fix(analytics): 看板异常明细诊断优先排序+角标复用formatTimeShort+health解耦

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

yunkes/src/views/analytics/DashboardView.vue

@@ -57,9 +57,10 @@
 // 数据来自 /analytics/overview + /analytics/health(数据截至角标)。
 import { computed, onMounted, ref, watch } from 'vue'
 import {
-  getAnalyticsHealth, getOverview, type Channel, type OverviewResp, type Scope,
+  getAnalyticsHealth, getOverview, type AnomalyStaff, type Channel, type OverviewResp, type Scope,
 } from '@/api/analytics'
 import { useChart } from '@/composables/useChart'
+import { formatTimeShort } from '@/utils/format'
 
 interface CardItem {
   label: string
@@ -101,10 +102,9 @@ async function load() {
   loading.value = true
   error.value = ''
   try {
-    const [ov, h] = await Promise.all([getOverview(channel.value, scope.value), getAnalyticsHealth()])
+    const ov = await getOverview(channel.value, scope.value)
     if (my !== seq) return
     data.value = ov
-    asOf.value = h.data_as_of
   } catch (e) {
     if (my === seq) error.value = e instanceof Error ? e.message : String(e)
   } finally {
@@ -113,12 +113,15 @@ async function load() {
   }
 }
 
-const asOfText = computed(() => {
-  if (!asOf.value) return ''
-  const d = new Date(asOf.value)
-  const pad = (n: number) => String(n).padStart(2, '0')
-  return `${d.getMonth() + 1}-${pad(d.getDate())} ${pad(d.getHours())}:${pad(d.getMinutes())}`
-})
+const asOfText = computed(() => formatTimeShort(asOf.value))
+
+// 异常员工偏离分:相对前 7 日均值的变化幅度;无均值但昨日有量/新增 → 最高优先
+const anomalyDeviation = (s: AnomalyStaff) =>
+  s.prev7_mean > 0
+    ? Math.abs(s.yesterday - s.prev7_mean) / s.prev7_mean
+    : s.yesterday > 0 || s.new
+      ? Infinity
+      : 0
 
 // 异常警示展示模型:判空/格式化收在 computed,模板只读定型字段(slot 闭包里
 // 无法沿用 v-if 的空值窄化,预拍平最稳)
@@ -131,12 +134,18 @@ const anomalyView = computed<AnomalyView | null>(() => {
     yesterday: a.yesterday_total,
     mean: a.prev7_mean,
     staffCount: a.staff.length,
-    topStaff: a.staff.slice(0, 5).map((s) => ({
-      user_id: s.user_id,
-      yesterday: s.yesterday,
-      prev7_mean: s.prev7_mean,
-      isNew: !!s.new,
-    })),
+    // 截前 5 条前按「诊断价值」重排,不能沿用后端 yesterday 降序——归零
+    // (掉同步/离职,spec §3.2 核心用例)恰在降序尾部,掉线事故(>5 人被
+    // 标记)时最先被裁掉。归零/新增置顶,其余按偏离幅度降序。
+    topStaff: [...a.staff]
+      .sort((x, y) => anomalyDeviation(y) - anomalyDeviation(x))
+      .slice(0, 5)
+      .map((s) => ({
+        user_id: s.user_id,
+        yesterday: s.yesterday,
+        prev7_mean: s.prev7_mean,
+        isNew: !!s.new,
+      })),
   }
 })
 
@@ -189,7 +198,16 @@ function draw() {
 // post:等 DOM 更新后再画,保证首帧 chartEl 已挂载(趋势图恒 30 天,随 data 重画)
 watch([data, trendMetric], draw, { flush: 'post' })
 
-onMounted(load)
+onMounted(() => {
+  load()
+  // health(数据截至)与筛选无关,挂载拉一次即可;失败只影响角标(静默隐藏),
+  // 不进页面 error alert
+  getAnalyticsHealth()
+    .then((h) => {
+      asOf.value = h.data_as_of
+    })
+    .catch(() => {})
+})
 </script>
 
 <style scoped>