toggle viewing notes in code

**goal**:
toggle visibility of comments in code
**use case:**
trying to debug code with lots of comments, user toggles comments to see ONLY code, then toggles comments to see logic and vice versa

thank you
Dennis

No files, tests, or entry points are identified in the issue. Start by locating the code-editor view and the path that renders comments, then determine how a visibility toggle should affect that view. Done means users can switch between code-only and code-with-comments views while debugging.

Written by the indexing model from the issue text.