feat: fence periodic turn daemon execution

app/game-engine/src/index.ts

@@ -6,6 +6,7 @@ import { runTurnDaemonCli } from './turn/cli.js';
 export * from './lifecycle/types.js';
 export * from './lifecycle/clock.js';
 export * from './lifecycle/databaseCommandQueue.js';
+export * from './lifecycle/databaseTurnDaemonLease.js';
 export * from './lifecycle/inMemoryControlQueue.js';
 export * from './lifecycle/turnDaemonLifecycle.js';
 export * from './lifecycle/getNextTickTime.js';