Nicely done, only have two ideas to consider. 1. Use a knot to extend the insulating DCD so that you have more of true belay angle. 2. Use a scissors technique to tend your personal prusik as you feed the running end to the DCD. Hands on the prusik add to potential reactionary gap. Looks like you are streamlining DC TTRS in general, but keeping things quick but still efficient.
If you'd like to learn more about this course, you can read an article we wrote about cliff rescue for ski patrol in Ski Patrol Magazine at RescueRigger.com/crsp.
Steve has been one of the leading forces behind this course, the video and the article. He's a lead instructor at Remote Rescue Training and mastermind of all sorts of wilderness/rescue/medical technology products such as vrigger,wasatchbackcountryskiing and beaconreviews.
Remote Rescue Training (at the University of Utah) will be offering two Cliff Rescue for Ski Patrol courses in early 2023. Visit CliffRescueForSkiPatrol.com for details.