- Add shared wallet tabs (Info, Members, Analytics) in WalletDetailPage
- Add InviteMemberModal with role selection and QR code invite display
- Add JoinWalletModal with QR camera scanning and invite code parsing
- Add WalletMembersTab with member list, avatar stack, and quota progress
- Add SharedWalletAnalyticsCard with income/expense breakdown and settlement
- Add spendingScope filter (ALL, PERSONAL, SHARED) in Wallets, Transactions, and Reports pages
- Enforce Claymorphism design system tokens and strict TypeScript types