A game may take drafts: an input it does not call settled can be replaced, and the round waits for settled ones

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Jm2auWk6RP71CjaAb4FMoG

template/server/src/rooms.test.ts

@@ -43,4 +43,24 @@ describe('rooms', () => {
 		expect(reopened.get(room.id).state).not.toBeNull();
 		errors.mockRestore();
 	});
+
+	it('holds a draft until it is settled, and lets it be replaced until then', () => {
+		type Draft = Input & { final?: boolean };
+		const drafts: GameSpec<State, Input> = {
+			...game,
+			cleanInput: (raw) => ({ ...game.cleanInput(raw), final: (raw as Draft)?.final === true }) as Draft,
+			settled: (input) => (input as Draft).final === true
+		};
+		const { rooms, room, ann, bo } = table(drafts);
+		rooms.submit(room, ann, { pick: 5 }, 0);
+		rooms.submit(room, bo, { pick: 2, final: true }, 0);
+		expect(rooms.waitingOn(room)).toEqual(['A']);
+		rooms.submit(room, ann, { pick: 4 }, 0);
+		expect(room.resolved).toBe(0);
+		rooms.submit(room, ann, { pick: 3, final: true }, 0);
+		expect(room.resolved).toBe(1);
+		expect(room.state!.rounds[0].picks).toEqual({ A: 3, B: 2 });
+		rooms.submit(room, bo, { pick: 1, final: true }, 1);
+		expect(() => rooms.submit(room, bo, { pick: 2 }, 1)).toThrow(/not your move/);
+	});
 });