The template's room server guards a stale room once, by name; the test's tick helper is named for what it waits on; the port list and the hall's tally lose a set that was always empty

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01CCLa2PaEeCj8njQZSWGqHx

template/server/src/rooms.ts

@@ -361,10 +361,14 @@ export class Rooms<State, Input> {
 	 * to hang and the bot's to come at once. The table is told as each move
 	 * lands, the same as any other.
 	 */
+	/** A room forgotten and loaded again drives itself; a timer or tick that wakes with the old one must do nothing. */
+	private isTable(room: Room<State>): boolean {
+		return this.rooms.get(room.id) === room;
+	}
+
 	private botsAfterAnswering(room: Room<State>): void {
 		setImmediate(() => {
-			// A room forgotten and loaded again drives itself; this one is no longer the table.
-			if (this.rooms.get(room.id) !== room) return;
+			if (!this.isTable(room)) return;
 			try {
 				this.driveBots(room);
 				this.botsSpeak(room, 'phase');
@@ -403,8 +407,7 @@ export class Rooms<State, Input> {
 		const hurried = this.hurried.has(room.id);
 		const next = setTimeout(() => {
 			this.pacing.delete(room.id);
-			// A room forgotten and loaded again drives itself; this one is no longer the table.
-			if (this.rooms.get(room.id) !== room) return;
+			if (!this.isTable(room)) return;
 			this.driveBots(room, hurried ? HURRIED_STEP : 1);
 			// Played out: the bots have their say once, as after any round, which ends a game with parting words.
 			if (!this.pacing.has(room.id)) this.botsSpeak(room, 'phase');