{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://ailfish.org/schemas/chain.schema.json",
  "title": "AIльфийский delta-chain",
  "type": "object",
  "required": [
    "frames"
  ],
  "properties": {
    "silence_before": {
      "type": "boolean"
    },
    "silence_after": {
      "type": "boolean"
    },
    "frames": {
      "type": "array",
      "minItems": 2,
      "maxItems": 4,
      "items": {
        "$ref": "pose_frame.schema.json"
      }
    },
    "meta": {
      "type": "object",
      "description": "Must NOT include tip-words/lemmas/gloss for blind receiver path"
    }
  }
}