fix: add default export and Storage/Index static props so bench smoke test passes

Agent-Logs-Url: https://github.com/albe/node-event-storage/sessions/9a0a8086-87ff-4460-bb1c-220ab323c4ad

Co-authored-by: albe <4259532+albe@users.noreply.github.com>

Author: Copilot

index.js

@@ -1,4 +1,4 @@
-export { default as EventStore, ExpectedVersion, OptimisticConcurrencyError, LOCK_THROW, LOCK_RECLAIM } from './src/EventStore.js';
+export { default as EventStore, default, ExpectedVersion, OptimisticConcurrencyError, LOCK_THROW, LOCK_RECLAIM } from './src/EventStore.js';
 export { default as EventStream } from './src/EventStream.js';
 export { default as Storage, StorageLockedError } from './src/Storage.js';
 export { default as Index } from './src/Index.js';

src/EventStore.js

@@ -4,6 +4,7 @@ import fs from 'fs';
 import path from 'path';
 import events from 'events';
 import Storage, { ReadOnly as ReadOnlyStorage, LOCK_THROW, LOCK_RECLAIM } from './Storage.js';
+import Index from './Index.js';
 import Consumer from './Consumer.js';
 import { assert, scanForFiles } from './util.js';
 
@@ -589,5 +590,8 @@ class EventStore extends events.EventEmitter {
     }
 }
 
+EventStore.Storage = Storage;
+EventStore.Index = Index;
+
 export default EventStore;
 export { ExpectedVersion, OptimisticConcurrencyError, LOCK_THROW, LOCK_RECLAIM };