feat(shop-role): 实现店铺角色继承功能和权限检查优化

- 新增店铺角色管理 API 和数据模型
- 实现角色继承和权限检查逻辑
- 添加流程测试框架和集成测试
- 更新权限服务和账号管理逻辑
- 添加数据库迁移脚本
- 归档 OpenSpec 变更文档

Ultraworked with Sisyphus

internal/service/account/service.go

@@ -22,6 +22,7 @@ type Service struct {
 	accountStore     *postgres.AccountStore
 	roleStore        *postgres.RoleStore
 	accountRoleStore *postgres.AccountRoleStore
+	shopRoleStore    *postgres.ShopRoleStore
 	shopStore        middleware.ShopStoreInterface
 	enterpriseStore  middleware.EnterpriseStoreInterface
 	auditService     AuditServiceInterface
@@ -36,6 +37,7 @@ func New(
 	accountStore *postgres.AccountStore,
 	roleStore *postgres.RoleStore,
 	accountRoleStore *postgres.AccountRoleStore,
+	shopRoleStore *postgres.ShopRoleStore,
 	shopStore middleware.ShopStoreInterface,
 	enterpriseStore middleware.EnterpriseStoreInterface,
 	auditService AuditServiceInterface,
@@ -44,6 +46,7 @@ func New(
 		accountStore:     accountStore,
 		roleStore:        roleStore,
 		accountRoleStore: accountRoleStore,
+		shopRoleStore:    shopRoleStore,
 		shopStore:        shopStore,
 		enterpriseStore:  enterpriseStore,
 		auditService:     auditService,