Merge pull request #2573 from wucm667/feat/redeem-code-expiry

feat(redeem): 兑换码支持设置使用有效期

frontend/src/types/index.ts

@@ -1293,6 +1293,7 @@ export interface RedeemCode {
   used_by: number | null
   used_at: string | null
   created_at: string
+  expires_at?: string | null
   updated_at?: string
   group_id?: number | null // 订阅类型专用
   validity_days?: number // 订阅类型专用
@@ -1306,6 +1307,8 @@ export interface GenerateRedeemCodesRequest {
   value: number
   group_id?: number | null // 订阅类型专用
   validity_days?: number // 订阅类型专用
+  expires_at?: string | null
+  expires_in_days?: number
 }
 
 export interface RedeemCodeRequest {