Type check

Author: LC43

src/MCP/Abilities/AbilityRuntime.php

@@ -107,6 +107,12 @@ public function execute( ToolInterface $tool, array $args ) {
 				return $error;
 			}
 
+			if ( ! $response instanceof \WP_REST_Response ) {
+				$error = $this->error( 'rest_dispatch_error', 'Invalid REST response.', 500 );
+				$this->record_error( $entry, 'error', $error );
+				return $error;
+			}
+
 			$status = (int) $response->get_status();
 			$data   = $response->get_data();
 			$result = is_array( $data ) ? $data : [ 'result' => $data ];

src/MCP/Audit/WpdbAuditDatabase.php

@@ -81,7 +81,7 @@ public function get_results( string $query, $output = null ) {
 			return $rows;
 		}
 
-		if ( $output !== ARRAY_A ) {
+		if ( ! defined( 'ARRAY_A' ) || $output !== ARRAY_A ) {
 			/** @phpstan-ignore-next-line Return type varies by $output format (OBJECT returns array<stdClass>, etc.) */
 			return $rows;
 		}