Tasks completed: 2/2 - Task 1: Tenant signup API, tenant service, and signup UI - Task 2: Prisma tenant middleware, PostgreSQL RLS, and isolation tests SUMMARY: .planning/phases/01-foundation/01-03-SUMMARY.md
Tasks completed: 2/2 - Task 1: Tenant signup API, tenant service, and signup UI - Task 2: Prisma tenant middleware, PostgreSQL RLS, and isolation tests SUMMARY: .planning/phases/01-foundation/01-03-SUMMARY.md