Card: cite book v25 (paper v6.2, Nov 9, 2026); FLOW-R wording

README.md

@@ -340,10 +340,10 @@ own `sys.path` lines resolve unchanged.
   publisher = {Zenodo},
   doi       = {10.5281/zenodo.19712427},
   url       = {https://doi.org/10.5281/zenodo.19712427},
-  note      = {Version v22 (Oct 5, 2026).
-               Companion code repository (DOI 10.5281/zenodo.23152203):
+  note      = {Version v25 (Nov 9, 2026).
+               Companion code repository (DOI 10.5281/zenodo.24066016):
                \url{https://github.com/dimitarpg13/semsimula-paper}}
 }
 ```
 
-*Card generated from `_ladder/ladder.json` on 2026-10-26.*
+*Card generated from `_ladder/ladder.json` on 2026-11-08.*