feat(system):优化后端

1.新增后端测试
2.增加了后端的加密
3.增加了i18n（国际化）

kilostar/utils/check_user/role_check.py

@@ -12,10 +12,16 @@
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
 from typing import Annotated
-from fastapi import Depends, HTTPException
+from fastapi import Depends, HTTPException, Request
 from kilostar.utils.access import Accessor, TokenData
 from kilostar.core.postgres_database.model import UserAuthority
 from kilostar.utils.ray_hook import ray_actor_hook
+from kilostar.utils.i18n import t
+
+
+def _user_not_found_detail(request: Request | None = None) -> str:
+    loc = request.headers.get("accept-language") if request else None
+    return t("user_not_found", accept_language=loc)
 
 
 async def get_authority(user_id: str) -> UserAuthority:
@@ -29,12 +35,12 @@ async def get_authority(user_id: str) -> UserAuthority:
         )
         return user_authority
     except UserNotExistError:
-        raise HTTPException(status_code=401, detail="用户不存在或已被删除，请重新登录")
+        raise HTTPException(status_code=401, detail=t("user_not_found"))
     except Exception as e:
         # Check if it's a RayTaskError wrapping UserNotExistError
         if "UserNotExistError" in str(e):
             raise HTTPException(
-                status_code=401, detail="用户不存在或已被删除，请重新登录"
+                status_code=401, detail=t("user_not_found")
             )
         raise