kang accb67e8ff feat: DTC carousel — 5 real codes with AI diagnosis, auto/manual scroll ...

New DTCCarousel section (#cases) sits between Hero and Showcase, showing
five common OBD-II codes with their OBDX output:

  P0420 · Catalytic Converter (Civic) — Plan within 2 weeks · $400–650
  P0301 · Cyl 1 Misfire (Camry)       — Easy fix · $80–200
  P0171 · Lean Fuel (F-150)           — Easy fix · $80–220
  P0442 · EVAP Small Leak (Equinox)   — Easy fix · $5–120
  P0700 · Trans Fault (Grand Cherokee)— Urgent · $100 diag–$3,500 rebuild

Each slide has an INPUT card (DTC + vehicle + mileage, big monospaced code
colored by severity) and an OUTPUT card (plain-English diagnosis + severity
pill + cost / drivability / first-move triplet).

UX: 6s auto-advance with linear progress bar, pause on hover & touch, prev
/next arrows, 5 jump-to dots, reduced-motion aware, aria-current on dots.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-04-23 21:14:48 +08:00

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