feat: Add support for vectors in SQLite (#3505)

letta/__init__.py

@@ -10,10 +10,12 @@ except PackageNotFoundError:
 if os.environ.get("LETTA_VERSION"):
     __version__ = os.environ["LETTA_VERSION"]
 
-
 # import clients
 from letta.client.client import RESTClient
 
+# Import sqlite_functions early to ensure event handlers are registered
+from letta.orm import sqlite_functions
+
 # # imports for easier access
 from letta.schemas.agent import AgentState
 from letta.schemas.block import Block