Test 2: Validating JSON syntax...
✓ Valid JSON syntax
✓ JSON successfully parsed by Python
  JSON type: dict
  Keys found: ['files']
SUCCESS: Valid JSON file!
{"files":[".gitignore","Dockerfile","README.md","config/settings.json","docs/guide.md","files.json","list_files.sh","list_files_json.py","main.py","requirements.txt","scripts/build.sh","src/components/App.jsx","tests/unit/test_main.py"]}