Function encode_worker_stdio_request 

pub fn encode_worker_stdio_request(
    writer: &mut impl Write,
    request: &WorkerStdioRequestEnvelope,
) -> Result<(), WorkerStdioCodecError>

Encode and write exactly one bounded request document plus a newline.

Errors

Returns a sanitized error for invalid request data, serialization failure, size overflow, or transport failure.