Restyle the discount badge to the redesign's pill: ٪ + rounded Persian
digits on a translucent white rounded-full chip, no icon. Drops the raw
decimal percent (e.g. "12.7" -> "٪۱۳") and the discount-red icon import.
Applied in both the discounts rail and the for-you masonry.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
