Improve live recordings UI, upload flow, and default Flux theme.

Refresh list status over Reverb with polling fallback, clarify queued vs processing, streamline upload empty states, and seed an admin login.

database/seeders/DatabaseSeeder.php

@@ -29,6 +29,15 @@ class DatabaseSeeder extends Seeder
             ],
         );
 
+        User::query()->updateOrCreate(
+            ['email' => 'admin@example.com'],
+            [
+                'name' => 'Admin',
+                'password' => 'password',
+                'email_verified_at' => now(),
+            ],
+        );
+
         Recording::query()
             ->whereNull('user_id')
             ->update(['user_id' => $user->id]);