Enable Semuta in public Discovery games

docs/DISCOVERY_PROTOTYPE.md

@@ -9,8 +9,9 @@ both occupants still adjust the cumulative distance once. The reordered frame
 has a new event and a signed record of the original order. Unchanged frames
 retain their original signatures. A position already held, a completed choice,
 and another use after a recovered Sapho are not offered in this first version.
-Semuta reaction profiles are guarded until that separate discard continuation
-is connected. The ordering is a provisional online interpretation of Sapho's
+In the supported Semuta/Discovery profile, the committed reorder pauses for
+the neutral discard reaction; claim or pass resumes the same next station
+choice. The ordering is a provisional online interpretation of Sapho's
 printed first/last effect; no combined publisher clarification is claimed.
 The current occupant may make its choice before the other occupant plays Sapho,
 including when an automated seat acts first. There is no neutral pre-choice