Play now against the bot opens a room the server keeps

Every duel then leaves a ledger and shows in the visitors digest; the
offline duel in the browser remains as a fallback.

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

src/lib/game/duel.svelte.ts

@@ -794,6 +794,13 @@ export class Duel {
 		return remoteFrom(seated.view, seated.token);
 	}
 
+	/** A room with the bot already seated: a duel the server keeps, so it can be replayed and seen. */
+	static async createBotRoom(name: string): Promise<Remote> {
+		const seated = await api.create(name, 2);
+		rememberSeat(seated.view.roomId, { seat: seated.seat, token: seated.token });
+		return remoteFrom(await api.addBot(seated.view.roomId, seated.token), seated.token);
+	}
+
 	static async joinRoom(roomId: string, name: string): Promise<Remote> {
 		const seated = await api.join(roomId, name);
 		rememberSeat(roomId, { seat: seated.seat, token: seated.token });