fix(self-operated): render dashboard KPIs with omitted unknown values

src/modules/self-operated/pages/OverviewView.vue

@@ -100,9 +100,10 @@ async function load(refresh = false) {
     if (!request.current()) return
     if (!result?.context || metricNames.some(({ key }) => {
       const metric = result?.kpis?.[key]
-      return metric == null || typeof metric !== 'object' || !('value' in metric)
+      // Unknown quantities may be omitted by the server's NON_NULL serialization.
+      return metric == null || typeof metric !== 'object' || !['COMPLETE', 'PARTIAL', 'UNKNOWN'].includes(metric.dataStatus)
     })) {
-      error.value = `经营总览指标返回不完整，请更新服务后重新查询${data.value ? '；展示上次查询' : ''}`
+      error.value = `经营总览返回的指标结构不完整，请重试或联系管理员${data.value ? '；展示上次查询' : ''}`
       return
     }
     if (pinned && !sameContext(pinned, result.context)) { error.value = '查询版本不一致，请整体刷新经营总览'; return }
@@ -183,7 +184,7 @@ onUnmounted(() => { dataFence.cancel(); trendFence.cancel(); poller.stop(); clea
     <p v-if="!permitted" role="alert">没有自营经营数据查看权限。</p>
     <template v-else>
       <DataTable appearance="integrated" :data="[]" :columns="[]" :results-visible="false" column-settings-mode="hide">
-        <template #toolbar-start><div class="dashboard-title"><h2>经营总览</h2><span class="dashboard-snapshot">{{ runtime?.warehouses.find(item => item.warehouseCode === warehouseCode)?.warehouseName || warehouseCode }}<i />{{ loading ? '正在更新' : data ? '固定版本 · 北京时间' : '正在准备数据' }}</span></div></template>
+        <template #toolbar-start><div class="dashboard-title"><h2>经营总览</h2><span class="dashboard-snapshot">{{ runtime?.warehouses.find(item => item.warehouseCode === warehouseCode)?.warehouseName || warehouseCode }}<i />{{ loading ? '正在更新' : data ? '固定版本 · 北京时间' : error ? '查询未完成' : '正在准备数据' }}</span></div></template>
         <template #toolbar-actions><div class="density-actions"><el-button :disabled="!data || contextExpired" @click="drill('sales', { analysis: 'SKU', rangePreset: appliedRange.rangePreset, ...(appliedRange.startDate ? { startDate: appliedRange.startDate, endDate: appliedRange.endDate! } : {}) })">查看销量</el-button><el-button :disabled="!warehouseCode" @click="router.push({ path: '/self-operated/inventory', query: { warehouseCode } })">{{ stockExpired ? '普通库存诊断' : '查看库存' }}</el-button><el-button :disabled="!warehouseCode" @click="router.push({ path: '/self-operated/collection', query: { warehouseCode } })">数据采集</el-button><el-button :disabled="!warehouseCode || loading || Boolean(routeError)" @click="load(true)">整体刷新</el-button></div></template>
         <template #toolbar-end>
           <el-popover placement="bottom-end" trigger="click" :width="460" title="统计口径与采集时间">