May 16

1. 21:58

   fix: merge adjacent <B> headings with <I> footnote refs, fix marker normalization exclusion list⁠

   dhammawatthumpra
   6b67cae
2. 08:23

   feat: normalize reference extraction and popup UI

   dhammawatthumpra
   165565d
3. 07:25

   feat: enhance footnote extraction and display at bottom of page

   dhammawatthumpra
   23b4d13
4. 07:19

   feat: implement Reference Lookup API and ReferencePopup integration

   dhammawatthumpra
   b1f23a6
5. 07:07

   feat: migrate jina v5, refine AI popup, add reference popup UI

   dhammawatthumpra
   d2c65ec