feat(events): mark subscriptions active on event receipt

When /api/kiosk/event receives an ONVIF event, call
markEventReceived(camera_id, topic) to flip subscription
status from pending → active (orange → green in admin UI).
Also added event_source/event_sink fields to subscription mapper.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

server/src/plugins/service-api-http/index.ts

@@ -709,6 +709,11 @@ function registerKioskRoutes(
       }
     }
 
+    // Mark event subscription as active (turns orange → green in admin UI)
+    if (body.camera_id != null && body.topic) {
+      repo.markEventReceived(body.camera_id, body.topic).catch(() => {});
+    }
+
     // Best-effort forward to Node-RED. Topics that have a dedicated trigger
     // node (bf-trigger-layout-changed etc.) expect a FLAT payload matching
     // what the admin-side emit produces — splat body.payload up to the top

server/src/shared/db/mappers.ts

@@ -482,6 +482,8 @@ export function rowToCameraEventSubscription(r: Row): CameraEventSubscription {
     topic: s(r["topic"]),
     status: s(r["status"]) as EventSubscriptionStatus,
     subscribed_by_kiosk_id: nn(r["subscribed_by_kiosk_id"]),
+    event_source: sn(r["event_source"]),
+    event_sink: sn(r["event_sink"]),
     last_event_at: sn(r["last_event_at"]),
     error_message: sn(r["error_message"]),
     created_at: s(r["created_at"]),