refactor: Refactor file headers and add Psalm suppressions

- Added Psalm suppression annotations to multiple controller classes
- Added PHPDoc comment blocks to seeders and factories
- Added comments to indicate unused classes and methods
- Removed unused annotations and imports

app/Providers/HorizonServiceProvider.php

@@ -6,6 +6,9 @@ use Illuminate\Support\Facades\Gate;
 use Laravel\Horizon\Horizon;
 use Laravel\Horizon\HorizonApplicationServiceProvider;
 
+/**
+ * @psalm-suppress UnusedClass
+ */
 class HorizonServiceProvider extends HorizonApplicationServiceProvider
 {
     /**