feat: 提现优化 — 取消状态 + 收款方式 + TableName 修复 (HIF-42)

- P04: 修复 Withdrawal.TableName() 返回正确表名 withdrawals
- P03: 新增提现状态常量 (constant/withdrawal.go)，消除魔法数字 0/1/2/3；
       新增 CommissionTypeWithdrawCancel (338) 和 WithdrawalCancelForbidden 错误码
- P02: 迁移 02123 为 withdrawals 表添加 method/account/qr_code_url 列；
       扩展 Withdrawal GORM 模型和 API 类型（CommissionWithdrawRequest、WithdrawalLog）；
       申请提现时增加收款方式校验逻辑
- P01: 新增用户取消提现接口 POST /v1/public/user/withdrawal_cancel；
       仅可取消自己的待审核提现，退还佣金并写佣金日志
- P05: 管理端提现列表新增 method 过滤参数

Co-authored-by: multica-agent <github@multica.ai>

internal/logic/admin/user/getWithdrawalListLogic.go

@@ -42,6 +42,9 @@ func (l *GetWithdrawalListLogic) GetWithdrawalList(req *types.GetWithdrawalListR
 	if req.Status != nil {
 		query = query.Where("status = ?", *req.Status)
 	}
+	if req.Method != nil {
+		query = query.Where("method = ?", *req.Method)
+	}
 
 	var total int64
 	if err := query.Count(&total).Error; err != nil {
@@ -59,6 +62,9 @@ func (l *GetWithdrawalListLogic) GetWithdrawalList(req *types.GetWithdrawalListR
 			Id:        row.Id,
 			UserId:    row.UserId,
 			Amount:    row.Amount,
+			Method:    row.Method,
+			Account:   row.Account,
+			QrCodeUrl: row.QrCodeUrl,
 			Content:   row.Content,
 			Status:    row.Status,
 			Reason:    row.Reason,