refactor: 重构 schemas 结构，统一枚举定义

backend/tests/unit/v1/automation_jobs/test_schemas.py

@@ -5,7 +5,8 @@ from uuid import uuid4
 import pytest
 from pydantic import ValidationError
 
-from schemas.automation import AgentTool, AutomationJobConfig
+from core.agentscope.tools.tool_config import AgentTool
+from schemas.domain.automation import AutomationJobConfig
 from v1.automation_jobs.schemas import (
     AutomationJobCreateRequest,
     AutomationJobResponse,