Modernize: remove unused deps, replace qirolab/laravel-themer with custom ThemeService, drop doctrine/dbal

- Remove whichbrowser/parser, mockery/mockery, fruitcake/laravel-debugbar,
  itsgoingd/clockwork (all unused)
- Replace qirolab/laravel-themer (dev-master) with custom App\Services\ThemeService
  and App\Providers\ThemeServiceProvider
- Drop doctrine/dbal: rewrite all ->change() calls in 8 migrations to raw
  DB::statement('ALTER TABLE ... MODIFY ...') SQL
- RenameColumn() kept intact (works without dbal in Laravel 13)
- Fix 2026_04_04 migration: inverted column-exists logic corrected
- Clear bootstrap cache to remove stale references to removed packages

app/Http/Middleware/SetThemeMiddleware.php

@@ -2,21 +2,25 @@
 
 namespace App\Http\Middleware;
 
+use App\Services\ThemeService;
 use Closure;
 use Illuminate\Http\Request;
-use Qirolab\Theme\Theme;
 use Symfony\Component\HttpFoundation\Response;
 
 class SetThemeMiddleware
 {
+    public function __construct(
+        private readonly ThemeService $themeService,
+    ) {}
+
     public function handle(Request $request, Closure $next): Response
     {
         $theme = setting('theme');
 
         if (empty($theme) || $theme === '1') {
-            Theme::set('atom');
+            $this->themeService->set('atom');
         } else {
-            Theme::set($theme);
+            $this->themeService->set($theme);
         }
 
         return $next($request);