fix: enforce fine-grained rbac permissions on role CRUD endpoints

Add _assertPermission() that checks role_permissions table for
specific permission keys (super_admin bypasses). Wire it into
CreateRole (rbac:roles:create), UpdateRole (rbac:roles:update),
and DeleteRole (rbac:roles:delete). Previously only the coarse
can_manage role check was enforced, making the permission grants
in role_permissions purely cosmetic for these endpoints.

fastapi_modules/fastapi_leaudit/services/impl/rbacAdminServiceImpl.py

@@ -186,6 +186,7 @@ class RbacAdminServiceImpl(IRbacAdminService):
     async def CreateRole(self, CurrentUserId: int, Body: RoleCreateDTO) -> RoleVO:
         """创建角色。"""
         await self._assertManagePermission(CurrentUserId)
+        await self._assertPermission(CurrentUserId, "rbac:roles:create")
         async with GetAsyncSession() as Session:
             row = (
                 await Session.execute(
@@ -211,6 +212,7 @@ class RbacAdminServiceImpl(IRbacAdminService):
     async def UpdateRole(self, CurrentUserId: int, RoleId: int, Body: RoleUpdateDTO) -> RoleVO:
         """更新角色。"""
         await self._assertManagePermission(CurrentUserId)
+        await self._assertPermission(CurrentUserId, "rbac:roles:update")
         async with GetAsyncSession() as Session:
             current = await self._getRoleRow(Session, RoleId)
             row = (
@@ -244,6 +246,7 @@ class RbacAdminServiceImpl(IRbacAdminService):
     async def DeleteRole(self, CurrentUserId: int, RoleId: int, Force: bool) -> None:
         """删除角色。"""
         await self._assertManagePermission(CurrentUserId)
+        await self._assertPermission(CurrentUserId, "rbac:roles:delete")
         async with GetAsyncSession() as Session:
             role = await self._getRoleRow(Session, RoleId)
             if role["is_system_role"]:
@@ -565,6 +568,32 @@ class RbacAdminServiceImpl(IRbacAdminService):
         if not context["can_manage"]:
             raise LeauditException(StatusCodeEnum.HTTP_403_FORBIDDEN, "当前用户没有系统设置管理权限")
 
+    async def _assertPermission(self, CurrentUserId: int, PermissionKey: str) -> None:
+        """校验当前用户是否具备特定细粒度权限。super_admin 自动放行。"""
+        context = await self._getCurrentUserContext(CurrentUserId)
+        if context["is_super_admin"]:
+            return
+        async with GetAsyncSession() as Session:
+            row = (
+                await Session.execute(
+                    text(
+                        """
+                        SELECT 1
+                        FROM role_permissions rp
+                        JOIN permissions p ON p.id = rp.permission_id
+                        JOIN user_role ur ON ur.role_id = rp.role_id
+                        WHERE ur.user_id = :user_id
+                          AND p.permission_key = :permission_key
+                          AND rp.grant_type = 'GRANT'
+                        LIMIT 1
+                        """
+                    ),
+                    {"user_id": CurrentUserId, "permission_key": PermissionKey},
+                )
+            ).first()
+        if not row:
+            raise LeauditException(StatusCodeEnum.HTTP_403_FORBIDDEN, f"缺少权限: {PermissionKey}")
+
     async def _getCurrentUserContext(self, CurrentUserId: int) -> dict[str, Any]:
         """加载当前用户上下文。"""
         async with GetAsyncSession() as Session:
@@ -576,7 +605,8 @@ class RbacAdminServiceImpl(IRbacAdminService):
                             u.id,
                             COALESCE(u.area, '') AS area,
                             COALESCE(bool_or(r.role_key IN ('super_admin', 'provincial_admin')), FALSE) AS is_global,
-                            COALESCE(bool_or(r.role_key IN ('super_admin', 'provincial_admin', 'admin')), FALSE) AS can_manage
+                            COALESCE(bool_or(r.role_key IN ('super_admin', 'provincial_admin', 'admin')), FALSE) AS can_manage,
+                            COALESCE(bool_or(r.role_key = 'super_admin'), FALSE) AS is_super_admin
                         FROM sso_users u
                         LEFT JOIN user_role ur ON ur.user_id = u.id
                         LEFT JOIN roles r ON r.id = ur.role_id
@@ -589,7 +619,7 @@ class RbacAdminServiceImpl(IRbacAdminService):
             ).mappings().first()
         if not row:
             raise LeauditException(StatusCodeEnum.HTTP_404_NOT_FOUND, "当前用户不存在")
-        return {"area": str(row["area"] or ""), "is_global": bool(row["is_global"]), "can_manage": bool(row["can_manage"])}
+        return {"area": str(row["area"] or ""), "is_global": bool(row["is_global"]), "can_manage": bool(row["can_manage"]), "is_super_admin": bool(row["is_super_admin"])}
 
     async def _ensureAdminSeeds(self, Session) -> dict[str, int]:
         """确保系统设置所需路由和权限定义已存在。"""