fix: handle parameter-level schema definition override in buildParameterSchema

Author: judus

src/Utils/SchemaGenerator.php

@@ -183,6 +183,10 @@ private function buildParameterSchema(array $paramInfo, ?array $methodLevelParam
         // Parameter-level takes highest precedence
         $parameterLevelSchema = $paramInfo['parameter_schema'];
         if (!empty($parameterLevelSchema)) {
+            if (isset($parameterLevelSchema['definition']) && is_array($parameterLevelSchema['definition'])) {
+                return $parameterLevelSchema['definition'];
+            }
+
             $mergedSchema = $this->mergeSchemas($mergedSchema, $parameterLevelSchema);
         }