feat(management): 驾驶舱KPI环比(prev_kpis+delta)+异常卡带员工名跳详情+列表进详情带筛选

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

yunkes/src/views/management/ManagementDashboardView.vue

@@ -44,6 +44,7 @@
         <ManagementKpiCard
           label="活跃客户"
           :value="kpis?.active_customers ?? null"
+          :delta="deltaOf('active_customers')"
           unit="人"
           :hint="threadsHint"
         />
@@ -52,6 +53,7 @@
         <ManagementKpiCard
           label="活跃员工"
           :value="kpis?.active_employees ?? null"
+          :delta="deltaOf('active_employees')"
           unit="人"
           hint="期内有数据天数>0 口径"
         />
@@ -65,6 +67,7 @@
           <ManagementKpiCard
             label="消息量"
             :value="kpis?.msg_total ?? null"
+            :delta="deltaOf('msg_total')"
             unit="条"
             hint="1:1口径·与数据看板口径不同"
           />
@@ -209,6 +212,16 @@ watch([channel, start, end, compare], load, { immediate: true })
 const kpis = computed(() => resp.value?.kpis ?? null)
 const actions = computed(() => resp.value?.action_summary ?? null)
 
+// 三 KPI 卡环比(批次D):客户端统一按 (cur-prev)/prev 自 prev_kpis 计算
+// (数据同载荷都在;后端 msg_delta 备用未用)。prev_kpis 缺失(旧缓存
+// 响应)或 prev=0(前窗无数据)→ null 不显示
+function deltaOf(key: 'active_customers' | 'active_employees' | 'msg_total'): number | null {
+  const k = resp.value?.kpis
+  const p = resp.value?.prev_kpis
+  if (!k || !p || !p[key]) return null
+  return (k[key] - p[key]) / p[key]
+}
+
 // 活跃客户辅助行:串/被回(口径与 KPI 同载荷,管理域跨日精确串)
 const threadsHint = computed(() => {
   const k = kpis.value