Principal Architect Capstone and Design Review

Produce a deployment-level integration diagram for sandbox and live environments.

Complete a business-data-to-Talon.One entity and attribute mapping.

Create sequence diagrams for checkout, payment failure, cancellation, and partial return.

Create an effect-handling matrix assigning ownership and fallback behavior by effect type.

Produce a rollout plan covering migration, testing, cutover, rollback, and operational readiness.

Defend the completed architecture against security, reliability, scalability, and governance criteria.