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>

yunke-server/app/api/routers/management.py

@@ -184,6 +184,26 @@ async def management_dashboard(
         "lifecycle": lifecycle,
     }
 
+    # ---- 前窗环比基线(批次D):prev 窗全员一次 period_metrics,聚合式与
+    # kpis 完全同式(活跃客户=Σactive_friends、活跃员工=天数>0 计数、
+    # msg_total=Σ(sent+recv)、cust_threads=Σ)。lifecycle(期末存量)与
+    # 通话(全渠道口径,表无渠道维)不加环比——期末/混合口径的环比意义弱。
+    ps, pe = prev_window(start, end)
+    prev_pms = list((await period_metrics(session, ps, pe, ch)).values())
+    prev_kpis = {
+        # 全员求和口径同 kpis(跨员工共享客户可能重复计)
+        "active_customers": sum(p.active_friends for p in prev_pms),
+        "active_employees": sum(1 for p in prev_pms if p.days_with_data > 0),
+        "msg_total": sum(p.msg_sent + p.msg_recv for p in prev_pms),
+        "cust_threads": sum(p.cust_threads for p in prev_pms),
+    }
+    # 前窗无消息(prev=0)不算环比——None 而非 0/负∞
+    prev_msg = prev_kpis["msg_total"]
+    msg_delta = (
+        round((kpis["msg_total"] - prev_msg) / prev_msg, 3)
+        if prev_msg > 0 else None
+    )
+
     # ---- 维度分布(全员 score_employee 的维度状态计数) ----
     dim_summary: dict[str, dict] = {}
     for a in assembled.values():
@@ -207,7 +227,13 @@ async def management_dashboard(
         )
 
     # ---- 异常汇总:critical 先、warning 后,同 severity 按 affected desc ----
-    anomalies = [a for data in assembled.values() for a in data["anomalies"]]
+    # dashboard 卡片 enrich employee_name(staff 名,assemble 已在手)供前端
+    # 跳员工详情;员工详情端点的 anomalies 不带(自指无意义)
+    anomalies = [
+        {**a, "employee_name": data["name"]}
+        for data in assembled.values()
+        for a in data["anomalies"]
+    ]
     sev_rank = {"critical": 0, "warning": 1}
     anomalies.sort(key=lambda a: (
         sev_rank.get(a["severity"], 9),
@@ -222,6 +248,8 @@ async def management_dashboard(
         "metric_version": METRIC_VERSION,
         "config_source": config_source,
         "kpis": kpis,
+        "prev_kpis": prev_kpis,
+        "msg_delta": msg_delta,
         "communication_trend": comm_trend,
         "service_trend": service_trend,
         "lifecycle": lifecycle,