Each wardrobe state owns an equal hp band; emptying a band breaks the
fighter into the next look (white flash). HUD draws one colored segment
per band. --demo=bands + --shot-ticks for multi-shot verification.
Vesper (geared/base/torn) switched to hp_bands as the pilot.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>