Utility to communicate with sockets that send and receive lines of JSON using `<sen-json …>` and `<recv-json …>` messages. Compatible with [mpv](https://mpv.io/), see [mpv.config-example.pr](./mpv.config-example.pr).
Do not send messages immediately to the dataspace passed `json_socket_translator`, wait until it asserts `<connected @socketPath string>`.