system-pri/backend/app/errors.py

import json

from apiflask import APIFlask
from werkzeug.exceptions import HTTPException


def register_error_handlers(app: APIFlask):
    @app.errorhandler(HTTPException)
    def handle_http_exception(e):
        response = e.get_response()
        response.data = json.dumps({"error": e.description})
        response.content_type = "application/json"
        return response