fix: expose safe import move errors

ingestion/guided_imports.py

@@ -162,14 +162,14 @@ def _rename_without_replacement(name: str, source_fd: int, destination_fd: int)
     # The supported Docker runtime is Linux. Fail closed if atomic no-replace
     # rename is unavailable instead of falling back to a check-then-replace race.
     try:
-        rename = ctypes.CDLL(None, use_errno=True).renameat2
+        rename = ctypes.CDLL(None).renameat2
     except AttributeError:
         raise ParseError("UNREADABLE_FILE") from None
     rename.argtypes = [ctypes.c_int, ctypes.c_char_p, ctypes.c_int, ctypes.c_char_p, ctypes.c_uint]
     rename.restype = ctypes.c_int
     encoded_name = os.fsencode(name)
     if rename(source_fd, encoded_name, destination_fd, encoded_name, 1) != 0:  # RENAME_NOREPLACE
-        raise OSError(ctypes.get_errno(), "Cannot move import source")
+        raise ParseError("UNREADABLE_FILE")
 
 
 def _move_file(name: str, source: str | None, destination: str | None, *, overwrite=False) -> None: