290905e3d9
- Add body field to data model (stored as markdown in file) - Parser recognizes `> ` prefixed lines as body content - Serializer outputs body as indented blockquote lines - Add lightweight WYSIWYG editor (contenteditable, no external deps) - Toolbar: bold, italic, link, H1/H2/H3, lists, code block, table, image - Clipboard export: HTML (for Docs/Word), Markdown, plain text - Editor shows collapsed when empty, expands on click - Include body in text search filter - Dark mode support for editor styles - Update README with feature and file format example