{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/beatoven/main/json-schema/beatoven-track-schema.json",
  "title": "Beatoven Track",
  "description": "A composition task and its rendered audio assets from the Beatoven Composition API.",
  "type": "object",
  "required": ["status"],
  "properties": {
    "status": {
      "type": "string",
      "enum": ["started", "composing", "running", "composed"],
      "description": "Current state of the composition task."
    },
    "task_id": {
      "type": "string",
      "description": "Identifier of the asynchronous composition task."
    },
    "meta": {
      "type": "object",
      "description": "Track metadata, present once status is 'composed'.",
      "properties": {
        "project_id": { "type": "string" },
        "track_id": { "type": "string" },
        "prompt": {
          "type": "object",
          "properties": {
            "text": { "type": "string" }
          }
        },
        "version": { "type": "integer" },
        "track_url": { "type": "string", "format": "uri", "description": "URL to download the rendered master mix." },
        "stems_url": {
          "type": "object",
          "description": "URLs for individual rendered stems.",
          "properties": {
            "bass": { "type": "string", "format": "uri" },
            "chords": { "type": "string", "format": "uri" },
            "melody": { "type": "string", "format": "uri" },
            "percussion": { "type": "string", "format": "uri" }
          }
        }
      }
    }
  }
}