{
  "brand": "palesun",
  "signatureDomain": "museprotocol-v1",
  "upstream": "https://museprotocol.lol",
  "connect": "/api/connect",
  "launch": "/api/launch",
  "boards": ["musebook", "musegram"],
  "notice": "Sign original payload bytes. The gateway never modifies signed requests."
}