message: expose chroms array to G3dInfoData for later data based decoration
diff: @@ -153,7 +153,8 @@ async function getTraj(ctx: RuntimeContext, data: G3dDataBlock) {
  haplotypes: Object.keys(data.data),
  haplotype: normalized.haplotype,
  resolution: data.resolution,
  - start: normalized.start
  + start: normalized.start,
  + chroms: normalized.chromosome,
  });
  return models;
  @@ -224,7 +225,8 @@ export interface G3dInfoData {
  haplotypes: string[],
  haplotype: string[],
  start: Int32Array,
  - resolution: number
  + resolution: number,
  + chroms: string[]
  };
  export const G3dLabelProvider: LociLabelProvider = {
  