refactor: cleanup debug logs and add explicit exit in error handling flow

- Remove redundant `error_log` statements in `RouterSetup`
- Comment out unused route analysis and subdomain checks
- Add `exit()` after error rendering in `ErrorKernel`

src/Framework/ExceptionHandling/ErrorKernel.php

@@ -21,6 +21,8 @@ final readonly class ErrorKernel
 
         $this->rendererFactory->getRenderer()->render();
 
+        exit();
+
         return null;
     }
 }

src/Framework/Router/RouterSetup.php

@@ -34,45 +34,28 @@ final readonly class RouterSetup
     #[Initializer(ContextType::WEB)]
     public function __invoke(): Router
     {
-        #$routeCache = new RouteCache($this->pathProvider->getCachePath('routes.cache.php'));
-
         $routeCount = $this->results->attributes->getCount(Route::class);
-        error_log("🚦 ROUTER SETUP: Route count from discovery = {$routeCount}");
 
         if ($routeCount > 0) {
             $discoveredRoutes = $this->results->attributes->get(Route::class);
 
             // Direct DiscoveredAttribute API
-            error_log("🚦 ROUTER SETUP: About to compile routes");
             try {
                 $optimizedRoutes = $this->routeCompiler->compileOptimized(...$discoveredRoutes);
-                error_log("🚦 ROUTER SETUP: Routes compiled successfully");
             } catch (\Throwable $e) {
-                error_log("🚦 ROUTER SETUP: ERROR compiling routes: " . $e->getMessage());
-                error_log("🚦 ROUTER SETUP: Exception trace: " . $e->getTraceAsString());
                 throw $e;
             }
 
-            // DEBUG: Log available static routes structure
-            error_log("🚦 ROUTER SETUP: About to analyze route structure");
-            $staticRoutes = $optimizedRoutes->getStaticRoutes();
-            error_log("🚦 ROUTER SETUP: HTTP Methods count = " . count($staticRoutes));
-
-            // Check GET method subdomain keys
+            /*// Check GET method subdomain keys
             $getSubdomainKeys = $optimizedRoutes->getSubdomainKeys(Method::GET);
-            error_log("🚦 ROUTER SETUP: GET method has subdomain keys: " . json_encode($getSubdomainKeys));
 
             // Log routes per subdomain for GET
             foreach ($getSubdomainKeys as $subdomainKey) {
                 $routes = $optimizedRoutes->getStaticRoutesForSubdomain(Method::GET, $subdomainKey);
-                error_log("🚦 ROUTER SETUP: GET subdomain '{$subdomainKey}' has " . count($routes) . " routes");
                 foreach ($routes as $path => $route) {
                     error_log("🚦 ROUTER SETUP:   - {$path}");
                 }
-            }
-
-            // Cache speichern
-            #$routeCache->save($optimizedRoutes);
+            }*/
 
         } else {
             $optimizedRoutes = $this->routeCompiler->compileOptimized();