feat: 知识管理加更新时间列；趋势管理待补筛选+统计+AI批量补齐人话解读接口

admin/src/views/Knowledge.vue

@@ -21,6 +21,9 @@
         </template>
       </el-table-column>
       <el-table-column prop="viewCount" label="浏览" width="70" />
+      <el-table-column label="更新时间" width="150">
+        <template #default="{ row }">{{ fmt(row.updatedAt || row.createdAt) }}</template>
+      </el-table-column>
       <el-table-column label="状态" width="80">
         <template #default="{ row }">
           <el-tag :type="row.status === 'approved' ? 'success' : 'warning'" size="small">{{ STATUS[row.status] || row.status }}</el-tag>
@@ -130,6 +133,7 @@ async function del(row) {
   try { await apiDelete(`/api/admin/knowledge/${row._id}`); ElMessage.success('已删除'); load() }
   catch (e) { ElMessage.error(e.message || '删除失败') }
 }
+function fmt(t) { return t ? new Date(t).toLocaleString('zh-CN', { hour12: false }) : '—' }
 onMounted(load)
 </script>
 

admin/src/views/Trends.vue

@@ -3,6 +3,8 @@
     <div class="toolbar">
       <el-input v-model="q" placeholder="搜索标题" style="width: 220px" clearable @keyup.enter="search" />
       <el-button type="primary" @click="search">搜索</el-button>
+      <el-button :type="missingOnly ? 'warning' : 'default'" @click="filterMissing">待补 {{ missingCount }}</el-button>
+      <el-button type="success" :loading="filling" :disabled="!missingCount" @click="fillMissing">AI 补齐人话解读</el-button>
       <el-button type="success" @click="openEdit(null)">新增资讯</el-button>
     </div>
     <el-table :data="list" stripe v-loading="loading">
@@ -18,7 +20,7 @@
       <el-table-column label="人话解读" min-width="170" show-overflow-tooltip>
         <template #default="{ row }">
           <span v-if="row.plainExplain">{{ row.plainExplain }}<template v-if="row.takeAway"> ｜ {{ row.takeAway }}</template></span>
-          <el-tag v-else type="info" size="small">待补</el-tag>
+          <el-tag v-else type="warning" size="small" style="cursor:pointer" @click="filterMissing">待补（点击筛选）</el-tag>
         </template>
       </el-table-column>
       <el-table-column label="日期" width="110">
@@ -65,12 +67,26 @@ const list = ref([]), total = ref(0), page = ref(1), pageSize = 20, q = ref(''),
 const dlg = ref(false)
 const form = ref({})
 function search() { page.value = 1; load() }
+const missingOnly = ref(false)
+const missingCount = ref(0)
+const filling = ref(false)
+function filterMissing() { missingOnly.value = !missingOnly.value; page.value = 1; load() }
+async function fillMissing() {
+  if (!missingCount.value || filling.value) return
+  filling.value = true
+  try {
+    const r = await apiPost('/api/admin/trends/fill-plain', {})
+    ElMessage.success(`已补齐 ${r.filled || 0} 条人话解读`)
+    load()
+  } catch (e) { ElMessage.error(e.message || '补齐失败') } finally { filling.value = false }
+}
 async function load() {
   loading.value = true
   try {
-    const r = await apiGet(`/api/admin/trends?page=${page.value}&limit=${pageSize}&keyword=${encodeURIComponent(q.value)}`)
+    const r = await apiGet(`/api/admin/trends?page=${page.value}&limit=${pageSize}&keyword=${encodeURIComponent(q.value)}${missingOnly.value ? '&missing=1' : ''}`)
     list.value = r.items || []
     total.value = r.pagination?.total || 0
+    missingCount.value = r.missingCount ?? 0
   } finally { loading.value = false }
 }
 function openEdit(row) {