feat: 支持批量上传关卡

types/index.ts

@@ -9,6 +9,7 @@ export interface Level {
   hint1: string | null
   hint2: string | null
   hint3: string | null
+  sortKey: string
   sortOrder: number
   createdAt: Date
   updatedAt: Date
@@ -24,10 +25,8 @@ export interface LevelFormData {
   hint1?: string
   hint2?: string
   hint3?: string
-}
-
-export interface ReorderRequest {
-  orders: { id: string; sortOrder: number }[]
+  /** 1-based 位置；创建时 [1, N+1]，编辑时 [1, N]；不传由后端决定默认行为 */
+  position?: number
 }
 
 export interface User {