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",".ruff_cache/.gitignore",".ruff_cache/0.12.5/1020214443359531167",".ruff_cache/CACHEDIR.TAG","Dockerfile","README.md","config/settings.json","docs/guide.md","list_files.py","main.py","requirements.txt","scripts/build.sh","src/components/App.jsx","tests/unit/test_main.py"]}