v1.4 — Card editor v2 + commercial-ready preview
- New two-column card editor with accessible platform tablist and arrow-key navigation.
- Live phone-frame preview that mirrors the public card and reacts to brand colour, button style, and wallet visibility.
- Per-platform configuration panels for Apple Pass type, Google description, Samsung card ID, and landing QR caption.
- Sticky save bar with dirty / saving indicators across the editor.