fix: improve maintenance and synchronize live conversations

backend/tests/repo/test_session_to_agent_repo.py

@@ -182,13 +182,13 @@ def test_close_session(session_repo, test_session):
 def test_get_agent_sessions(session_repo, test_agent, test_organization_id, test_customer):
     """Test retrieving all sessions for an agent"""
     # Create multiple sessions
-    session1 = session_repo.create_session(
+    session_repo.create_session(
         session_id=uuid4(),
         agent_id=test_agent.id,
         customer_id=test_customer.id,
         organization_id=test_organization_id
     )
-    session2 = session_repo.create_session(
+    session_repo.create_session(
         session_id=uuid4(),
         agent_id=test_agent.id,
         customer_id=test_customer.id,
@@ -239,7 +239,7 @@ def test_get_open_sessions(session_repo, test_session):
 def test_get_customer_sessions(session_repo, test_session, test_customer):
     """Test retrieving all sessions for a customer"""
     # Create another session for the same customer
-    session2 = session_repo.create_session(
+    session_repo.create_session(
         session_id=uuid4(),
         agent_id=test_session.agent_id,
         customer_id=test_customer.id,