Add domain constraint validation

src/xmpp_api/db/__init__.py

@@ -46,7 +46,7 @@ def get_by_token(
             status_code=400,
         )
 
-    obj = session.exec(select(cls).where(cls.token == token)).first()
+    obj = session.exec(select(cls).where(cls.token == token)).first()  # type: ignore
     if obj is None:
         raise HTTPException(
             detail="Unauthorized",