fix: improve maintenance and synchronize live conversations

backend/tests/api/test_organizations.py

@@ -29,7 +29,6 @@ from app.models.permission import (
     DEFAULT_AGENT_ROLE_PERMISSIONS,
 )
 from uuid import UUID, uuid4
-from datetime import datetime, timezone
 from app.api import organizations as organizations_router
 from app.core.auth import get_current_user, require_permissions
 from tests.conftest import engine, TestingSessionLocal, create_tables, Base
@@ -185,7 +184,6 @@ def test_create_organization(client, db, monkeypatch):
     
     # Mock the agent repository to avoid SQLite issues with JSON
     from app.repositories.agent import AgentRepository
-    original_create_agent = AgentRepository.create_agent
     
     def mock_create_agent(self, **kwargs):
         # Skip agent creation in tests