update

Author: ymc9

packages/language/package.json

@@ -11,6 +11,7 @@
     "type": "module",
     "scripts": {
         "build": "pnpm langium:generate && tsc --noEmit && tsup-node",
+        "watch": "tsup-node --watch",
         "lint": "eslint src --ext ts",
         "langium:generate": "langium generate",
         "langium:generate:production": "langium generate --mode=production",