Test 4: Validating expected file content...
Expected 10 files
Found 13 unique normalized files in JSON
✓ All required files are present

ERROR: Unexpected extra files found:
  - .ruff_cache/.gitignore
  - .ruff_cache/0.12.5/1020214443359531167
  - .ruff_cache/CACHEDIR.TAG

Total unexpected: 3

Note: The JSON should contain exactly the files listed in the input directory