fix: make backend local verification safe

package.json

@@ -5,6 +5,9 @@
   "author": "",
   "private": true,
   "license": "UNLICENSED",
+  "engines": {
+    "node": "22.x"
+  },
   "scripts": {
     "build": "prisma generate && nest build",
     "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
@@ -12,7 +15,11 @@
     "start:dev": "NODE_ENV=development nest start --watch",
     "start:debug": "nest start --debug --watch",
     "start:prod": "node dist/src/main.js",
-    "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
+    "lint": "npm run lint:check",
+    "lint:check": "eslint \"{src,apps,libs,test}/**/*.ts\" --max-warnings=0",
+    "lint:fix": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
+    "typecheck:app": "tsc --project tsconfig.typecheck.app.json",
+    "typecheck:test": "tsc --project tsconfig.typecheck.test.json",
     "test": "jest",
     "test:watch": "jest --watch",
     "test:cov": "jest --coverage",