result = {'widgettype': 'Message', 'options': {'title': 'Error', 'message': 'Invalid', 'type': 'error'}}

try:
    dbname = get_module_dbname('product_management')
    record_id = params_kw.get('id')
    if not record_id:
        raise ValueError('Missing id')

    async with DBPools().sqlorContext(dbname) as sor:
        # Cascade delete suppliers
        await sor.sqlExe(
            "DELETE FROM product_resource_supplier WHERE product_resource_id = ${id}$",
            {'id': record_id}
        )
        await sor.D('product_resource', {'id': record_id})

    result = {'widgettype': 'Message', 'options': {'title': 'Success', 'message': '资源绑定已删除（含供应商关联）', 'type': 'success'}}
except Exception as e:
    result['options'] = {'title': 'Error', 'message': '删除失败: ' + str(e), 'type': 'error'}

return json.dumps(result, ensure_ascii=False)