Offer Semuta before optional winner battle cleanup

docs/SEMUTA_SOURCE_UPDATE_20260907.md

@@ -66,16 +66,19 @@ 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 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
+movement-order Juice of Sapho, mandatory winning-card cleanup, or a
+later winner-selected battle-card batch without pending 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
 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 winner's chosen played cards are already in one public fresh
-batch; its resolved battle and remaining phase transition resume once.
+Mandatory winning cards form one public fresh batch after the
+previous loser cleanup, and any later optional winner selection is a
+separate batch. Neither a Semuta claim nor all-seat decline replays
+casualties or re-discards an already claimed card.
 
 Each seat can Continue; only the canonical holder with a free hand
 slot and a card discarded by another player can commit. A sole
@@ -93,9 +96,9 @@ 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, mandatory/reward-pending
-battle batches and other typed producers retain their automatic
-continuation; Semuta cannot claim those events yet.
+promise-bound Truthtrance, auction/battle Sapho, loser or mixed-owner
+mandatory battle batches and pending battle rewards 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