refactor: Framework code cleanup and improvements

- DI dependency graph improvements
- Database connection updates
- HTTP middleware chain optimizations
- Routing middleware cleanup

src/Framework/Http/HttpMiddlewareChain.php

@@ -30,21 +30,20 @@ final readonly class HttpMiddlewareChain implements HttpMiddlewareChainInterface
 
         $this->stateManager = new MiddlewareStateManager()->forRequest($request);
 
-        // Start der Middleware-Chain loggen
-        error_log("🚀 MIDDLEWARE CHAIN START - URI: {$request->path}, Method: {$request->method->value}, Middleware-Count: " . count($this->middlewares));
-
         // Middleware-Stack durchlaufen
         $resultContext = $this->doProcessMiddlewareStack($context, 0);
 
-        // Ende der Middleware-Chain loggen
+        // Ende der Middleware-Chain
         if ($resultContext->hasResponse()) {
-            error_log("✅ MIDDLEWARE CHAIN COMPLETE - Final Response Status: {$resultContext->response?->status->value}");
-
             return $resultContext->response;
         }
 
         // Wenn keine Response vorhanden ist, ist das ein Fehler in der Middleware-Konfiguration
-        error_log("❌ MIDDLEWARE CHAIN FAILED - No response created after processing all middlewares");
+        $this->logger->error('No response created after processing all middlewares', LogContext::withData([
+            'uri' => $request->path,
+            'method' => $request->method->value,
+            'middleware_count' => count($this->middlewares),
+        ]));
 
         throw new \RuntimeException(sprintf(
             'Keine Response nach Middleware-Chain erstellt. Stellen Sie sicher, dass eine DefaultResponseMiddleware konfiguriert ist. URI: %s, Method: %s, Middleware-Count: %d',
@@ -66,12 +65,6 @@ final readonly class HttpMiddlewareChain implements HttpMiddlewareChainInterface
         $middleware = $this->middlewares[$index];
         $middlewareName = $this->getMiddlewareName($middleware);
 
-        // Start der Middleware loggen
-        error_log("🔄 MIDDLEWARE #{$index} START: {$middlewareName}");
-
-        // Status VOR der Middleware loggen
-        $this->logDebug("VOR Middleware #{$index} ({$middlewareName})", $context, $index);
-
         // Next-Handler erstellen, der zur nächsten Middleware weiterleitet
         $next = new readonly class ($this, $index, $middlewareName) implements Next {
             public function __construct(
@@ -157,38 +150,13 @@ final readonly class HttpMiddlewareChain implements HttpMiddlewareChainInterface
         ?int $responseBeforeStatus,
         ?int $responseAfterStatus
     ): void {
-        // Response wurde erstellt
-        if (! $hadResponseBefore && $hasResponseAfter) {
-            error_log("✅ RESPONSE CREATED by Middleware #{$index} ({$middlewareName}) - Status: {$responseAfterStatus}");
-
-            return;
-        }
-
-        // Response wurde verloren
+        // Response wurde verloren - das ist ein Problem
         if ($hadResponseBefore && ! $hasResponseAfter) {
-            error_log("❌ RESPONSE LOST by Middleware #{$index} ({$middlewareName}) - Previous Status: {$responseBeforeStatus}");
-
-            return;
-        }
-
-        // Response-Status wurde geändert
-        if ($hadResponseBefore && $hasResponseAfter && $responseBeforeStatus !== $responseAfterStatus) {
-            error_log("🔄 RESPONSE MODIFIED by Middleware #{$index} ({$middlewareName}) - Status: {$responseBeforeStatus} → {$responseAfterStatus}");
-
-            return;
-        }
-
-        // Response blieb unverändert (normal)
-        if ($hadResponseBefore && $hasResponseAfter && $responseBeforeStatus === $responseAfterStatus) {
-            error_log("➡️ RESPONSE PASSED THROUGH Middleware #{$index} ({$middlewareName}) - Status: {$responseAfterStatus}");
-
-            return;
-        }
-
-        // Keine Response vor und nach der Middleware (normal für frühe Middlewares)
-        // @phpstan-ignore booleanNot.alwaysTrue
-        if (! $hadResponseBefore && ! $hasResponseAfter) {
-            error_log("⚪ NO RESPONSE before/after Middleware #{$index} ({$middlewareName})");
+            $this->logger->warning('Response lost by middleware', LogContext::withData([
+                'middleware' => $middlewareName,
+                'middleware_index' => $index,
+                'previous_status' => $responseBeforeStatus,
+            ]));
         }
     }
 

src/Framework/Http/Middlewares/RoutingMiddleware.php

@@ -149,11 +149,6 @@ final readonly class RoutingMiddleware implements HttpMiddleware
             );
         }
 
-        error_log("RoutingMiddleware: Setting CONTROLLER_RESULT of type: " . get_class($result));
-        if (method_exists($result, 'template')) {
-            error_log("RoutingMiddleware: Result template: " . $result->template);
-        }
-
         $stateManager->set(StateKey::CONTROLLER_RESULT, $result);
 
         // Nächste Middleware aufrufen