{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://git.eeqj.de/sneak/chat/schema/s2s/relay.json",
  "title": "S2S Relay",
  "description": "A message relayed from a remote server in the federation.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "format": "uuid",
      "description": "Message UUID, globally unique across the federation."
    },
    "type": {
      "const": "relay"
    },
    "ts": {
      "type": "string",
      "format": "date-time"
    },
    "origin": {
      "type": "string",
      "description": "Originating server name."
    },
    "message": {
      "type": "object",
      "description": "The original S2C message being relayed. Preserves the original type, from, channel, content, etc.",
      "properties": {
        "type": {
          "type": "string"
        },
        "from": {
          "type": "string"
        },
        "channel": {
          "type": "string"
        },
        "content": {
          "type": "string"
        },
        "ts": {
          "type": "string",
          "format": "date-time"
        }
      },
      "required": ["type", "from"]
    }
  },
  "required": ["id", "type", "ts", "origin", "message"]
}