hius07

For this book you can try to replace `custom_metadata.lua` with the attached one. [custom_metadata.lua.txt](https://github.com/user-attachments/files/17042694/custom_metadata.lua.txt) Do you see the old stats?

If you encounter a book with broken statistics, add custom author and title without editing them (keep original), close the book, and then manually edit custom_metadata.lua adding "\0" to the...

@poire-z can say is it possible to remove trailing null from all author and title fields in the stats db.

Or maybe we should code it: find book_id for authors/title with and without trailing null, for compatibility. Otherwise the statistics is broken for old pdfs. (Null terminators PR https://github.com/koreader/koreader-base/pull/1921)

https://specs.opds.io/opds-1.2.html#522-artwork-relations

As a first step it would be "Book cover" button in the download popup dialog.

> still marked as unread (boldface) I guess you are using Classic display mode. In Classic mode you can sort by percent finished, it will show the percentage instead of...

For Classic and List mode it can be an empty star in the mandatory. Grid mode requires more design thinking.    

In Grid text cover the star can be appended at the beginning of an author, a title, or a filename. (I added the folder to folder shortcuts for comparison) ...

To remain in consistency with our corner mark it can be: