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/public/user/cancelWithdrawalLogic.go

@@ -0,0 +1,68 @@
+package user
+
+import (
+	"context"
+
+	logicCommon "github.com/perfect-panel/server/internal/logic/common"
+	"github.com/perfect-panel/server/internal/model/log"
+	usermodel "github.com/perfect-panel/server/internal/model/user"
+	"github.com/perfect-panel/server/internal/svc"
+	"github.com/perfect-panel/server/internal/types"
+	"github.com/perfect-panel/server/pkg/constant"
+	"github.com/perfect-panel/server/pkg/logger"
+	"github.com/perfect-panel/server/pkg/xerr"
+	"github.com/pkg/errors"
+	"gorm.io/gorm"
+)
+
+type CancelWithdrawalLogic struct {
+	logger.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+func NewCancelWithdrawalLogic(ctx context.Context, svcCtx *svc.ServiceContext) *CancelWithdrawalLogic {
+	return &CancelWithdrawalLogic{
+		Logger: logger.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *CancelWithdrawalLogic) CancelWithdrawal(req *types.CancelWithdrawalRequest) error {
+	u, ok := l.ctx.Value(constant.CtxKeyUser).(*usermodel.User)
+	if !ok {
+		l.Error("current user is not found in context")
+		return errors.Wrapf(xerr.NewErrCode(xerr.InvalidAccess), "Invalid Access")
+	}
+
+	return l.svcCtx.DB.WithContext(l.ctx).Transaction(func(tx *gorm.DB) error {
+		withdrawal, err := logicCommon.LoadPendingWithdrawalForUpdate(l.ctx, tx, req.WithdrawalId)
+		if err != nil {
+			if err.Error() == "withdrawal status invalid" {
+				return errors.Wrapf(xerr.NewErrCode(xerr.WithdrawalStatusInvalid), "withdrawal %d already processed", req.WithdrawalId)
+			}
+			return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "load withdrawal failed: %v", err)
+		}
+
+		if withdrawal.UserId != u.Id {
+			return errors.Wrapf(xerr.NewErrCode(xerr.WithdrawalCancelForbidden), "cannot cancel other user's withdrawal %d", req.WithdrawalId)
+		}
+
+		if err := tx.Model(&usermodel.Withdrawal{}).
+			Where("id = ? AND status = ?", req.WithdrawalId, constant.WithdrawalStatusPending).
+			Updates(map[string]interface{}{"status": constant.WithdrawalStatusCancelled}).Error; err != nil {
+			return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseUpdateError), "cancel withdrawal failed: %v", err)
+		}
+
+		if err := l.svcCtx.UserModel.UpdateCommission(l.ctx, u.Id, withdrawal.Amount, tx); err != nil {
+			return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseUpdateError), "refund commission failed: %v", err)
+		}
+
+		if err := logicCommon.WriteCommissionLog(tx, u.Id, log.CommissionTypeWithdrawCancel, withdrawal.Amount, ""); err != nil {
+			return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseInsertError), "write commission log failed: %v", err)
+		}
+
+		return nil
+	})
+}