"Add address" form screen with four fields: Asset (dropdown), Network (dropdown), Wallet address (text input with Paste and QR scan actions), and Wallet label (text input). Tapping the Asset dropdown opens a "Select asset" sheet listing available assets (USDC, USDT) with icons. The Save button submits the form.
Acceptance Criteria:
- All four fields render correctly with proper labels and placeholder text
- Tapping Asset field opens the Select Asset bottom sheet
- Select Asset sheet lists assets with icon, name, and ticker
- Selecting an asset closes the sheet and populates the Asset field
- Paste button populates the address field from clipboard; QR icon opens scanner
- Save button is disabled until all required fields are filled
- Saved address appears in the Address Book list
"Add address" form screen with four fields: Asset (dropdown), Network (dropdown), Wallet address (text input with Paste and QR scan actions), and Wallet label (text input). Tapping the Asset dropdown opens a "Select asset" sheet listing available assets (USDC, USDT) with icons. The Save button submits the form.
Acceptance Criteria: