Show HN: A cursor like experience to read epubs, starting with a mindmap

I built ProRead to prevent stalling on long passages and to keep the overall context clear.

Features

* Bird’s-eye overview with drill-down to any level

* Interactive maps showing concept links

* Quick switch between chapter summaries and original text

* Contextual AI Q\&A

* Text-to-speech for any book or summary level

* EPUB upload for instant access

Includes nine classics (Wealth of Nations, Crime and Punishment, etc.) and support for your own books.

I arrived at this by piecing together LLM-based workflows for reading until I decided to build a dedicated tool. Feedback welcome.