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/common/withdrawal.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/perfect-panel/server/internal/model/log"
 	usermodel "github.com/perfect-panel/server/internal/model/user"
+	"github.com/perfect-panel/server/pkg/constant"
 	"github.com/pkg/errors"
 	"gorm.io/gorm"
 	"gorm.io/gorm/clause"
@@ -41,7 +42,7 @@ func LoadPendingWithdrawalForUpdate(ctx context.Context, tx *gorm.DB, withdrawal
 		First(&withdrawal).Error; err != nil {
 		return nil, err
 	}
-	if withdrawal.Status != 0 {
+	if withdrawal.Status != constant.WithdrawalStatusPending {
 		return nil, errors.New("withdrawal status invalid")
 	}
 	return &withdrawal, nil