refactor(account): 统一账号管理API、完善权限检查和操作审计

- 合并 customer_account 和 shop_account 路由到统一的 account 接口
- 新增统一认证接口 (auth handler)
- 实现越权防护中间件和权限检查工具函数
- 新增操作审计日志模型和服务
- 更新数据库迁移 (版本 39: account_operation_log 表)
- 补充集成测试覆盖权限检查和审计日志场景

pkg/openapi/handlers.go

@@ -4,6 +4,7 @@ import (
 	"github.com/break/junhong_cmp_fiber/internal/bootstrap"
 	"github.com/break/junhong_cmp_fiber/internal/handler/admin"
 	"github.com/break/junhong_cmp_fiber/internal/handler/app"
+	authHandler "github.com/break/junhong_cmp_fiber/internal/handler/auth"
 	"github.com/break/junhong_cmp_fiber/internal/handler/callback"
 	"github.com/break/junhong_cmp_fiber/internal/handler/h5"
 )
@@ -11,14 +12,12 @@ import (
 // BuildDocHandlers 构造文档生成用的 handlers（所有依赖传 nil）
 func BuildDocHandlers() *bootstrap.Handlers {
 	return &bootstrap.Handlers{
-		AdminAuth:                   admin.NewAuthHandler(nil, nil),
-		H5Auth:                      h5.NewAuthHandler(nil, nil),
+		Auth:                        authHandler.NewHandler(nil, nil),
 		Account:                     admin.NewAccountHandler(nil),
 		Role:                        admin.NewRoleHandler(nil, nil),
 		Permission:                  admin.NewPermissionHandler(nil),
 		PersonalCustomer:            app.NewPersonalCustomerHandler(nil, nil),
 		Shop:                        admin.NewShopHandler(nil),
-		ShopAccount:                 admin.NewShopAccountHandler(nil),
 		ShopCommission:              admin.NewShopCommissionHandler(nil),
 		CommissionWithdrawal:        admin.NewCommissionWithdrawalHandler(nil),
 		CommissionWithdrawalSetting: admin.NewCommissionWithdrawalSettingHandler(nil),
@@ -27,7 +26,6 @@ func BuildDocHandlers() *bootstrap.Handlers {
 		EnterpriseDevice:            admin.NewEnterpriseDeviceHandler(nil),
 		EnterpriseDeviceH5:          h5.NewEnterpriseDeviceHandler(nil),
 		Authorization:               admin.NewAuthorizationHandler(nil),
-		CustomerAccount:             admin.NewCustomerAccountHandler(nil),
 		MyCommission:                admin.NewMyCommissionHandler(nil),
 		IotCard:                     admin.NewIotCardHandler(nil),
 		IotCardImport:               admin.NewIotCardImportHandler(nil),