style(frontend): 统一 API 模块代码风格

- 移除所有语句末尾分号
- 统一对象属性尾随逗号格式
- 优化类型定义导入顺序
- 提升代码一致性和可读性

frontend/src/api/groups.ts

@@ -3,8 +3,8 @@
  * Handles group-related operations for regular users
  */
 
-import { apiClient } from './client';
-import type { Group } from '@/types';
+import { apiClient } from './client'
+import type { Group } from '@/types'
 
 /**
  * Get available groups that the current user can bind to API keys
@@ -14,12 +14,12 @@ import type { Group } from '@/types';
  * @returns List of available groups
  */
 export async function getAvailable(): Promise<Group[]> {
-  const { data } = await apiClient.get<Group[]>('/groups/available');
-  return data;
+  const { data } = await apiClient.get<Group[]>('/groups/available')
+  return data
 }
 
 export const userGroupsAPI = {
-  getAvailable,
-};
+  getAvailable
+}
 
-export default userGroupsAPI;
+export default userGroupsAPI