I don't think we need to have this configurable

The zed config as follow:

  "ssh_connections": [
    {
      "host": "vm",
      "args": [],
      "projects": [
        ...
      ],
      "upload_binary_over_ssh": true,    # download to local
    },
  ],

Downloaded files will be stored locally and will not be deleted. Keep only 5 files(default value), delete the older ones, or is there a better way?

Yes we should just choose a default value here I think. No user will ever bother configuring this so a config is overkill.

Hi @Veykril , remove the configuration item, by default keep at most 5 remote server download packages