elixir-escript-daemon-stdio-encoding

Fix intermittent {:no_translation, :unicode, :latin1} crashes in Elixir escript daemons that use length-prefixed framed IPC on stdin/stdout. Use when: (1) daemon worker crashes only on some input files, usually ones with non-ASCII bytes (kanji, cyrillic, emoji); (2) error surfaces as Protocol error from daemon's error branch or as garbled frame-length bytes seen by the orchestrator/client side; (3) standalone…