Offer Semuta choice after winner battle card batch

docs/SEMUTA_SOURCE_UPDATE_20260907.md

@@ -66,7 +66,7 @@ without opening ordinary expansion starts. It interrupts **one public
 ordinary-card discard, the used Box after a paid Nullentropy search,
 either retirement of a played Ornithopter in a clean flight, the used
 Distrans after a private transfer, a final definite Truthtrance,
-movement-order Juice of Sapho, or one winner-selected battle card
+movement-order Juice of Sapho, or a winner-selected battle-card batch
 without pending battle rewards**, provided the parent transaction is
 clean. Every seat sees a neutral fresh-discard opportunity regardless
 of hidden Semuta possession. An early-ended Ornithopter advances its
@@ -74,18 +74,18 @@ saved movement queue; a completed flight has committed its forces
 and resumes its one arrival only without BG, Ecaz or Moritani entry
 reactions. Distrans's gift stays private with its recipient. The
 Truthtrance answer/history and Sapho first/last queue are bound.
-The chosen winner battle card is already in the public discard; its
-resolved battle and remaining phase transition resume once.
+The winner's chosen played cards are already in one public fresh
+batch; its resolved battle and remaining phase transition resume once.
 
 Each seat can Continue; only the canonical holder with a free hand
-slot and a card discarded by another player can commit. The sole
-eligible fresh card transfers automatically in the same accepted action,
-then Semuta goes to the normal discard pile. The saved ordinary effect
-or Box parent resumes once; passing by every seat preserves the
-original discard and effect. No face from an undisclosed event is
-projected before commitment. Owner-only multi-candidate selection
-support exists in the reaction component and bot adapter, but no
-multi-discard producer is activated in this bounded runtime.
+slot and a card discarded by another player can commit. A sole
+eligible fresh card transfers automatically in that same action.
+Multiple eligible public winner cards instead open a committed,
+owner-only inspection and exact one-card selection; the other fresh
+cards stay in the pile and Semuta is discarded once. The saved
+ordinary effect or Box parent resumes once. No undisclosed face is
+projected before commitment. Other simultaneous discard producers
+remain unfinished.
 
 This neutral all-seat acknowledgement is a conservative **application
 policy**, not a newly discovered publisher timing rule. The explicit
@@ -93,9 +93,9 @@ free-slot requirement is a provisional safety guard, not the printed
 resolution of full-hand take-before-discard. Auction, CHOAM market,
 pending gifts, competing responses, completed Ornithopter arrivals
 with BG intrusion, Ecaz Ambassador or Moritani Terror, queued or
-promise-bound Truthtrance, auction/battle Sapho, multi-card or
-reward-pending battle discards and other typed producers retain
-their automatic continuation; Semuta cannot claim those events yet.
+promise-bound Truthtrance, auction/battle Sapho, mandatory/reward-pending
+battle batches and other typed producers retain their automatic
+continuation; Semuta cannot claim those events yet.
 The completed Box's selected search card stays private and its paid
 shuffle is not repeated when another seat takes the used Box.
 No source ruling is inferred from this omission. The