feat(update): 下载页展示历史版本 + 控制台新增下载页链接入口

- 下载页支持展开查看/下载全部曾发布过的历史版本 APK，不再只显示最新版本
- 版本管理页工具栏新增"复制对外下载页链接"按钮，方便管理员查找和分享对外下载页地址

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

tenant-platform/src/api/update.ts

@@ -241,6 +241,15 @@ export interface UnifiedReleaseManifest {
   rnBundles: UnifiedRnUploadItem[]
 }
 
+export interface DownloadPageHistoryItem {
+  versionName: string
+  versionCode: number
+  downloadUrl?: string
+  changeLog?: string
+  publishedAt: string
+  current: boolean
+}
+
 export interface DownloadPageAppInfo {
   versionName: string
   versionCode: number
@@ -249,6 +258,7 @@ export interface DownloadPageAppInfo {
   storeUrl?: string
   storeLinks?: Record<string, string>
   publishedAt: string
+  history?: DownloadPageHistoryItem[]
 }
 
 export interface DownloadPageInfo {

tenant-platform/src/views/download/DownloadView.vue

@@ -51,6 +51,22 @@
               rel="noopener"
             >{{ link.label }}</a>
           </div>
+
+          <div v-if="section.key === 'android' && olderHistory.length" class="history">
+            <button class="history-toggle" @click="historyOpen = !historyOpen">
+              历史版本（{{ olderHistory.length }}）{{ historyOpen ? '收起' : '展开' }}
+            </button>
+            <div v-if="historyOpen" class="history-list">
+              <div v-for="item in olderHistory" :key="item.versionCode" class="history-item">
+                <div class="history-item-info">
+                  <span class="version-name">{{ item.versionName }}</span>
+                  <span class="version-code">（{{ item.versionCode }}）</span>
+                  <span v-if="item.publishedAt" class="history-date">{{ formatDate(item.publishedAt) }}</span>
+                </div>
+                <a v-if="item.downloadUrl" class="btn btn-secondary btn-small" :href="item.downloadUrl">下载</a>
+              </div>
+            </div>
+          </div>
         </template>
 
         <div v-else class="empty">当前应用无可用安装包</div>
@@ -145,6 +161,20 @@ const otherStoreLinks = computed(() => {
   }))
 })
 
+const historyOpen = ref(false)
+
+const olderHistory = computed(() => {
+  const history = data.value?.android?.history
+  if (!history) return []
+  return history.filter((item) => !item.current)
+})
+
+function formatDate(iso: string): string {
+  const d = new Date(iso)
+  if (Number.isNaN(d.getTime())) return ''
+  return `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, '0')}-${String(d.getDate()).padStart(2, '0')}`
+}
+
 onMounted(async () => {
   if (!appKey) {
     loadError.value = '缺少应用标识'
@@ -258,4 +288,51 @@ onMounted(async () => {
   color: #999;
   font-size: 14px;
 }
+
+.history {
+  margin-top: 16px;
+  border-top: 1px solid #eee;
+  padding-top: 12px;
+}
+
+.history-toggle {
+  background: none;
+  border: none;
+  color: #409eff;
+  font-size: 13px;
+  cursor: pointer;
+  padding: 0;
+}
+
+.history-list {
+  margin-top: 10px;
+  display: flex;
+  flex-direction: column;
+  gap: 10px;
+}
+
+.history-item {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+  font-size: 13px;
+}
+
+.history-item-info {
+  display: flex;
+  flex-direction: column;
+  gap: 2px;
+}
+
+.history-date {
+  color: #999;
+  font-size: 12px;
+}
+
+.btn-small {
+  padding: 6px 14px;
+  font-size: 13px;
+  flex-shrink: 0;
+}
 </style>

tenant-platform/src/views/update/VersionManagementView.vue

@@ -47,6 +47,7 @@
             </el-radio-group>
             <el-button type="primary" @click="openUploadAppDialog" :disabled="!platformPackageName">上传新版本</el-button>
             <el-button @click="loadAppVersions" :loading="loadingApp">刷新</el-button>
+            <el-button @click="copyDownloadPageLink">复制对外下载页链接</el-button>
           </div>
           <el-alert
             v-if="!platformPackageName"
@@ -1033,6 +1034,20 @@ const showActivationDialog = ref(false)
 const activationReason = ref('')
 const submittingActivation = ref(false)
 
+async function copyDownloadPageLink() {
+  if (!appKey.value) {
+    ElMessage.warning('缺少应用标识')
+    return
+  }
+  const url = `${window.location.origin}/download/${appKey.value}`
+  try {
+    await navigator.clipboard.writeText(url)
+    ElMessage.success(`已复制对外下载页链接：${url}`)
+  } catch {
+    ElMessage.info(url)
+  }
+}
+
 async function checkServiceEnabled() {
   checkingService.value = true
   serviceEnabled.value = null