chore: 更新国际化翻译及 UI 组件优化

backend/src/v1/auth/gateway.py

@@ -17,6 +17,7 @@ from v1.auth.schemas import (
     PhoneSessionCreateRequest,
     SessionRefreshRequest,
     SessionResponse,
+    UserByIdResponse,
     UserByPhoneResponse,
 )
 from v1.auth.service import AuthServiceGateway
@@ -205,6 +206,41 @@ class SupabaseAuthGateway(AuthServiceGateway):
             ),
         )
 
+    async def get_user_by_id(self, user_id: str) -> UserByIdResponse:
+        try:
+            admin_client = self._get_admin_client()
+            user = await asyncio.to_thread(admin_client.auth.get_user_by_id, user_id)
+            if user is None:
+                raise _auth_error(
+                    status_code=404,
+                    code="AUTH_USER_NOT_FOUND",
+                    detail="User not found",
+                )
+            user_attrs = getattr(user, "user", user)
+            return UserByIdResponse(
+                id=str(getattr(user_attrs, "id", "")),
+                phone=getattr(user_attrs, "phone", None),
+                created_at=str(getattr(user_attrs, "created_at", "")),
+                phone_confirmed_at=(
+                    str(getattr(user_attrs, "phone_confirmed_at", ""))
+                    if getattr(user_attrs, "phone_confirmed_at", None)
+                    else None
+                ),
+            )
+        except AuthError as exc:
+            logger.warning("Get user by id failed", error_type=type(exc).__name__)
+            if _is_auth_upstream_unavailable(exc):
+                raise _auth_error(
+                    status_code=503,
+                    code="AUTH_SERVICE_UNAVAILABLE",
+                    detail=AUTH_UNAVAILABLE_DETAIL,
+                ) from exc
+            raise _auth_error(
+                status_code=404,
+                code="AUTH_USER_NOT_FOUND",
+                detail="User not found",
+            ) from exc
+
     async def search_user_ids_by_phone(self, query: str, limit: int = 20) -> list[str]:
         normalized_query = _normalize_phone_search_query(query)
         if not normalized_query:

backend/src/v1/auth/schemas.py

@@ -49,6 +49,13 @@ class UserByPhoneResponse(BaseModel):
     phone_confirmed_at: str | None = None
 
 
+class UserByIdResponse(BaseModel):
+    id: str
+    phone: str | None = None
+    created_at: str
+    phone_confirmed_at: str | None = None
+
+
 class OtpSendResponse(BaseModel):
     phone: str = Field(pattern=SUPABASE_PHONE_PATTERN)