Offer Semuta after clean winner battle discard

docs/SEMUTA_SOURCE_UPDATE_20260907.md

@@ -65,17 +65,17 @@ The explicit `semuta` development profile starts a fresh Richese roster
 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 after
-its answer is bound, or movement-order Juice of Sapho after its queue
-is committed**, 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 already committed its forces and
-resumes its one arrival afterward only in a roster without BG
-intrusion, Ecaz Ambassador or Moritani Terror entry reactions.
-Distrans's transferred card stays private with its recipient and is
-not a fresh target. Truthtrance's public answer/history and Sapho's
-first/last queue and protected Guild-last choice are already committed.
+Distrans after a private transfer, a final definite Truthtrance,
+movement-order Juice of Sapho, or one winner-selected battle card
+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
+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.
 
 Each seat can Continue; only the canonical holder with a free hand
 slot and a card discarded by another player can commit. The sole
@@ -93,11 +93,12 @@ 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 and other typed
-discard 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
+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.
+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
 separate [reaction privacy audit](SEMUTA_PRIVACY_REVIEW.md) explains why
 auto-closing only when nobody secretly holds the card would leak
 possession. The main game and public expansion gates remain closed.