Duels record the rules revision they began under

CURRENT_RULES is stamped on the start line and the game state, and a
ledger replays under the revision it recorded (1 when it has none), so a
future fix that changes how a past turn resolves can keep the old path
for old duels. The reports desk skill now says when to bump it: only
when the deploy gate flags ledgers.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0141G6xqLeNRYEtviLWSB5Up

README.md

@@ -24,7 +24,9 @@ the other wizard moves. An empty seat can be given to the bot. Each turn, choose
 hand, pick which completed spell (if any) each hand casts and at whom, and reveal. The rules
 are at `/rules`, and a walk through the page with screenshots at `/guide`. A room's link opened
 without a seat is the Peanut Gallery: a read-only view showing only what every wizard could see.
-Seated wizards can talk to the table; the talk is a ledger line like any other. The Report
+Seated wizards can talk to the table; the talk is a ledger line like any other. A duel records the rules revision it began under (`CURRENT_RULES` in `state.ts`), so a fix that
+changes how a past turn resolves can keep the old path for old ledgers; the deploy gate says
+when that is needed. The Report
 button in a room's masthead files a bug report pinned to the room and the turn, kept in
 `feedback.jsonl` beside the ledgers; `deploy/pull-reports.sh` mirrors them locally and
 `deploy/report-reply.sh` answers one, and the reply appears under the report in the player's hall.