pos-transactions-web/docs/architecture/frontend-boundary.md

Frontend Boundary

• This repository hosts a React edge application for a single BFF.
• Frontend data access flows through src/api/* adapter modules.
• The UI does not access DAL or internal services directly.
• Route shell and protected sections are session-aware via Thalos session endpoints.

Runtime Base URLs

• API_BASE_URL for business BFF calls.
• THALOS_AUTH_BASE_URL for session login/refresh/logout/me.

Protected Workflow Endpoints

• GET /api/pos/transactions/summary?contextId=...
• POST /api/pos/transactions/payments

UI Workflow Coverage

• POS summary lookup
• POS payment capture