heavily simplify server and app content. unify styling

app/pages/cameras.vue

@@ -1,6 +1,6 @@
 <template>
   <div class="p-6">
-    <h2 class="mb-4 text-xl font-semibold tracking-wide text-kestrel-text [text-shadow:0_0_8px_rgba(34,201,201,0.25)]">
+    <h2 class="kestrel-page-heading mb-4">
       Cameras
     </h2>
     <p class="mb-4 text-sm text-kestrel-muted">
@@ -80,6 +80,8 @@
 <script setup>
 definePageMeta({ layout: 'default' })
 
-const { cameras } = useCameras()
+const { cameras, liveSessions } = useCameras()
 const selectedCamera = ref(null)
+
+useAutoCloseLiveSession(selectedCamera, liveSessions)
 </script>