v0.3.1 — multiplayer groundwork: 13 engine tests covering 2-4 player games, a seat parameter on snapshot and actionMenu so a player sees their own railroad rather than seat 0's, and the 22 opponent-directed cards held out of every deck until they are built

src/web/main.ts

@@ -722,7 +722,8 @@ function renderActions(
     game.state.turn.option === 'draw' &&
     !menu.options.some((i) => i.type === 'draw.end')
   ) {
-    const hand = (game.state.decks.hands.get(0) ?? []).length;
+    // The hand being counted is the ACTOR's — they are the one who cannot end the turn.
+    const hand = (game.state.decks.hands.get(currentActor(game) ?? 0) ?? []).length;
     html +=
       `<div class="grp"><button class="act blocked" disabled data-tip="§6.2 — you may not end a turn holding more than three cards (four with a Red Flag). Play one onto the board, or discard one face-up to a Department slot.">` +
       `End Local Operations — play or discard down to three first (holding ${hand})</button></div>`;