chore(api): typing improvements

src/backend/api/v1/users/endpoints.py

@@ -1,4 +1,5 @@
 from http import HTTPStatus
+from uuid import UUID
 
 from django.core.exceptions import ValidationError
 from django.http import HttpRequest
@@ -81,7 +82,7 @@ def create_user(
 @require_admin
 def get_user(
     request: HttpRequest,
-    user_id: str,
+    user_id: UUID,
 ) -> tuple[HTTPStatus, UserOut]:
     user = get_object_or_404(User, pk=user_id)
     return HTTPStatus.OK, UserOut.model_validate(user)
@@ -100,7 +101,7 @@ def get_user(
 @require_admin
 def update_user(
     request: HttpRequest,
-    user_id: str,
+    user_id: UUID,
     payload: UserUpdateIn,
 ) -> tuple[HTTPStatus, UserOut]:
     user = get_object_or_404(User, pk=user_id)
@@ -119,7 +120,7 @@ def update_user(
 @require_admin
 def delete_user(
     request: HttpRequest,
-    user_id: str,
+    user_id: UUID,
 ) -> tuple[HTTPStatus, None]:
     user = get_object_or_404(User, pk=user_id)
 
@@ -144,7 +145,7 @@ def delete_user(
 @require_admin
 def assign_role(
     request: HttpRequest,
-    user_id: str,
+    user_id: UUID,
     payload: UserRoleAssignIn,
 ) -> tuple[HTTPStatus, UserOut]:
     user = get_object_or_404(User, pk=user_id)