Phase 01: Foundation - 3 plans in 3 waves (sequential dependency) - Plan 01: Mill build + ZIO HTTP server - Plan 02: PostgreSQL + Quill + Flyway migrations - Plan 03: Repository pattern + Pulumi/Besom deployment Ready for execution
Phase 01: Foundation - Standard stack identified (Mill, ZIO HTTP, Quill, Flyway, Besom) - Architecture patterns documented (service layer, typed errors, HOCON config) - Pitfalls catalogued (effect wrapping, transaction nesting, Besom laziness)
Phase 01: foundation - Implementation decisions documented - Phase boundary established