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