added mongodb_database to .env.template

Author: thestumonkey

backends/advanced/.env.template

@@ -91,6 +91,9 @@ RECORD_ONLY_ENROLLED_SPEAKERS=true
 # MongoDB for conversations and user data (defaults to mongodb://mongo:27017)
 MONGODB_URI=mongodb://mongo:27017
 
+# MongoDB database name (new installations use 'chronicle', legacy installations use 'friend-lite')
+MONGODB_DATABASE=chronicle
+
 # Qdrant for vector memory storage (defaults to qdrant)
 QDRANT_BASE_URL=qdrant