- NoteItem: orange dot before title for uncommitted modified notes
- TabBar: orange dot on tabs with uncommitted changes
- StatusBar: "N pending" counter with CircleDot icon when modified files exist
- useEditorSave: onAfterSave callback to refresh modified files after save
- mock-tauri: track dynamically saved files as modified, clear on commit
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>