Use persistent storage with better-sqlite3

src/app.ts

@@ -1,12 +1,17 @@
-import { HTTPService } from './services/http-router';
-import { InvitationsRoute } from './routes/invitations';
-import { InvitationStore } from './services/invitation-store';
-import { SSEBroadcaster } from './services/sse-broadcast';
+import { HTTPService } from './services/http-router.js';
+import { InvitationsRoute } from './routes/invitations.js';
+import { StorageSQLite, StoreSQLite } from './services/invitation-store.js';
+import { SSEBroadcaster } from './services/sse-broadcast.js';
+
+import type { InvitationSchema } from './utils/invitation-parser.js';
 
 export class App {
   static async create() {
+    const invitationStoragePath = "./xo-invitations.db";
+
     // Create the invitation store (this is a in-memory store for now)
-    const invitationStore = new InvitationStore();
+    const storage = await StorageSQLite.createOrOpen(invitationStoragePath);
+    const invitationStore = await storage.createOrGetStore<InvitationSchema>("invitations");
 
     // Create the SSE Broadcaster
     const sseBroadcaster = new SSEBroadcaster();