fix(distributed): harden binary conformance

Keep inpainting request inputs in private ephemeral storage and publish only the completed image. Extend the real-binary feature matrix with canonical remeshing and typed protocol assertions, and preserve multipart diarization language hints.

Assisted-by: Codex:GPT-5 [apply_patch] [exec_command]
This commit is contained in:
Internal Server Error - Gitea: Git with a cup of tea
500 Internal Server Error

Gitea Version: 1.28.0+dev-477-g8b6ad49a5f