fix: Pasa instancia de db correctamente a initializeDatabase

index.ts

@@ -1,10 +1,10 @@
 import { WebhookServer } from './src/server';
-import { initializeDatabase } from './src/db';
+import { initializeDatabase, db } from './src/db';
 
 console.log("Starting WhatsApp Task Bot...");
 try {
   // Initialize database first
-  initializeDatabase();
+  initializeDatabase(db);
   console.log("✅ Database initialized");
 
   // Then start server