Redesign linking book interface

docs/PORTING.md

@@ -84,6 +84,11 @@ Version 0.1.5 ensures the book interaction listener opens screens only for the
 logical-client event. This avoids calling the render system from the integrated
 server thread when a book is used in singleplayer.
 
+Version 0.1.6 gives the Linking Book screen an open-book layout inspired by the
+legacy interface. The destination preview occupies the left page, the book name
+and destination details occupy the right page, and the preview itself is the
+link action; the separate Link and Done buttons have been removed.
+
 The preview code is separated behind a renderer interface and uses an isolated
 Ponder level. The first iteration supplies the animated loading boundary; the
 next iteration will add server-authoritative snapshot transport and populate