feat: restore final CHOAM Mentat after Semuta Gamont reactions

docs/SEMUTA_DISCARD_CONTINUATIONS.md

@@ -144,13 +144,14 @@ ordinary declared move is already stopped without spending its allowance.
 Nexus, movement-card/Ambassador and overlapping arrival parents retain their
 automatic paths.
 
-Clean proactive Trip to Gamont stages `choamGamontDiscard` after the accepted
+Clean proactive or final-Mentat Trip to Gamont stages `choamGamontDiscard` after the accepted
 public card cost but before its selected ordinary/elite return or native
 No-Field reveal and capped recall. The receipt binds location, exact counter
 type/marker event, target force/reserve/elite/No-Field custody and CHOAM hand.
 Claim or decline completes the original selection once without replaying the
 response. A zero marker reveals without inventing a force; revival usage stays
-unchanged. Closing Mentat, Nexus and competing parents retain automatic paths.
+unchanged. A final-Mentat marker restores the same CHOAM-owned decision before
+victory or turn advancement; Nexus and competing parents retain automatic paths.
 
 Accepted printed Jubba Cloak stages `choamJubbaDiscard` after
 its public Worthless card cost but before protecting CHOAM's