refactor: 重构 schemas 结构，统一枚举定义

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

@@ -4,7 +4,7 @@ from uuid import uuid4
 import pytest
 
 from models.automation_jobs import AutomationJobStatus, ScheduleType
-from schemas.automation import (
+from schemas.domain.automation import (
     AgentTool,
     AutomationJobConfig,
     ContextSource,

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,

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

@@ -17,7 +17,7 @@ from v1.automation_jobs.schemas import (
     AutomationJobCreateRequest,
     AutomationJobUpdateRequest,
 )
-from schemas.automation import (
+from schemas.domain.automation import (
     AgentTool,
     AutomationJobConfig,
     ContextSource,