does not work

package.json

@@ -5,20 +5,27 @@
   "main": "src/server.js",
   "scripts": {
     "start": "node src/server.js",
-    "dev": "nodemon src/server.js"
+    "dev": "nodemon src/server.js",
+    "lint": "eslint src/ public/",
+    "lint:fix": "eslint src/ public/ --fix",
+    "validate": "npm run lint && node -c src/server.js && echo '✅ All checks passed!'",
+    "pretest": "npm run validate"
   },
+  "packageManager": "yarn@1.22.19",
   "dependencies": {
+    "axios": "^1.6.2",
     "express": "^4.18.2",
-    "sqlite3": "^5.1.6",
-    "node-telegram-bot-api": "^0.64.0",
-    "ytdl-core": "^4.11.5",
     "fluent-ffmpeg": "^2.1.2",
-    "axios": "^1.6.2"
+    "node-fetch": "^3.3.2",
+    "node-telegram-bot-api": "^0.64.0",
+    "soundcloud-downloader": "^1.0.0",
+    "sqlite3": "^5.1.6"
   },
   "devDependencies": {
+    "eslint": "^9.34.0",
     "nodemon": "^3.0.2"
   },
   "engines": {
     "node": ">=16.0.0"
   }
-}
+}