Remove special 400 handling from ResponseUtil

Author: Mohamed Khaled

src/Providers/Http/Util/ResponseUtil.php

@@ -50,13 +50,6 @@ public static function throwIfNotSuccessful(Response $response): void
 
         // 4xx Client Errors
         if ($statusCode >= 400 && $statusCode < 500) {
-            // Special handling for 400 Bad Request
-            if ($statusCode === 400) {
-                $body = (string) $response->getBody();
-                $errorDetail = $body ? substr($body, 0, 200) : 'Invalid request parameters';
-                throw ClientException::fromBadRequestResponse($errorDetail);
-            }
-            // General 4xx client errors
             throw ClientException::fromClientError($response);
         }
 

tests/unit/Providers/Http/Util/ResponseUtilTest.php

@@ -57,11 +57,11 @@ public function testThrowIfNotSuccessfulThrowsClientExceptionFor400BadRequest():
         $response = $this->createMock(Response::class);
         $response->method('isSuccessful')->willReturn(false);
         $response->method('getStatusCode')->willReturn(400);
-        $response->method('getBody')->willReturn('');
+        $response->method('getData')->willReturn([]);
 
         $this->expectException(ClientException::class);
         $this->expectExceptionCode(400);
-        $this->expectExceptionMessage('Bad request (400): Invalid request parameters');
+        $this->expectExceptionMessage('Client error (400): Request was rejected due to client-side issue');
 
         ResponseUtil::throwIfNotSuccessful($response);
     }