feat: update

lib/generators/retrofit_api_generator.dart

@@ -273,17 +273,26 @@ class RetrofitApiGenerator extends BaseGenerator {
     buffer.writeln('  Future<$returnType> $methodName(');
 
     if (parameters.isNotEmpty) {
+      // 所有参数都使用命名参数，提高代码可读性
+      buffer.writeln('    {');
+
       for (int i = 0; i < parameters.length; i++) {
         final param = parameters[i];
         final isLast = i == parameters.length - 1;
 
+        // 必需参数添加 required 关键字
+        final requiredKeyword = param.required ? 'required ' : '';
+
         if (param.annotation.isNotEmpty) {
           buffer.writeln(
-              '    ${param.annotation} ${param.type} ${param.name}${isLast ? '' : ','}');
+              '      ${requiredKeyword}${param.annotation} ${param.type} ${param.name}${isLast ? '' : ','}');
         } else {
-          buffer.writeln('    ${param.type} ${param.name}${isLast ? '' : ','}');
+          buffer.writeln(
+              '      ${requiredKeyword}${param.type} ${param.name}${isLast ? '' : ','}');
         }
       }
+
+      buffer.writeln('    }');
     }
 
     buffer.writeln('  );');