fix: prevent "command not found" error for husky

Check for husky existence before running prepare script.

package.json

@@ -20,7 +20,7 @@
     "typescript-eslint": "^8.46.3"
   },
   "scripts": {
-    "prepare": "husky || true",
+    "prepare": "node -e \"try { require.resolve('husky') } catch(e) { process.exit(0) }; require('child_process').execSync('husky', {stdio: 'inherit'})\"",
     "dev": "turbo run dev",
     "build": "turbo run build",
     "test": "turbo run test",