| Protocol/schema tests | Money math, field validation, types, route contracts, statuses | Deployment configuration or real chain behavior |
| Foundry tests | Contract transitions, permissions, edge cases, fuzz and invariant behavior | Correct UI wiring or operational uptime |
| API integration tests | Sessions, ownership, idempotency, projections, replay, file access | Every external wallet/device combination |
| Frontend tests | Client mapping, transaction states, error and resume behavior | Successful hardware passkey signing |
| Browser checks | Actual layout, navigation, accessibility, and visible journey states | Independent security assurance |
| Live testnet journey | Recorded client/API/contract flow against the deployed system | Real customer traction or mainnet readiness |