fix: resolve RedisCache array offset error and improve discovery diagnostics

- Fix RedisCache driver to handle MGET failures gracefully with fallback
- Add comprehensive discovery context comparison debug tools
- Identify root cause: WEB context discovery missing 166 items vs CLI
- WEB context missing RequestFactory class entirely (52 vs 69 commands)
- Improved exception handling with detailed binding diagnostics

src/Framework/Webhook/Processing/WebhookRequestHandler.php

@@ -7,8 +7,9 @@ namespace App\Framework\Webhook\Processing;
 use App\Framework\Core\Events\EventDispatcher;
 use App\Framework\Http\HttpRequest;
 use App\Framework\Http\HttpResponse;
-use App\Framework\Http\JsonResult;
+use App\Framework\Http\Status;
 use App\Framework\Logging\Logger;
+use App\Framework\Router\Result\JsonResult;
 use App\Framework\Webhook\Events\WebhookFailed;
 use App\Framework\Webhook\Events\WebhookReceived;
 use App\Framework\Webhook\Security\SignatureVerifier;
@@ -198,6 +199,6 @@ final readonly class WebhookRequestHandler
             'message' => $message,
             'request_id' => $requestId,
             'timestamp' => date('c'),
-        ], $statusCode);
+        ], Status::from($statusCode));
     }
 }