fix(imports): use concrete modules for internal symbols (#6427)

app/agent/tools/catalog.py

@@ -8,7 +8,7 @@ from typing import Any, Mapping, Optional
 
 from pydantic import BaseModel
 
-from app.agent.policy import ToolRevision
+from app.agent.policy.contracts import ToolRevision
 
 
 class ToolCatalogError(RuntimeError):

app/agent/tools/impl/query_doctor_report.py

@@ -7,7 +7,7 @@ from pydantic import BaseModel, Field
 
 from app.agent.tools.base import MoviePilotTool
 from app.agent.tools.tags import ToolTag
-from app.doctor import run_doctor
+from app.doctor.runner import run_doctor
 from app.runtime.log import logger