feat: 同步报销流程与工作台改动

server/tests/test_system_dashboard_service.py

@@ -147,3 +147,52 @@ def test_system_dashboard_service_aggregates_real_runtime_metrics() -> None:
         assert dashboard.accuracy_comparison["wrong"][
             dashboard.accuracy_comparison["categories"].index("异常诊断")
         ] == 1
+
+
+def test_system_dashboard_counts_online_users_from_active_sessions_across_window() -> None:
+    now = datetime.now(UTC)
+
+    with build_session() as db:
+        db.add_all(
+            [
+                UserSessionMetric(
+                    session_id="session-online-old-001",
+                    username="active.user@example.com",
+                    display_name="在线用户",
+                    email="active.user@example.com",
+                    login_at=now - timedelta(days=2),
+                    last_activity_at=now - timedelta(days=2),
+                    activity_event_count=3,
+                    status="active",
+                ),
+                UserSessionMetric(
+                    session_id="session-online-old-002",
+                    username="active.user@example.com",
+                    display_name="在线用户",
+                    email="active.user@example.com",
+                    login_at=now - timedelta(minutes=15),
+                    last_activity_at=now - timedelta(minutes=15),
+                    activity_event_count=5,
+                    status="active",
+                ),
+                UserSessionMetric(
+                    session_id="session-closed-outside-window",
+                    username="offline.user@example.com",
+                    display_name="离线用户",
+                    email="offline.user@example.com",
+                    login_at=now - timedelta(days=3),
+                    logout_at=now - timedelta(days=2, hours=23),
+                    duration_ms=60 * 60 * 1000,
+                    status="closed",
+                ),
+            ]
+        )
+        db.commit()
+
+        dashboard = SystemDashboardService(db).build_dashboard(days=1)
+        login_users = dashboard.login_wave["loginUsers"]
+
+        assert dashboard.totals["onlineUsers"] == 1
+        assert max(login_users) == 1
+        assert "00:00" in dashboard.login_wave["labels"]
+        assert "23:00" in dashboard.login_wave["labels"]