{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://bounder.io/contracts/creedspace-bounder-envelope-v1.schema.json",
  "title": "Creed Space Bounder Signed Envelope v1",
  "type": "object",
  "additionalProperties": false,
  "required": ["envelope_version", "algorithm", "payload", "signature", "public_key_id"],
  "properties": {
    "envelope_version": { "const": "creedspace-bounder-envelope/v1" },
    "algorithm": { "const": "Ed25519" },
    "payload": {
      "type": "string",
      "contentEncoding": "base64",
      "contentMediaType": "application/json",
      "description": "Exact UTF-8 bytes of creedspace-bounder-policy/v1. The signature covers the decoded bytes without reserialization."
    },
    "signature": { "type": "string", "contentEncoding": "base64" },
    "public_key_id": { "type": "string", "minLength": 1, "maxLength": 128 }
  }
}