- Document view: Added hamburger menu button and breadcrumb navigation
- Editor view: Added hamburger menu, breadcrumb nav, fixed handleCancel/handleSave
- Editor now navigates to correct parent (project) instead of dashboard
- Mobile menu works on all views (projects, projectView, document, editor)
- Document view back button goes to project (not dashboard)
- Editor cancel/save buttons now go to project or projects list
- Add type=button to Cancel/Save buttons in editor to prevent form submission
- Add href=# and return false to quick-links to prevent default anchor behavior
- StopPropagation was already present in sidebar handlers (verified)
- Document view buttons already had type=button (verified)
These fixes ensure:
- Library/tag clicks don't bubble up and trigger wrong handlers
- Quick-link buttons don't cause unexpected navigation
- Editor buttons don't accidentally submit forms
- Vanilla JS frontend with dark theme
- Dashboard with sidebar (libraries tree, tags), document grid, search
- Document viewer with markdown rendering and metadata panel
- Document editor with split write/preview and formatting toolbar
- Login screen with token authentication
- All styled according to UI/UX specs (dark theme, accent #00d4aa)
- API client for all endpoints
- Responsive design
