Reading list with highlights

Build a personal reading list app.

Core features:
1. Save articles/books with cover, source, status (to read / reading / done)
2. Web clipper extension to save from any page
3. Highlights + notes per item
4. Weekly "what I read" summary
5. Public profile (optional) to share reading list

Data: items, highlights, notes, sources.
Must-haves: full-text search, dark mode, export to markdown.