Localize and streamline dashboard loading

app/api/v1/actuators.py

@@ -306,6 +306,15 @@ def list_configured_summary(request: Request) -> list[ActuatorSummary]:
 
 @router.get("/dashboard", response_model=DashboardOverview)
 def dashboard_overview(request: Request) -> DashboardOverview:
+    return _dashboard_overview(request, include_background=True)
+
+
+@router.get("/dashboard/start", response_model=DashboardOverview)
+def dashboard_start(request: Request) -> DashboardOverview:
+    return _dashboard_overview(request, include_background=False)
+
+
+def _dashboard_overview(request: Request, *, include_background: bool) -> DashboardOverview:
     cache_payload = _load_entity_cache_payload(request)
     raw_entities = cache_payload.get("entities", [])
     if not isinstance(raw_entities, list):
@@ -317,14 +326,14 @@ def dashboard_overview(request: Request) -> DashboardOverview:
         DashboardDiscoveryGroup.model_validate(group)
         for group in raw_groups
         if isinstance(group, dict)
-    ] if isinstance(raw_groups, list) else []
+    ] if include_background and isinstance(raw_groups, list) else []
     reconciliation = _reconciliation_state_or_default(request)
     ws_status = getattr(request.app.state, "ws_status", None)
     actuators = list_configured_summary(request)
     store = getattr(request.app.state, "actuator_store", None)
     jobs = (
         store.load_job_queue()
-        if isinstance(store, ActuatorStore)
+        if include_background and isinstance(store, ActuatorStore)
         else JobQueueState()
     )
     job_p95_duration_ms, slow_job_count, performance_status = _performance_status(jobs)