- Fix POS settings button redirecting to /auth/login when UserRole is
not loaded — now navigates to /admin/shop/{shopId}/overview
- Add receipt template management page with full CRUD:
- Create/edit/delete receipt templates stored in localStorage
- Live preview of thermal receipt (80mm/58mm paper width)
- 18 toggleable fields (logo, address, phone, tax ID, items, etc.)
- Customizable header, footer, font size, paper width
- Set default template for POS printing
- Add "Hoá đơn in" section to shop settings with active template info
- Add sidebar menu item and route for receipt-templates
- Add vi-VN/en-US localization keys
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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