v0.5.0

What's New

Added

• JSDoc documentation across entire codebase
• Per-file undo/redo stacks (history preserved when switching files)
• Keyboard navigation in confirm dialog (Tab to switch buttons, Enter to activate)
• normalizeMarkdown() utility to convert LLM-generated en/em-dashes to list markers

Changed

• Confirm dialog buttons now show custom labels ("Discard"/"Stay" instead of "OK"/"Cancel")
• Confirm button focused by default with visible focus outline

Fixed

• LLM-generated lists with en-dash (–) or em-dash (—) now render correctly
• Prompt to save unsaved changes when switching files or creating new file
• Remove draft from sidebar when discarding unsaved changes
• Sync textarea content when switching files while in edit mode
• No false "unsaved changes" dialog after saving draft to file
• Refocus editor when clicking "Stay" in confirm dialog
• Line numbers performance: only update on Enter/Backspace/Delete, not every keystroke