message: tweak default updateInterval for 0 lookAhead
diff: @@ -420,8 +420,8 @@ export class Context extends BaseContext {
  }
  set lookAhead(time: Seconds) {
  this._lookAhead = time;
  - // if lookAhead is 0, default to .025 updateInterval
  - this.updateInterval = time ? (time / 2) : .025;
  + // if lookAhead is 0, default to .0125 updateInterval
  + this.updateInterval = time ? (time / 2) : .0125;
  }
  private _lookAhead!: Seconds;
  