aisman

Session 90, Step 3: Pricing page: promotions section with referrer support
- AIM-1504 Pricing page: promotions section with referrer support
- AIM-1514 Issues list: keyboard shortcuts for navigation (parent)
- AIM-1748 Enhance pricing admin discount code edit form with applies-to tab and tier bindings
- AIM-1749 Expose public promotions on pricing page using public discount codes
- AIM-1751 Modernize payment page layout and stripe card text contrast
- AIM-1753 Fix add-on purchase feature accumulation logic
- AIM-1754 Extend discount validation for first-year and tier-scoped eligibility