{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://ebi-webcomponents.github.io/protvista/schema/v1/feature-record.schema.json",
  "title": "ProtVista feature record",
  "description": "The canonical payload the generic bring-your-own-data adapters (features-csv, features-tsv, features-json, bed) emit and the feature tracks consume. Generic format only — domain-adapter (EBI API) payloads are not schematised. See docs/adapter-reference.md.",
  "type": "object",
  "required": [
    "type",
    "start",
    "end"
  ],
  "additionalProperties": true,
  "properties": {
    "type": {
      "type": "string",
      "description": "Feature category label (e.g. DOMAIN, BINDING). Drives `filter:` and colour grouping."
    },
    "start": {
      "type": "number",
      "description": "1-based start position (inclusive).",
      "$comment": "features-json also accepts `begin` as an alias for `start`; `start` wins when both are present."
    },
    "end": {
      "type": "number",
      "description": "1-based end position (inclusive)."
    },
    "description": {
      "type": "string",
      "description": "Free text shown in the default tooltip. Omitted when empty."
    },
    "score": {
      "type": "number",
      "description": "Optional numeric score. Omitted when empty."
    }
  }
}