缓存功能windows平台适配

app/simulation/native_codegen/cache_storage.py

@@ -218,7 +218,13 @@ def touch_cache_entry(cache_dir: Path, kind: str, key: str) -> None:
     entry = cache / kind / key
     _require_directory(entry)
     # Directory mtime is separate from the checksummed artifact/manifest bytes.
-    os.utime(entry, None, follow_symlinks=False)
+    # Windows Python may expose utime without the no-follow operation. The
+    # checks above reject symlinks and reparse points before either call, and
+    # the caller's use lease protects the entry from application eviction.
+    if os.utime in os.supports_follow_symlinks:
+        os.utime(entry, None, follow_symlinks=False)
+    else:
+        os.utime(entry, None)
 
 
 @dataclass(frozen=True)