- Add set PIN / change PIN multi-step flow (4-digit card PIN + 6-digit SCA PIN) with Treezor PCI DSS SCA proof generation
- Add unblock PIN for blocked cards after failed attempts
- Add renew card with SCA proof (same as wallet creation)
- Show menu options conditionally based on hasCardPin and isPinBlocked flags
- Make ScaPinView configurable with pinLength parameter (default 6)
- Add hasCardPin to ChildProfileEntity and isPinBlocked to WalletCardEntity
- Add EN/ES localizations for all new screens and messages