zf.read(html_path).decode("utf-8", errors="ignore")
+                    self.assertIn("../../media/images/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.jpg", html_text)
+            finally:
+                if prev_data is None:
+                    os.environ.pop("WECHAT_TOOL_DATA_DIR", None)
+                else:
+                    os.environ["WECHAT_TOOL_DATA_DIR"] = prev_data
+

tests/test_chat_export_image_md5_prefers_message_resource.py

@@ -0,0 +1,235 @@
+import os
+import hashlib
+import sqlite3
+import sys
+import unittest
+import zipfile
+import importlib
+from pathlib import Path
+from tempfile import TemporaryDirectory
+
+
+ROOT = Path(__file__).resolve().parents[1]
+sys.path.insert(0, str(ROOT / "src"))
+
+
+class TestChatExportImageMd5PrefersMessageResource(unittest.TestCase):
+    def _reload_export_modules(self):
+        import wechat_decrypt_tool.app_paths as app_paths
+        import wechat_decrypt_tool.chat_helpers as chat_helpers
+        import wechat_decrypt_tool.media_helpers as media_helpers
+        import wechat_decrypt_tool.chat_export_service as chat_export_service
+
+        importlib.reload(app_paths)
+        importlib.reload(chat_helpers)
+        importlib.reload(media_helpers)
+        importlib.reload(chat_export_service)
+        return chat_export_service
+
+    def _seed_source_info(self, account_dir: Path) -> None:
+        wxid_dir = account_dir / "_wxid_dummy"
+        db_storage_dir = account_dir / "_db_storage_dummy"
+        wxid_dir.mkdir(parents=True, exist_ok=True)
+        db_storage_dir.mkdir(parents=True, exist_ok=True)
+        (account_dir / "_source.json").write_text(
+            '{"wxid_dir": "' + str(wxid_dir).replace("\\", "\\\\") + '", "db_storage_path": "' + str(db_storage_dir).replace("\\", "\\\\") + '"}',
+            encoding="utf-8",
+        )
+
+    def _seed_contact_db(self, path: Path, *, account: str, username: str) -> None:
+        conn = sqlite3.connect(str(path))
+        try:
+            conn.execute(
+                """
+                CREATE TABLE contact (
+                    username TEXT,
+                    remark TEXT,
+                    nick_name TEXT,
+                    alias TEXT,
+                    local_type INTEGER,
+                    verify_flag INTEGER,
+                    big_head_url TEXT,
+                    small_head_url TEXT
+                )
+                """
+            )
+            conn.execute(
+                """
+                CREATE TABLE stranger (
+                    username TEXT,
+                    remark TEXT,
+                    nick_name TEXT,
+                    alias TEXT,
+                    local_type INTEGER,
+                    verify_flag INTEGER,
+                    big_head_url TEXT,
+                    small_head_url TEXT
+                )
+                """
+            )
+            conn.execute(
+                "INSERT INTO contact VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+                (account, "", "我", "", 1, 0, "", ""),
+            )
+            conn.execute(
+                "INSERT INTO contact VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+                (username, "", "测试好友", "", 1, 0, "", ""),
+            )
+            conn.commit()
+        finally:
+            conn.close()
+
+    def _seed_session_db(self, path: Path, *, username: str) -> None:
+        conn = sqlite3.connect(str(path))
+        try:
+            conn.execute(
+                """
+                CREATE TABLE SessionTable (
+                    username TEXT,
+                    is_hidden INTEGER,
+                    sort_timestamp INTEGER
+                )
+                """
+            )
+            conn.execute(
+                "INSERT INTO SessionTable VALUES (?, ?, ?)",
+                (username, 0, 1735689600),
+            )
+            conn.commit()
+        finally:
+            conn.close()
+
+    def _seed_message_db(self, path: Path, *, account: str, username: str, bad_md5: str) -> None:
+        conn = sqlite3.connect(str(path))
+        try:
+            conn.execute("CREATE TABLE Name2Id (rowid INTEGER PRIMARY KEY, user_name TEXT)")
+            conn.execute("INSERT INTO Name2Id(rowid, user_name) VALUES (?, ?)", (1, account))
+            conn.execute("INSERT INTO Name2Id(rowid, user_name) VALUES (?, ?)", (2, username))
+
+            table_name = f"msg_{hashlib.md5(username.encode('utf-8')).hexdigest()}"
+            conn.execute(
+                f"""
+                CREATE TABLE {table_name} (
+                    local_id INTEGER,
+                    server_id INTEGER,
+                    local_type INTEGER,
+                    sort_seq INTEGER,
+                    real_sender_id INTEGER,
+                    create_time INTEGER,
+                    message_content TEXT,
+                    compress_content BLOB
+                )
+                """
+            )
+
+            image_xml = f'<msg><img md5="{bad_md5}" /></msg>'
+            conn.execute(
+                f"INSERT INTO {table_name} (local_id, server_id, local_type, sort_seq, real_sender_id, create_time, message_content, compress_content) VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+                (1, 1001, 3, 1, 2, 1735689601, image_xml, None),
+            )
+            conn.commit()
+        finally:
+            conn.close()
+
+    def _seed_message_resource_db(self, path: Path, *, good_md5: str) -> None:
+        conn = sqlite3.connect(str(path))
+        try:
+            conn.execute(
+                """
+                CREATE TABLE MessageResourceInfo (
+                    message_id INTEGER,
+                    message_svr_id INTEGER,
+                    message_local_type INTEGER,
+                    chat_id INTEGER,
+                    message_local_id INTEGER,
+                    message_create_time INTEGER,
+                    packed_info BLOB
+                )
+                """
+            )
+            # packed_info may contain multiple tokens; include a realistic *.dat reference so the extractor prefers it.
+            packed_info = f"{good_md5}_t.dat".encode("ascii")
+            conn.execute(
+                "INSERT INTO MessageResourceInfo VALUES (?, ?, ?, ?, ?, ?, ?)",
+                (1, 1001, 3, 0, 1, 1735689601, packed_info),
+            )
+            conn.commit()
+        finally:
+            conn.close()
+
+    def _seed_decrypted_resource(self, account_dir: Path, *, good_md5: str) -> None:
+        resource_root = account_dir / "resource"
+        (resource_root / good_md5[:2]).mkdir(parents=True, exist_ok=True)
+        # Minimal JPEG payload (valid SOI/EOI).
+        (resource_root / good_md5[:2] / f"{good_md5}.jpg").write_bytes(b"\xff\xd8\xff\xd9")
+
+    def _prepare_account(self, root: Path, *, account: str, username: str, bad_md5: str, good_md5: str) -> Path:
+        account_dir = root / "output" / "databases" / account
+        account_dir.mkdir(parents=True, exist_ok=True)
+        self._seed_source_info(account_dir)
+        self._seed_contact_db(account_dir / "contact.db", account=account, username=username)
+        self._seed_session_db(account_dir / "session.db", username=username)
+        self._seed_message_db(account_dir / "message_0.db", account=account, username=username, bad_md5=bad_md5)
+        self._seed_message_resource_db(account_dir / "message_resource.db", good_md5=good_md5)
+        self._seed_decrypted_resource(account_dir, good_md5=good_md5)
+        return account_dir
+
+    def _create_job(self, manager, *, account: str, username: str):
+        job = manager.create_job(
+            account=account,
+            scope="selected",
+            usernames=[username],
+            export_format="html",
+            start_time=None,
+            end_time=None,
+            include_hidden=False,
+            include_official=False,
+            include_media=True,
+            media_kinds=["image"],
+            message_types=["image"],
+            output_dir=None,
+            allow_process_key_extract=False,
+            download_remote_media=False,
+            privacy_mode=False,
+            file_name=None,
+        )
+
+        for _ in range(200):
+            latest = manager.get_job(job.export_id)
+            if latest and latest.status in {"done", "error", "cancelled"}:
+                return latest
+            import time as _time
+
+            _time.sleep(0.05)
+        self.fail("export job did not finish in time")
+
+    def test_prefers_message_resource_md5_over_xml_md5(self):
+        with TemporaryDirectory() as td:
+            root = Path(td)
+            account = "wxid_test"
+            username = "wxid_friend"
+            bad_md5 = "ffffffffffffffffffffffffffffffff"
+            good_md5 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+            self._prepare_account(root, account=account, username=username, bad_md5=bad_md5, good_md5=good_md5)
+
+            prev_data = os.environ.get("WECHAT_TOOL_DATA_DIR")
+            try:
+                os.environ["WECHAT_TOOL_DATA_DIR"] = str(root)
+                svc = self._reload_export_modules()
+                job = self._create_job(svc.CHAT_EXPORT_MANAGER, account=account, username=username)
+                self.assertEqual(job.status, "done", msg=job.error)
+
+                with zipfile.ZipFile(job.zip_path, "r") as zf:
+                    names = set(zf.namelist())
+                    self.assertIn(f"media/images/{good_md5}.jpg", names)
+
+                    html_path = next((n for n in names if n.endswith("/messages.html")), "")
+                    self.assertTrue(html_path)
+                    html_text = zf.read(html_path).decode("utf-8", errors="ignore")
+                    self.assertIn(f"../../media/images/{good_md5}.jpg", html_text)
+            finally:
+                if prev_data is None:
+                    os.environ.pop("WECHAT_TOOL_DATA_DIR", None)
+                else:
+                    os.environ["WECHAT_TOOL_DATA_DIR"] = prev_data
+

tests/test_chat_export_message_types_semantics.py

@@ -198,6 +198,7 @@ class TestChatExportMessageTypesSemantics(unittest.TestCase):
             message_types=message_types,
             output_dir=None,
             allow_process_key_extract=False,
+            download_remote_media=False,
             privacy_mode=privacy_mode,
             file_name=None,
         )

tests/test_chat_export_remote_thumb_option.py

@@ -0,0 +1,304 @@
+import os
+import hashlib
+import sqlite3
+import sys
+import unittest
+import zipfile
+import importlib
+from pathlib import Path
+from tempfile import TemporaryDirectory
+from unittest import mock
+
+
+ROOT = Path(__file__).resolve().parents[1]
+sys.path.insert(0, str(ROOT / "src"))
+
+
+class _FakeResponse:
+    def __init__(self, body: bytes, *, content_type: str) -> None:
+        self.status_code = 200
+        self.headers = {
+            "Content-Type": str(content_type or "").strip(),
+            "Content-Length": str(len(body)),
+        }
+        self._body = body
+
+    def iter_content(self, chunk_size=65536):
+        data = self._body or b""
+        for i in range(0, len(data), int(chunk_size or 65536)):
+            yield data[i : i + int(chunk_size or 65536)]
+
+    def close(self):
+        return None
+
+
+class TestChatExportRemoteThumbOption(unittest.TestCase):
+    def _reload_export_modules(self):
+        import wechat_decrypt_tool.app_paths as app_paths
+        import wechat_decrypt_tool.chat_helpers as chat_helpers
+        import wechat_decrypt_tool.media_helpers as media_helpers
+        import wechat_decrypt_tool.chat_export_service as chat_export_service
+
+        importlib.reload(app_paths)
+        importlib.reload(chat_helpers)
+        importlib.reload(media_helpers)
+        importlib.reload(chat_export_service)
+        return chat_export_service
+
+    def _seed_contact_db(self, path: Path, *, account: str, username: str) -> None:
+        conn = sqlite3.connect(str(path))
+        try:
+            conn.execute(
+                """
+                CREATE TABLE contact (
+                    username TEXT,
+                    remark TEXT,
+                    nick_name TEXT,
+                    alias TEXT,
+                    local_type INTEGER,
+                    verify_flag INTEGER,
+                    big_head_url TEXT,
+                    small_head_url TEXT
+                )
+                """
+            )
+            conn.execute(
+                """
+                CREATE TABLE stranger (
+                    username TEXT,
+                    remark TEXT,
+                    nick_name TEXT,
+                    alias TEXT,
+                    local_type INTEGER,
+                    verify_flag INTEGER,
+                    big_head_url TEXT,
+                    small_head_url TEXT
+                )
+                """
+            )
+            conn.execute(
+                "INSERT INTO contact VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+                (account, "", "我", "", 1, 0, "", ""),
+            )
+            conn.execute(
+                "INSERT INTO contact VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+                (username, "", "测试好友", "", 1, 0, "", ""),
+            )
+            conn.commit()
+        finally:
+            conn.close()
+
+    def _seed_session_db(self, path: Path, *, username: str) -> None:
+        conn = sqlite3.connect(str(path))
+        try:
+            conn.execute(
+                """
+                CREATE TABLE SessionTable (
+                    username TEXT,
+                    is_hidden INTEGER,
+                    sort_timestamp INTEGER
+                )
+                """
+            )
+            conn.execute(
+                "INSERT INTO SessionTable VALUES (?, ?, ?)",
+                (username, 0, 1735689600),
+            )
+            conn.commit()
+        finally:
+            conn.close()
+
+    def _seed_message_db(self, path: Path, *, account: str, username: str) -> tuple[str, str]:
+        conn = sqlite3.connect(str(path))
+        try:
+            conn.execute("CREATE TABLE Name2Id (rowid INTEGER PRIMARY KEY, user_name TEXT)")
+            conn.execute("INSERT INTO Name2Id(rowid, user_name) VALUES (?, ?)", (1, account))
+            conn.execute("INSERT INTO Name2Id(rowid, user_name) VALUES (?, ?)", (2, username))
+
+            table_name = f"msg_{hashlib.md5(username.encode('utf-8')).hexdigest()}"
+            conn.execute(
+                f"""
+                CREATE TABLE {table_name} (
+                    local_id INTEGER,
+                    server_id INTEGER,
+                    local_type INTEGER,
+                    sort_seq INTEGER,
+                    real_sender_id INTEGER,
+                    create_time INTEGER,
+                    message_content TEXT,
+                    compress_content BLOB
+                )
+                """
+            )
+
+            link_thumb = "https://1.1.1.1/thumb.png"
+            quote_thumb = "https://1.1.1.1/quote.png"
+
+            link_xml = (
+                "<msg><appmsg>"
+                "<type>5</type>"
+                "<title>示例链接</title>"
+                "<des>这是描述</des>"
+                "<url>https://example.com/</url>"
+                f"<thumburl>{link_thumb}</thumburl>"
+                "</appmsg></msg>"
+            )
+            quote_xml = (
+                "<msg><appmsg>"
+                "<type>57</type>"
+                "<title>回复</title>"
+                "<refermsg>"
+                "<type>49</type>"
+                "<svrid>8888</svrid>"
+                "<fromusr>wxid_other</fromusr>"
+                "<displayname>对方</displayname>"
+                "<content>"
+                "<msg><appmsg><type>5</type><title>被引用链接</title><url>https://example.com/</url>"
+                f"<thumburl>{quote_thumb}</thumburl>"
+                "</appmsg></msg>"
+                "</content>"
+                "</refermsg>"
+                "</appmsg></msg>"
+            )
+
+            rows = [
+                (1, 1001, 49, 1, 2, 1735689601, link_xml, None),
+                (2, 1002, 49, 2, 2, 1735689602, quote_xml, None),
+            ]
+            conn.executemany(
+                f"INSERT INTO {table_name} (local_id, server_id, local_type, sort_seq, real_sender_id, create_time, message_content, compress_content) VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+                rows,
+            )
+            conn.commit()
+            return link_thumb, quote_thumb
+        finally:
+            conn.close()
+
+    def _prepare_account(self, root: Path, *, account: str, username: str) -> tuple[Path, str, str]:
+        account_dir = root / "output" / "databases" / account
+        account_dir.mkdir(parents=True, exist_ok=True)
+
+        self._seed_contact_db(account_dir / "contact.db", account=account, username=username)
+        self._seed_session_db(account_dir / "session.db", username=username)
+        link_thumb, quote_thumb = self._seed_message_db(account_dir / "message_0.db", account=account, username=username)
+        return account_dir, link_thumb, quote_thumb
+
+    def _create_job(self, manager, *, account: str, username: str, download_remote_media: bool):
+        job = manager.create_job(
+            account=account,
+            scope="selected",
+            usernames=[username],
+            export_format="html",
+            start_time=None,
+            end_time=None,
+            include_hidden=False,
+            include_official=False,
+            include_media=True,
+            media_kinds=["image", "emoji", "video", "video_thumb", "voice", "file"],
+            message_types=["link", "quote", "image"],
+            output_dir=None,
+            allow_process_key_extract=False,
+            download_remote_media=download_remote_media,
+            privacy_mode=False,
+            file_name=None,
+        )
+
+        for _ in range(200):
+            latest = manager.get_job(job.export_id)
+            if latest and latest.status in {"done", "error", "cancelled"}:
+                return latest
+            import time as _time
+
+            _time.sleep(0.05)
+        self.fail("export job did not finish in time")
+
+    def test_remote_thumb_disabled_does_not_download(self):
+        with TemporaryDirectory() as td:
+            root = Path(td)
+            account = "wxid_test"
+            username = "wxid_friend"
+            _, link_thumb, quote_thumb = self._prepare_account(root, account=account, username=username)
+
+            prev_data = os.environ.get("WECHAT_TOOL_DATA_DIR")
+            try:
+                os.environ["WECHAT_TOOL_DATA_DIR"] = str(root)
+                svc = self._reload_export_modules()
+
+                with mock.patch.object(
+                    svc.requests,
+                    "get",
+                    side_effect=AssertionError("requests.get should not be called when download_remote_media=False"),
+                ) as m_get:
+                    job = self._create_job(
+                        svc.CHAT_EXPORT_MANAGER,
+                        account=account,
+                        username=username,
+                        download_remote_media=False,
+                    )
+                    self.assertEqual(job.status, "done", msg=job.error)
+                    self.assertEqual(m_get.call_count, 0)
+
+                with zipfile.ZipFile(job.zip_path, "r") as zf:
+                    names = set(zf.namelist())
+                    html_path = next((n for n in names if n.endswith("/messages.html")), "")
+                    self.assertTrue(html_path)
+                    html_text = zf.read(html_path).decode("utf-8")
+                    self.assertIn(f'src="{link_thumb}"', html_text)
+                    self.assertIn(f'src="{quote_thumb}"', html_text)
+                    self.assertFalse(any(n.startswith("media/remote/") for n in names))
+            finally:
+                if prev_data is None:
+                    os.environ.pop("WECHAT_TOOL_DATA_DIR", None)
+                else:
+                    os.environ["WECHAT_TOOL_DATA_DIR"] = prev_data
+
+    def test_remote_thumb_enabled_downloads_and_rewrites(self):
+        with TemporaryDirectory() as td:
+            root = Path(td)
+            account = "wxid_test"
+            username = "wxid_friend"
+            _, link_thumb, quote_thumb = self._prepare_account(root, account=account, username=username)
+
+            prev_data = os.environ.get("WECHAT_TOOL_DATA_DIR")
+            try:
+                os.environ["WECHAT_TOOL_DATA_DIR"] = str(root)
+                svc = self._reload_export_modules()
+
+                fake_png = b"\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x01\x00\x00\x00\x01\x08\x02\x00\x00\x00\x90wS\xde"
+
+                def _fake_get(url, **_kwargs):
+                    return _FakeResponse(fake_png, content_type="image/png")
+
+                with mock.patch.object(svc.requests, "get", side_effect=_fake_get) as m_get:
+                    job = self._create_job(
+                        svc.CHAT_EXPORT_MANAGER,
+                        account=account,
+                        username=username,
+                        download_remote_media=True,
+                    )
+                    self.assertEqual(job.status, "done", msg=job.error)
+                    self.assertGreaterEqual(m_get.call_count, 1)
+
+                with zipfile.ZipFile(job.zip_path, "r") as zf:
+                    names = set(zf.namelist())
+                    html_path = next((n for n in names if n.endswith("/messages.html")), "")
+                    self.assertTrue(html_path)
+                    html_text = zf.read(html_path).decode("utf-8")
+
+                    h1 = hashlib.sha256(link_thumb.encode("utf-8", errors="ignore")).hexdigest()
+                    arc1 = f"media/remote/{h1[:32]}.png"
+                    self.assertIn(arc1, names)
+                    self.assertIn(f"../../{arc1}", html_text)
+                    self.assertNotIn(f'src="{link_thumb}"', html_text)
+
+                    h2 = hashlib.sha256(quote_thumb.encode("utf-8", errors="ignore")).hexdigest()
+                    arc2 = f"media/remote/{h2[:32]}.png"
+                    self.assertIn(arc2, names)
+                    self.assertIn(f"../../{arc2}", html_text)
+                    self.assertNotIn(f'src="{quote_thumb}"', html_text)
+            finally:
+                if prev_data is None:
+                    os.environ.pop("WECHAT_TOOL_DATA_DIR", None)
+                else:
+                    os.environ["WECHAT_TOOL_DATA_DIR"] = prev_data
+

tests/test_chat_official_article_cover_style.py

@@ -0,0 +1,58 @@
+import sys
+import unittest
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[1]
+sys.path.insert(0, str(ROOT / "src"))
+
+from wechat_decrypt_tool.chat_helpers import _parse_app_message
+
+
+class TestChatOfficialArticleCoverStyle(unittest.TestCase):
+    def test_mp_weixin_feed_url_is_cover_style(self):
+        raw_text = (
+            "<msg>"
+            "<appmsg>"
+            "<title>时尚穿搭：「这样的jk你喜欢吗」</title>"
+            "<des>这样的jk你喜欢吗？</des>"
+            "<type>5</type>"
+            "<url>"
+            "http://mp.weixin.qq.com/s?__biz=MzkxOTY4MjIxOA==&amp;mid=2247508015&amp;idx=1&amp;sn=931dce677c6e70b4365792b14e7e8ff0"
+            "&amp;exptype=masonry_feed_brief_content_elite_for_pcfeeds_u2i&amp;ranksessionid=1770868256_1&amp;req_id=1770867949535989#rd"
+            "</url>"
+            "<thumburl>https://mmbiz.qpic.cn/sz_mmbiz_jpg/foo/640?wx_fmt=jpeg&amp;wxfrom=401</thumburl>"
+            "<sourcedisplayname>甜图社</sourcedisplayname>"
+            "<sourceusername>gh_abc123</sourceusername>"
+            "</appmsg>"
+            "</msg>"
+        )
+
+        parsed = _parse_app_message(raw_text)
+        self.assertEqual(parsed.get("renderType"), "link")
+        self.assertEqual(parsed.get("linkType"), "official_article")
+        self.assertEqual(parsed.get("linkStyle"), "cover")
+
+    def test_mp_weixin_non_feed_url_keeps_default_style(self):
+        raw_text = (
+            "<msg>"
+            "<appmsg>"
+            "<title>普通分享</title>"
+            "<des>这样的jk你喜欢吗？</des>"
+            "<type>5</type>"
+            "<url>http://mp.weixin.qq.com/s?__biz=foo&amp;mid=1&amp;idx=1&amp;sn=bar#rd</url>"
+            "<sourcedisplayname>甜图社</sourcedisplayname>"
+            "<sourceusername>gh_abc123</sourceusername>"
+            "</appmsg>"
+            "</msg>"
+        )
+
+        parsed = _parse_app_message(raw_text)
+        self.assertEqual(parsed.get("renderType"), "link")
+        self.assertEqual(parsed.get("linkType"), "official_article")
+        self.assertEqual(parsed.get("linkStyle"), "default")
+
+
+if __name__ == "__main__":
+    unittest.main()
+

tests/test_transfer_postprocess.py

@@ -62,7 +62,68 @@ class TestTransferPostprocess(unittest.TestCase):
 
         self.assertEqual(merged[0].get("transferStatus"), "已被接收")
 
+    def test_pending_transfer_marked_expired_by_system_message(self):
+        merged = [
+            {
+                "id": "message_0:Msg_x:100",
+                "renderType": "transfer",
+                "paySubType": "1",
+                "transferId": "t-expired-1",
+                "amount": "￥500.00",
+                "createTime": 1770742598,
+                "isSent": True,
+                "transferStatus": "转账",
+            },
+            {
+                "id": "message_0:Msg_x:101",
+                "renderType": "system",
+                "type": 10000,
+                "createTime": 1770829000,
+                "content": "收款方24小时内未接收你的转账，已过期",
+            },
+        ]
+
+        chat_router._postprocess_transfer_messages(merged)
+
+        self.assertEqual(merged[0].get("paySubType"), "10")
+        self.assertEqual(merged[0].get("transferStatus"), "已过期")
+
+    def test_expired_matching_wins_over_amount_time_received_fallback(self):
+        merged = [
+            {
+                "id": "message_0:Msg_x:200",
+                "renderType": "transfer",
+                "paySubType": "1",
+                "transferId": "t-expired-2",
+                "amount": "￥500.00",
+                "createTime": 1770742598,
+                "isSent": True,
+                "transferStatus": "",
+            },
+            {
+                "id": "message_0:Msg_x:201",
+                "renderType": "transfer",
+                "paySubType": "3",
+                "transferId": "t-other",
+                "amount": "￥500.00",
+                "createTime": 1770828800,
+                "isSent": False,
+                "transferStatus": "已收款",
+            },
+            {
+                "id": "message_0:Msg_x:202",
+                "renderType": "system",
+                "type": 10000,
+                "createTime": 1770829000,
+                "content": "收款方24小时内未接收你的转账，已过期",
+            },
+        ]
+
+        chat_router._postprocess_transfer_messages(merged)
+
+        self.assertEqual(merged[0].get("paySubType"), "10")
+        self.assertEqual(merged[0].get("transferStatus"), "已过期")
+
 
 if __name__ == "__main__":
     unittest.main()
-

tests/test_wrapped_emoji_universe.py

@@ -0,0 +1,773 @@
+import hashlib
+import sqlite3
+import sys
+import unittest
+from datetime import datetime
+from pathlib import Path
+from tempfile import TemporaryDirectory
+
+
+ROOT = Path(__file__).resolve().parents[1]
+sys.path.insert(0, str(ROOT / "src"))
+
+
+class TestWrappedEmojiUniverse(unittest.TestCase):
+    def _ts(self, y: int, m: int, d: int, h: int = 0, mi: int = 0, s: int = 0) -> int:
+        return int(datetime(y, m, d, h, mi, s).timestamp())
+
+    def _seed_contact_db(self, path: Path, *, account: str, usernames: list[str]) -> None:
+        conn = sqlite3.connect(str(path))
+        try:
+            conn.execute(
+                """
+                CREATE TABLE contact (
+                    username TEXT,
+                    remark TEXT,
+                    nick_name TEXT,
+                    alias TEXT,
+                    local_type INTEGER,
+                    verify_flag INTEGER,
+                    big_head_url TEXT,
+                    small_head_url TEXT
+                )
+                """
+            )
+            conn.execute(
+                """
+                CREATE TABLE stranger (
+                    username TEXT,
+                    remark TEXT,
+                    nick_name TEXT,
+                    alias TEXT,
+                    local_type INTEGER,
+                    verify_flag INTEGER,
+                    big_head_url TEXT,
+                    small_head_url TEXT
+                )
+                """
+            )
+            conn.execute(
+                "INSERT INTO contact VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+                (account, "", "我", "", 1, 0, "", ""),
+            )
+            for idx, username in enumerate(usernames):
+                conn.execute(
+                    "INSERT INTO contact VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+                    (username, "", f"好友{idx + 1}", "", 1, 0, "", ""),
+                )
+            conn.commit()
+        finally:
+            conn.close()
+
+    def _seed_session_db(self, path: Path, *, usernames: list[str]) -> None:
+        conn = sqlite3.connect(str(path))
+        try:
+            conn.execute(
+                """
+                CREATE TABLE SessionTable (
+                    username TEXT,
+                    is_hidden INTEGER,
+                    sort_timestamp INTEGER
+                )
+                """
+            )
+            for username in usernames:
+                conn.execute("INSERT INTO SessionTable VALUES (?, ?, ?)", (username, 0, 1735689600))
+            conn.commit()
+        finally:
+            conn.close()
+
+    def _seed_message_db(
+        self,
+        path: Path,
+        *,
+        account: str,
+        username: str,
+        rows: list[dict[str, object]],
+    ) -> None:
+        table_name = f"msg_{hashlib.md5(username.encode('utf-8')).hexdigest()}"
+        conn = sqlite3.connect(str(path))
+        try:
+            conn.execute("CREATE TABLE Name2Id (rowid INTEGER PRIMARY KEY, user_name TEXT)")
+            conn.execute("INSERT INTO Name2Id(rowid, user_name) VALUES (?, ?)", (1, account))
+            conn.execute("INSERT INTO Name2Id(rowid, user_name) VALUES (?, ?)", (2, username))
+            conn.execute(
+                f"""
+                CREATE TABLE {table_name} (
+                    local_id INTEGER,
+                    server_id INTEGER,
+                    local_type INTEGER,
+                    sort_seq INTEGER,
+                    real_sender_id INTEGER,
+                    create_time INTEGER,
+                    message_content TEXT,
+                    compress_content BLOB,
+                    packed_info_data BLOB
+                )
+                """
+            )
+            for row in rows:
+                conn.execute(
+                    f"""
+                    INSERT INTO {table_name}
+                    (local_id, server_id, local_type, sort_seq, real_sender_id, create_time, message_content, compress_content, packed_info_data)
+                    VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
+                    """,
+                    (
+                        int(row.get("local_id", 0)),
+                        int(row.get("server_id", 0)),
+                        int(row.get("local_type", 0)),
+                        int(row.get("sort_seq", row.get("local_id", 0))),
+                        int(row.get("real_sender_id", 1)),
+                        int(row.get("create_time", 0)),
+                        str(row.get("message_content", "")),
+                        row.get("compress_content"),
+                        row.get("packed_info_data"),
+                    ),
+                )
+            conn.commit()
+        finally:
+            conn.close()
+
+    def _seed_index_db(self, path: Path, *, rows: list[dict[str, object]]) -> None:
+        conn = sqlite3.connect(str(path))
+        try:
+            conn.execute(
+                """
+                CREATE TABLE message_fts (
+                    text TEXT,
+                    username TEXT,
+                    render_type TEXT,
+                    create_time INTEGER,
+                    sort_seq INTEGER,
+                    local_id INTEGER,
+                    server_id INTEGER,
+                    local_type INTEGER,
+                    db_stem TEXT,
+                    table_name TEXT,
+                    sender_username TEXT,
+                    is_hidden INTEGER,
+                    is_official INTEGER
+                )
+                """
+            )
+            for row in rows:
+                conn.execute(
+                    """
+                    INSERT INTO message_fts (
+                        text, username, render_type, create_time, sort_seq, local_id, server_id, local_type,
+                        db_stem, table_name, sender_username, is_hidden, is_official
+                    ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+                    """,
+                    (
+                        str(row.get("text", "")),
+                        str(row.get("username", "")),
+                        str(row.get("render_type", "")),
+                        int(row.get("create_time", 0)),
+                        int(row.get("sort_seq", 0)),
+                        int(row.get("local_id", 0)),
+                        int(row.get("server_id", 0)),
+                        int(row.get("local_type", 0)),
+                        str(row.get("db_stem", "message_0")),
+                        str(row.get("table_name", "")),
+                        str(row.get("sender_username", "")),
+                        int(row.get("is_hidden", 0)),
+                        int(row.get("is_official", 0)),
+                    ),
+                )
+            conn.commit()
+        finally:
+            conn.close()
+
+    def _seed_resource_db(
+        self,
+        path: Path,
+        *,
+        username: str,
+        md5: str,
+        server_id: int,
+        local_id: int,
+        create_time: int,
+    ) -> None:
+        conn = sqlite3.connect(str(path))
+        try:
+            conn.execute("CREATE TABLE ChatName2Id (user_name TEXT)")
+            conn.execute("INSERT INTO ChatName2Id (rowid, user_name) VALUES (?, ?)", (7, username))
+            conn.execute(
+                """
+                CREATE TABLE MessageResourceInfo (
+                    message_id INTEGER PRIMARY KEY AUTOINCREMENT,
+                    message_svr_id INTEGER,
+                    chat_id INTEGER,
+                    message_local_type INTEGER,
+                    packed_info BLOB,
+                    message_local_id INTEGER,
+                    message_create_time INTEGER
+                )
+                """
+            )
+            packed = f"/tmp/{md5}.dat".encode("utf-8")
+            conn.execute(
+                """
+                INSERT INTO MessageResourceInfo
+                (message_svr_id, chat_id, message_local_type, packed_info, message_local_id, message_create_time)
+                VALUES (?, ?, ?, ?, ?, ?)
+                """,
+                (int(server_id), 7, 47, packed, int(local_id), int(create_time)),
+            )
+            conn.commit()
+        finally:
+            conn.close()
+
+    def test_only_sticker_messages_outputs_core_stats(self):
+        from wechat_decrypt_tool.wrapped.cards.card_04_emoji_universe import compute_emoji_universe_stats
+
+        with TemporaryDirectory() as td:
+            root = Path(td)
+            account = "wxid_me"
+            friend = "wxid_friend_a"
+            account_dir = root / account
+            account_dir.mkdir(parents=True, exist_ok=True)
+
+            self._seed_contact_db(account_dir / "contact.db", account=account, usernames=[friend])
+            self._seed_session_db(account_dir / "session.db", usernames=[friend])
+
+            md5_a = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+            md5_b = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"
+            rows = [
+                {
+                    "local_id": 1,
+                    "server_id": 1001,
+                    "local_type": 47,
+                    "create_time": self._ts(2025, 1, 1, 10, 5, 0),
+                    "message_content": f'<msg><emoji md5="{md5_a}" cdnurl="http://cdn/a.gif"/></msg>',
+                },
+                {
+                    "local_id": 2,
+                    "server_id": 1002,
+                    "local_type": 47,
+                    "create_time": self._ts(2025, 1, 1, 10, 30, 0),
+                    "message_content": f'<msg><emoji md5="{md5_a}" cdnurl="http://cdn/a2.gif"/></msg>',
+                },
+                {
+                    "local_id": 3,
+                    "server_id": 1003,
+                    "local_type": 47,
+                    "create_time": self._ts(2025, 1, 2, 22, 10, 0),
+                    "message_content": f'<msg><emoji md5="{md5_b}" cdnurl="http://cdn/b.gif"/></msg>',
+                },
+            ]
+            self._seed_message_db(account_dir / "message_0.db", account=account, username=friend, rows=rows)
+
+            table_name = f"msg_{hashlib.md5(friend.encode('utf-8')).hexdigest()}"
+            fts_rows = []
+            for row in rows:
+                fts_rows.append(
+                    {
+                        "text": "[表情]",
+                        "username": friend,
+                        "render_type": "emoji",
+                        "create_time": row["create_time"],
+                        "sort_seq": row["local_id"],
+                        "local_id": row["local_id"],
+                        "server_id": row["server_id"],
+                        "local_type": 47,
+                        "db_stem": "message_0",
+                        "table_name": table_name,
+                        "sender_username": account,
+                    }
+                )
+            self._seed_index_db(account_dir / "chat_search_index.db", rows=fts_rows)
+
+            data = compute_emoji_universe_stats(account_dir=account_dir, year=2025)
+
+            self.assertTrue(data["settings"]["usedIndex"])
+            self.assertEqual(data["sentStickerCount"], 3)
+            self.assertEqual(data["peakHour"], 10)
+            self.assertIsNotNone(data["peakWeekday"])
+            self.assertEqual(data["topBattlePartner"]["username"], friend)
+            self.assertEqual(data["topBattlePartner"]["stickerCount"], 3)
+            self.assertEqual(data["topBattlePartner"]["maskedName"], data["topBattlePartner"]["displayName"])
+            self.assertEqual(data["topStickers"][0]["md5"], md5_a)
+            self.assertEqual(data["topStickers"][0]["count"], 2)
+            self.assertTrue(str(data["topStickers"][0].get("sampleDisplayName") or "").strip())
+            self.assertTrue(str(data["topStickers"][0].get("sampleAvatarUrl") or "").startswith("/api/chat/avatar"))
+
+    def test_fallback_to_resource_md5_when_xml_missing(self):
+        from wechat_decrypt_tool.wrapped.cards.card_04_emoji_universe import compute_emoji_universe_stats
+
+        with TemporaryDirectory() as td:
+            root = Path(td)
+            account = "wxid_me"
+            friend = "wxid_friend_b"
+            account_dir = root / account
+            account_dir.mkdir(parents=True, exist_ok=True)
+
+            self._seed_contact_db(account_dir / "contact.db", account=account, usernames=[friend])
+            self._seed_session_db(account_dir / "session.db", usernames=[friend])
+
+            ts = self._ts(2025, 3, 8, 21, 0, 0)
+            rows = [
+                {
+                    "local_id": 11,
+                    "server_id": 220011,
+                    "local_type": 47,
+                    "create_time": ts,
+                    "message_content": '<msg><emoji cdnurl="http://cdn/no_md5.gif"/></msg>',
+                }
+            ]
+            self._seed_message_db(account_dir / "message_0.db", account=account, username=friend, rows=rows)
+
+            md5_fallback = "cccccccccccccccccccccccccccccccc"
+            self._seed_resource_db(
+                account_dir / "message_resource.db",
+                username=friend,
+                md5=md5_fallback,
+                server_id=220011,
+                local_id=11,
+                create_time=ts,
+            )
+
+            data = compute_emoji_universe_stats(account_dir=account_dir, year=2025)
+
+            self.assertFalse(data["settings"]["usedIndex"])
+            self.assertEqual(data["sentStickerCount"], 1)
+            self.assertEqual(data["topStickers"][0]["md5"], md5_fallback)
+            self.assertEqual(data["topStickers"][0]["count"], 1)
+
+    def test_text_emoji_mapping_from_wechat_emojis_ts(self):
+        from wechat_decrypt_tool.wrapped.cards.card_04_emoji_universe import compute_emoji_universe_stats
+
+        with TemporaryDirectory() as td:
+            root = Path(td)
+            account = "wxid_me"
+            friend = "wxid_friend_c"
+            account_dir = root / account
+            account_dir.mkdir(parents=True, exist_ok=True)
+
+            self._seed_contact_db(account_dir / "contact.db", account=account, usernames=[friend])
+            self._seed_session_db(account_dir / "session.db", usernames=[friend])
+
+            table_name = f"msg_{hashlib.md5(friend.encode('utf-8')).hexdigest()}"
+            fts_rows = [
+                {
+                    "text": "早上好[微笑][微笑]🙂🙂",
+                    "username": friend,
+                    "render_type": "text",
+                    "create_time": self._ts(2025, 4, 1, 9, 0, 0),
+                    "local_id": 1,
+                    "server_id": 901,
+                    "local_type": 1,
+                    "db_stem": "message_0",
+                    "table_name": table_name,
+                    "sender_username": account,
+                },
+                {
+                    "text": "晚上见[微笑][发呆]😂",
+                    "username": friend,
+                    "render_type": "text",
+                    "create_time": self._ts(2025, 4, 1, 22, 0, 0),
+                    "local_id": 2,
+                    "server_id": 902,
+                    "local_type": 1,
+                    "db_stem": "message_0",
+                    "table_name": table_name,
+                    "sender_username": account,
+                },
+            ]
+            self._seed_index_db(account_dir / "chat_search_index.db", rows=fts_rows)
+
+            data = compute_emoji_universe_stats(account_dir=account_dir, year=2025)
+            self.assertTrue(data["settings"]["usedIndex"])
+            self.assertGreaterEqual(len(data["topTextEmojis"]), 1)
+            self.assertEqual(data["topTextEmojis"][0]["key"], "[微笑]")
+            self.assertEqual(data["topTextEmojis"][0]["count"], 3)
+            self.assertTrue(data["topTextEmojis"][0]["assetPath"].endswith("Expression_1@2x.png"))
+            self.assertGreaterEqual(len(data["topUnicodeEmojis"]), 1)
+            self.assertEqual(data["topUnicodeEmojis"][0]["emoji"], "🙂")
+            self.assertEqual(data["topUnicodeEmojis"][0]["count"], 2)
+
+    def test_wechat_builtin_emoji_from_packed_info_data(self):
+        from wechat_decrypt_tool.wrapped.cards.card_04_emoji_universe import compute_emoji_universe_stats
+
+        with TemporaryDirectory() as td:
+            root = Path(td)
+            account = "wxid_me"
+            friend = "wxid_friend_e"
+            account_dir = root / account
+            account_dir.mkdir(parents=True, exist_ok=True)
+
+            self._seed_contact_db(account_dir / "contact.db", account=account, usernames=[friend])
+            self._seed_session_db(account_dir / "session.db", usernames=[friend])
+
+            # packed_info_data protobuf varints:
+            # 08 04 => field#1=4
+            # 10 33 => field#2=51 (Expression_51@2x)
+            rows = [
+                {
+                    "local_id": 1,
+                    "server_id": 501,
+                    "local_type": 47,
+                    "create_time": self._ts(2025, 7, 1, 10, 0, 0),
+                    "message_content": "binary_emoji_payload_a",
+                    "packed_info_data": bytes.fromhex("08041033"),
+                },
+                {
+                    "local_id": 2,
+                    "server_id": 502,
+                    "local_type": 47,
+                    "create_time": self._ts(2025, 7, 1, 10, 1, 0),
+                    "message_content": "binary_emoji_payload_b",
+                    "packed_info_data": bytes.fromhex("08041033"),
+                },
+                {
+                    "local_id": 3,
+                    "server_id": 503,
+                    "local_type": 47,
+                    "create_time": self._ts(2025, 7, 1, 11, 0, 0),
+                    "message_content": "binary_emoji_payload_c",
+                    "packed_info_data": bytes.fromhex("0804104a"),
+                },
+            ]
+            self._seed_message_db(account_dir / "message_0.db", account=account, username=friend, rows=rows)
+
+            data = compute_emoji_universe_stats(account_dir=account_dir, year=2025)
+
+            self.assertFalse(data["settings"]["usedIndex"])
+            self.assertEqual(data["sentStickerCount"], 3)
+            self.assertGreaterEqual(len(data["topWechatEmojis"]), 1)
+            self.assertEqual(data["topWechatEmojis"][0]["id"], 51)
+            self.assertEqual(data["topWechatEmojis"][0]["count"], 2)
+            self.assertTrue(data["topWechatEmojis"][0]["assetPath"].endswith("Expression_51@2x.png"))
+            self.assertGreaterEqual(len(data["topStickers"]), 1)
+            self.assertEqual(data["topStickers"][0]["emojiId"], 51)
+            self.assertEqual(data["topStickers"][0]["count"], 2)
+            self.assertTrue(str(data["topStickers"][0].get("emojiAssetPath") or "").endswith("Expression_51@2x.png"))
+
+    def test_index_counts_only_sent_messages(self):
+        from wechat_decrypt_tool.wrapped.cards.card_04_emoji_universe import compute_emoji_universe_stats
+
+        with TemporaryDirectory() as td:
+            root = Path(td)
+            account = "wxid_me"
+            friend = "wxid_friend_sent_only"
+            account_dir = root / account
+            account_dir.mkdir(parents=True, exist_ok=True)
+
+            self._seed_contact_db(account_dir / "contact.db", account=account, usernames=[friend])
+            self._seed_session_db(account_dir / "session.db", usernames=[friend])
+
+            rows = [
+                {
+                    "text": "[ 微 笑 ]",
+                    "username": friend,
+                    "render_type": "text",
+                    "create_time": self._ts(2025, 6, 2, 9, 0, 0),
+                    "local_id": 101,
+                    "server_id": 4001,
+                    "local_type": 1,
+                    "table_name": "msg_dummy",
+                    "sender_username": account,
+                },
+                {
+                    "text": "[ 发 呆 ]",
+                    "username": friend,
+                    "render_type": "text",
+                    "create_time": self._ts(2025, 6, 2, 9, 1, 0),
+                    "local_id": 102,
+                    "server_id": 4002,
+                    "local_type": 1,
+                    "table_name": "msg_dummy",
+                    "sender_username": friend,
+                },
+                {
+                    "text": "[表情]",
+                    "username": friend,
+                    "render_type": "emoji",
+                    "create_time": self._ts(2025, 6, 2, 9, 2, 0),
+                    "local_id": 201,
+                    "server_id": 5001,
+                    "local_type": 47,
+                    "table_name": "msg_dummy",
+                    "sender_username": account,
+                },
+                {
+                    "text": "[表情]",
+                    "username": friend,
+                    "render_type": "emoji",
+                    "create_time": self._ts(2025, 6, 2, 9, 3, 0),
+                    "local_id": 202,
+                    "server_id": 5002,
+                    "local_type": 47,
+                    "table_name": "msg_dummy",
+                    "sender_username": friend,
+                },
+            ]
+            self._seed_index_db(account_dir / "chat_search_index.db", rows=rows)
+
+            data = compute_emoji_universe_stats(account_dir=account_dir, year=2025)
+            self.assertTrue(data["settings"]["usedIndex"])
+
+            self.assertEqual(data["sentStickerCount"], 1)
+
+            keys = {x.get("key") for x in data.get("topTextEmojis") or []}
+            self.assertIn("[微笑]", keys)
+            self.assertNotIn("[发呆]", keys)
+
+    def test_raw_db_counts_only_sent_messages(self):
+        from wechat_decrypt_tool.wrapped.cards.card_04_emoji_universe import compute_emoji_universe_stats
+
+        with TemporaryDirectory() as td:
+            root = Path(td)
+            account = "wxid_me"
+            friend = "wxid_friend_raw_dir"
+            account_dir = root / account
+            account_dir.mkdir(parents=True, exist_ok=True)
+
+            self._seed_contact_db(account_dir / "contact.db", account=account, usernames=[friend])
+            self._seed_session_db(account_dir / "session.db", usernames=[friend])
+
+            rows = [
+                {
+                    "local_id": 1,
+                    "server_id": 1001,
+                    "local_type": 1,
+                    "real_sender_id": 1,
+                    "create_time": self._ts(2025, 7, 1, 8, 0, 0),
+                    "message_content": "/::B",
+                },
+                {
+                    "local_id": 2,
+                    "server_id": 1002,
+                    "local_type": 1,
+                    "real_sender_id": 2,
+                    "create_time": self._ts(2025, 7, 1, 8, 1, 0),
+                    "message_content": "/::B",
+                },
+                {
+                    "local_id": 3,
+                    "server_id": 1101,
+                    "local_type": 47,
+                    "real_sender_id": 1,
+                    "create_time": self._ts(2025, 7, 1, 9, 0, 0),
+                    "message_content": "binary_emoji_payload_a",
+                    "packed_info_data": bytes.fromhex("08031033"),
+                },
+                {
+                    "local_id": 4,
+                    "server_id": 1102,
+                    "local_type": 47,
+                    "real_sender_id": 2,
+                    "create_time": self._ts(2025, 7, 1, 9, 1, 0),
+                    "message_content": "binary_emoji_payload_b",
+                    "packed_info_data": bytes.fromhex("08031033"),
+                },
+            ]
+            self._seed_message_db(account_dir / "message_0.db", account=account, username=friend, rows=rows)
+
+            data = compute_emoji_universe_stats(account_dir=account_dir, year=2025)
+
+            self.assertFalse(data["settings"]["usedIndex"])
+            self.assertEqual(data["sentStickerCount"], 1)
+            self.assertEqual(data["topWechatEmojis"][0]["id"], 51)
+            self.assertEqual(data["topWechatEmojis"][0]["count"], 1)
+
+            self.assertGreaterEqual(len(data["topTextEmojis"]), 1)
+            self.assertEqual(data["topTextEmojis"][0]["key"], "[色]")
+            self.assertEqual(data["topTextEmojis"][0]["count"], 1)
+            self.assertTrue(data["topTextEmojis"][0]["assetPath"].endswith("Expression_3@2x.png"))
+
+    def test_new_and_revived_sticker_metrics(self):
+        from wechat_decrypt_tool.wrapped.cards.card_04_emoji_universe import compute_emoji_universe_stats
+
+        with TemporaryDirectory() as td:
+            root = Path(td)
+            account = "wxid_me"
+            friend = "wxid_friend_new_revived"
+            account_dir = root / account
+            account_dir.mkdir(parents=True, exist_ok=True)
+
+            self._seed_contact_db(account_dir / "contact.db", account=account, usernames=[friend])
+            self._seed_session_db(account_dir / "session.db", usernames=[friend])
+
+            md5_revived = "dddddddddddddddddddddddddddddddd"
+            md5_recent = "eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee"
+            md5_new = "ffffffffffffffffffffffffffffffff"
+            rows = [
+                {
+                    "local_id": 1,
+                    "server_id": 5001,
+                    "local_type": 47,
+                    "create_time": self._ts(2024, 1, 1, 9, 0, 0),
+                    "message_content": f'<msg><emoji md5="{md5_revived}" /></msg>',
+                },
+                {
+                    "local_id": 2,
+                    "server_id": 5002,
+                    "local_type": 47,
+                    "create_time": self._ts(2024, 12, 28, 10, 0, 0),
+                    "message_content": f'<msg><emoji md5="{md5_recent}" /></msg>',
+                },
+                {
+                    "local_id": 3,
+                    "server_id": 5003,
+                    "local_type": 47,
+                    "create_time": self._ts(2025, 1, 5, 11, 0, 0),
+                    "message_content": f'<msg><emoji md5="{md5_recent}" /></msg>',
+                },
+                {
+                    "local_id": 4,
+                    "server_id": 5004,
+                    "local_type": 47,
+                    "create_time": self._ts(2025, 3, 15, 12, 0, 0),
+                    "message_content": f'<msg><emoji md5="{md5_revived}" /></msg>',
+                },
+                {
+                    "local_id": 5,
+                    "server_id": 5005,
+                    "local_type": 47,
+                    "create_time": self._ts(2025, 5, 10, 13, 0, 0),
+                    "message_content": f'<msg><emoji md5="{md5_new}" /></msg>',
+                },
+            ]
+            self._seed_message_db(account_dir / "message_0.db", account=account, username=friend, rows=rows)
+
+            data = compute_emoji_universe_stats(account_dir=account_dir, year=2025)
+
+            self.assertEqual(data["sentStickerCount"], 3)
+            self.assertEqual(data["uniqueStickerTypeCount"], 3)
+            self.assertEqual(data["newStickerCountThisYear"], 1)
+            self.assertEqual(data["revivedStickerCount"], 1)
+            self.assertEqual(data["revivedMinGapDays"], 60)
+            self.assertGreaterEqual(int(data.get("revivedMaxGapDays") or 0), 400)
+            new_samples = list(data.get("newStickerSamples") or [])
+            revived_samples = list(data.get("revivedStickerSamples") or [])
+            self.assertTrue(any(str(x.get("md5") or "") == md5_new for x in new_samples))
+            self.assertTrue(any(str(x.get("md5") or "") == md5_revived for x in revived_samples))
+            revived_item = next((x for x in revived_samples if str(x.get("md5") or "") == md5_revived), {})
+            self.assertGreaterEqual(int(revived_item.get("gapDays") or 0), 400)
+
+    def test_empty_year_returns_safe_empty_state(self):
+        from wechat_decrypt_tool.wrapped.cards.card_04_emoji_universe import build_card_04_emoji_universe
+
+        with TemporaryDirectory() as td:
+            root = Path(td)
+            account = "wxid_me"
+            account_dir = root / account
+            account_dir.mkdir(parents=True, exist_ok=True)
+            self._seed_contact_db(account_dir / "contact.db", account=account, usernames=[])
+            self._seed_session_db(account_dir / "session.db", usernames=[])
+
+            card = build_card_04_emoji_universe(account_dir=account_dir, year=2025)
+            self.assertEqual(card["id"], 4)
+            self.assertEqual(card["status"], "ok")
+            self.assertEqual(card["data"]["sentStickerCount"], 0)
+            self.assertIn("几乎没用表情表达", card["narrative"])
+            self.assertIsInstance(card["data"]["lines"], list)
+            self.assertGreaterEqual(len(card["data"]["lines"]), 1)
+            self.assertEqual(card["data"].get("topUnicodeEmojis"), [])
+
+    def test_tie_break_is_stable_by_key(self):
+        from wechat_decrypt_tool.wrapped.cards.card_04_emoji_universe import compute_emoji_universe_stats
+
+        with TemporaryDirectory() as td:
+            root = Path(td)
+            account = "wxid_me"
+            friend = "wxid_friend_d"
+            account_dir = root / account
+            account_dir.mkdir(parents=True, exist_ok=True)
+
+            self._seed_contact_db(account_dir / "contact.db", account=account, usernames=[friend])
+            self._seed_session_db(account_dir / "session.db", usernames=[friend])
+
+            md5_a = "11111111111111111111111111111111"
+            md5_b = "22222222222222222222222222222222"
+            rows = [
+                {
+                    "local_id": 1,
+                    "server_id": 301,
+                    "local_type": 47,
+                    "create_time": self._ts(2025, 6, 1, 8, 0, 0),
+                    "message_content": f'<msg><emoji md5="{md5_a}" /></msg>',
+                },
+                {
+                    "local_id": 2,
+                    "server_id": 302,
+                    "local_type": 47,
+                    "create_time": self._ts(2025, 6, 1, 8, 1, 0),
+                    "message_content": f'<msg><emoji md5="{md5_b}" /></msg>',
+                },
+                {
+                    "local_id": 3,
+                    "server_id": 303,
+                    "local_type": 47,
+                    "create_time": self._ts(2025, 6, 1, 8, 2, 0),
+                    "message_content": f'<msg><emoji md5="{md5_a}" /></msg>',
+                },
+                {
+                    "local_id": 4,
+                    "server_id": 304,
+                    "local_type": 47,
+                    "create_time": self._ts(2025, 6, 1, 8, 3, 0),
+                    "message_content": f'<msg><emoji md5="{md5_b}" /></msg>',
+                },
+            ]
+            self._seed_message_db(account_dir / "message_0.db", account=account, username=friend, rows=rows)
+
+            table_name = f"msg_{hashlib.md5(friend.encode('utf-8')).hexdigest()}"
+            fts_rows = []
+            for row in rows:
+                fts_rows.append(
+                    {
+                        "text": "[表情]",
+                        "username": friend,
+                        "render_type": "emoji",
+                        "create_time": row["create_time"],
+                        "local_id": row["local_id"],
+                        "server_id": row["server_id"],
+                        "local_type": 47,
+                        "db_stem": "message_0",
+                        "table_name": table_name,
+                        "sender_username": account,
+                    }
+                )
+            fts_rows.extend(
+                [
+                    {
+                        # `chat_search_index` stores text as char-tokens: "[微笑][发呆]" -> "[ 微 笑 ] [ 发 呆 ]"
+                        "text": "[ 微 笑 ] [ 发 呆 ]",
+                        "username": friend,
+                        "render_type": "text",
+                        "create_time": self._ts(2025, 6, 2, 9, 0, 0),
+                        "local_id": 101,
+                        "server_id": 4001,
+                        "local_type": 1,
+                        "db_stem": "message_0",
+                        "table_name": table_name,
+                        "sender_username": account,
+                    },
+                    {
+                        "text": "[ 发 呆 ] [ 微 笑 ]",
+                        "username": friend,
+                        "render_type": "text",
+                        "create_time": self._ts(2025, 6, 2, 9, 1, 0),
+                        "local_id": 102,
+                        "server_id": 4002,
+                        "local_type": 1,
+                        "db_stem": "message_0",
+                        "table_name": table_name,
+                        "sender_username": account,
+                    },
+                ]
+            )
+            self._seed_index_db(account_dir / "chat_search_index.db", rows=fts_rows)
+
+            data = compute_emoji_universe_stats(account_dir=account_dir, year=2025)
+
+            self.assertEqual(data["topStickers"][0]["md5"], md5_a)
+            expected_emoji_key = sorted(["[微笑]", "[发呆]"])[0]
+            self.assertEqual(data["topTextEmojis"][0]["key"], expected_emoji_key)
+
+
+if __name__ == "__main__":
+    unittest.main()