Backend:
- MFA TOTP via pquerna/otp: generate secret, verify code, enforce at login
- KMS client: real AES-256-GCM encryption with Argon2id key derivation
- Smart wallet handlers: propose/execute Safe tx, submit UserOp via DB
- 9 new KMS tests, all 27 API tests passing
Frontend:
- Dashboard home fetches real vault/wallet counts, transactions, cluster status
- User menu shows actual logged-in email instead of hardcoded placeholder
- Reshare page connected to real API
- Smart wallet detail connected to real API (propose, execute, user-op)
- Loading/error states throughout