feat: create vector extension (#71)

Author: jinjiaKarl

assets/tutorials/livekit+memobase/requirements.txt

@@ -1,3 +1,4 @@
 livekit-plugins-noise-cancellation
 livekit-agents[openai,silero,turn-detector,deepgram,noise_cancellation]
-memobase
+memobase
+python-dotenv

src/server/api/memobase_server/connectors.py

@@ -34,7 +34,19 @@
 Session = sessionmaker(bind=DB_ENGINE)
 
 
+def create_pgvector_extension():
+    try:
+        with Session() as session:
+            session.execute(text("CREATE EXTENSION IF NOT EXISTS vector;"))
+            session.commit()
+            LOG.info("pgvector extension created or already exists")
+    except Exception as e:
+        LOG.error(f"Failed to create pgvector extension: {e}")
+
+
 def create_tables():
+    create_pgvector_extension()
+    
     REG.metadata.create_all(DB_ENGINE)
     with Session() as session:
         Project.initialize_root_project(session)