- Reorder tabs: Storico / Invia / Ricevi / Indirizzi / Contatti
- Invia: ComboBox to quick-fill recipient from saved contacts
- Contatti: new tab to add/remove contacts (name + address), persisted
to the wallet file via WalletDocument.Contacts
- Indirizzi: clicking any address (left or right click) opens a modal
window with derivation path, public key and private key as selectable
text (no copy button needed — user selects and copies manually);
AddressRow now carries PubKey, PrivKey, DerivPath pre-computed
- AddressInfoWindow: new Window with SelectableTextBlock per field,
private key section hidden for watch-only wallets
- Loc: adds tab.contacts, addr.*, contacts.*, send.from.contact keys
in all 6 languages