Fix date handling

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

src/singletons/database.py

@@ -63,7 +63,7 @@ class Database:
                 "id": message.id,
                 "thread_id": thread.id,
                 "author": message.author,
-                "created_at": message.created_at.timestamp(),
+                "created_at": message.created_at,
                 "text": message.text,
                 "num_tokens": (len(encoding.encode(message.text)) + 7) if message.text else 0,
                 "conversation_role": conversation_role,