fix(cli): ignore generated folders in subfolders

- Match directory ignore patterns against every path segment.
- Prevent nested .comments folders from uploading XML sidecar files.
- Bump the standalone CLI to 0.4.2 for the ignore fix.

tests/test_nanoshare_cli.py

@@ -213,6 +213,8 @@ def test_sync_ignores_local_files_from_nanoshareignore(tmp_path, monkeypatch):
   (tmp_path / 'scratch.tmp').write_text('ignored')
   (tmp_path / '.comments').mkdir()
   (tmp_path / '.comments' / 'ignored.xml').write_text('<comment />')
+  (tmp_path / 'Cerberus' / '.comments').mkdir(parents=True)
+  (tmp_path / 'Cerberus' / '.comments' / '76. Two-headeds.PNG.xml').write_text('<comment />')
   (tmp_path / '.env').write_text('SECRET=ignored')
   (tmp_path / '.venv').mkdir()
   (tmp_path / '.venv' / 'ignored.py').write_text('ignored')
@@ -261,6 +263,7 @@ def test_default_ignore_patterns_skip_common_generated_files(tmp_path):
   patterns = load_ignore_patterns(tmp_path)
 
   assert is_ignored('.comments/comment.xml', patterns)
+  assert is_ignored('Cerberus/.comments/76. Two-headeds.PNG.xml', patterns)
   assert is_ignored('.env', patterns)
   assert is_ignored('.env.local', patterns)
   assert is_ignored('.venv/bin/python', patterns)