feat(web): rebuild fleet page with Hub-style identity guard and context actions

- Surface device identity state, carrier details and upstream link health.

- Add fleet-level identity monitoring and restart/baseband context actions.

- Apply consistent notification scoping across fleet views.

apps/web/src/fleet/notification-center-api.ts

@@ -153,11 +153,13 @@ export function createNotificationCenterApiDataSource(
           ...(draft.condition.mode === 'all' ? {} : { value: draft.condition.value }),
         },
         scope:
-          draft.scope.mode === 'tags'
-            ? { mode: 'tags', tags: [...draft.scope.tags], match: draft.scope.match }
-            : draft.scope.mode === 'devices'
-              ? { mode: 'devices', instanceIds: [...draft.scope.instanceIds] }
-              : { mode: 'all' },
+          draft.scope.mode === 'groups'
+            ? { mode: 'groups', groups: [...draft.scope.groups] }
+            : draft.scope.mode === 'tags'
+              ? { mode: 'tags', tags: [...draft.scope.tags], match: draft.scope.match }
+              : draft.scope.mode === 'devices'
+                ? { mode: 'devices', instanceIds: [...draft.scope.instanceIds] }
+                : { mode: 'all' },
         channelIds: [...draft.channelIds],
         templates: { title: draft.templates.title, body: draft.templates.body },
         ...(draft.rateLimit === undefined ? {} : { rateLimit: draft.rateLimit }),