Fix import for constant

Author: IanCal

packages/ai-bot/lib/matrix.ts

@@ -3,7 +3,7 @@ import { logger } from '@cardstack/runtime-common';
 import { OpenAIError } from 'openai/error';
 import * as Sentry from '@sentry/node';
 import { FunctionToolCall } from '@cardstack/runtime-common/helpers/ai';
-import { APP_BOXEL_COMMAND_MSGTYPE } from '../helpers';
+import { APP_BOXEL_COMMAND_MSGTYPE } from '@cardstack/runtime-common/matrix-constants';
 
 let log = logger('ai-bot');