fix: improve maintenance and synchronize live conversations

backend/app/models/schemas/agent.py

@@ -17,7 +17,6 @@ limitations under the License.
 from datetime import datetime
 from pydantic import BaseModel, Field
 from typing import List, Optional, Dict
-from enum import Enum
 from uuid import UUID
 from app.models.agent import AgentType
 from app.agents.guardrail_policy import GUARDRAIL_PROMPT_MAX

backend/app/models/schemas/jira.py

@@ -14,7 +14,6 @@ See the License for the specific language governing permissions and
 limitations under the License.
 """
 
-from pydantic import BaseModel
 from typing import Optional, List, Any
 from app.models.schemas.agent import AgentResponse
 

backend/app/models/schemas/lead_capture.py

@@ -15,7 +15,7 @@ limitations under the License.
 """
 
 from pydantic import BaseModel, ConfigDict, Field, field_validator
-from typing import Optional, List, Dict, Any
+from typing import Optional, List
 from uuid import UUID
 
 # Reuse the ORM enums so the API contract can never drift from the DB.

backend/app/models/schemas/mcp_tool.py

@@ -16,10 +16,9 @@ limitations under the License.
 
 from datetime import datetime
 from pydantic import BaseModel, Field, field_serializer, validator
-from typing import List, Optional, Dict, Union
+from typing import List, Optional, Dict
 from enum import Enum
 from uuid import UUID
-from app.models.mcp_tool import MCPTransportType
 
 
 class MCPTransportTypeEnum(str, Enum):

backend/app/models/schemas/shopify/__init__.py

@@ -26,4 +26,16 @@ from .agent_shopify_config import (
     AgentShopifyConfigCreate,
     AgentShopifyConfigUpdate,
     AgentShopifyConfig
-) 
+)
+
+__all__ = [
+    "ShopifyShopBase",
+    "ShopifyShopCreate",
+    "ShopifyShopUpdate",
+    "ShopifyShopInDB",
+    "ShopifyShop",
+    "AgentShopifyConfigBase",
+    "AgentShopifyConfigCreate",
+    "AgentShopifyConfigUpdate",
+    "AgentShopifyConfig",
+]

backend/app/models/schemas/workflow.py

@@ -14,8 +14,8 @@ See the License for the specific language governing permissions and
 limitations under the License.
 """
 
-from pydantic import BaseModel, Field, validator
-from typing import Optional, List, Dict, Any, Union, Literal
+from pydantic import BaseModel, Field
+from typing import Optional, List, Dict, Any, Literal
 from uuid import UUID
 from datetime import datetime
 from app.models.workflow import WorkflowStatus