- Model list: a model with cross-GPU split now tags as "<lead> ⇄split 📌" (with a
  tooltip naming the lead card + ratio/auto), so the list makes "loads here, spills
  onto the other GPU(s)" visible instead of looking like a plain pin.
- gpu_detect._amd_stats reported VRAM in decimal GB (bytes/1e9) while _nvidia_stats
  used GiB (MiB/1024). That made the two cards ~7% out of step in the dashboard and
  in any cross-card free/total sum. AMD now reports GiB to match, so free-VRAM is
  consistent and comparable across both cards.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>