Add ADS-B, AIS, and ALPR map layers with live CoT streaming.

Ingest aircraft and vessel tracks via OSINT feeds and tactical CoT, expose viewport-filtered SSE to the map, and add an OSM ALPR layer with tiled caching and performant marker sync.

app/composables/useUser.js

@@ -2,12 +2,13 @@ const EDIT_ROLES = Object.freeze(['admin', 'leader'])
 
 export function useUser() {
   const requestFetch = useRequestFetch()
-  const { data: user, refresh } = useAsyncData(
+  const { data: user, refresh, status } = useAsyncData(
     'user',
     () => (requestFetch ?? $fetch)('/api/me').catch(() => null),
     { default: () => null },
   )
+  const authPending = computed(() => status.value === 'pending')
   const canEditPois = computed(() => EDIT_ROLES.includes(user.value?.role))
   const isAdmin = computed(() => user.value?.role === 'admin')
-  return Object.freeze({ user, canEditPois, isAdmin, refresh })
+  return Object.freeze({ user, authPending, canEditPois, isAdmin, refresh })
 }