fix Windows Docker sandbox path mounting (#1634)

* fix windows docker sandbox paths

* fix windows sandbox mount validation

* fix backend checks for windows sandbox path PR

backend/packages/harness/deerflow/runtime/runs/manager.py

@@ -81,11 +81,7 @@ class RunManager:
     async def list_by_thread(self, thread_id: str) -> list[RunRecord]:
         """Return all runs for a given thread, newest first."""
         async with self._lock:
-            return sorted(
-                (r for r in self._runs.values() if r.thread_id == thread_id),
-                key=lambda r: r.created_at,
-                reverse=True,
-            )
+            return list(reversed([r for r in self._runs.values() if r.thread_id == thread_id]))
 
     async def set_status(self, run_id: str, status: RunStatus, *, error: str | None = None) -> None:
         """Transition a run to a new status."""