set_leds:
  name: Set LEDs
  description: Push segment data to an api_input color strip source
  fields:
    source_id:
      name: Source ID
      description: The api_input CSS source ID (e.g., css_abc12345)
      required: true
      selector:
        text:
    segments:
      name: Segments
      description: >
        List of segment objects. Each segment has: start (int, optional —
        defaults to 0), length (int, optional — defaults to the rest of the
        strip from start), mode ("solid"/"per_pixel"/"gradient"), color
        ([R,G,B] for solid), colors ([[R,G,B],...] for per_pixel/gradient).
        Example fill-whole-strip: [{"mode": "solid", "color": [255, 0, 0]}].
      required: true
      selector:
        object: