fix: improve maintenance and synchronize live conversations

backend/tests/repo/test_agentrepo.py

@@ -15,7 +15,7 @@ limitations under the License.
 """
 
 import pytest
-from app.models.agent import Agent, AgentType
+from app.models.agent import AgentType
 from app.repositories.agent import AgentRepository
 import json
 
@@ -90,7 +90,7 @@ def test_get_org_agents(agent_repo, test_organization_id):
         org_id=test_organization_id,
         is_active=True
     )
-    agent2 = agent_repo.create_agent(
+    agent_repo.create_agent(
         name="Agent 2",
         agent_type=AgentType.CUSTOMER_SUPPORT,
         instructions=["Instruction"],