Documentation

These are the core platform documents used to design and operate BillPilot. In the hosted app, this page is an index; the canonical documents live in the repository.

• docs/REQUIREMENTS.md
  Product requirements (source of truth).
• docs/ARCHITECTURE.md
  System architecture, multi-tenancy, async workflows.
• docs/DATA_MODEL.md
  DynamoDB tables, keys, GSIs, effective dating.
• docs/SECURITY.md
  Tenant isolation guarantees, secrets, encryption.
• docs/UX_GUIDE.md
  UX patterns, Simple vs Advanced mode.
• docs/RELEASE_CHECKLIST.md
  Release gates and quality bar.