Live rates, teller desk, hawala transfers & branch close — Level 1 Data Flow Diagram (DFD) showing external entities, processes, data stores, and labeled data flows.
Next.jsPostgreSQLRedisRTL/i18n
External entityUsers or systems outside the application boundary (customers, admins, devices).
ProcessBusiness logic handled by Next.js API routes / server actions.
Data storePostgreSQL for durable records; Redis for cache, sessions, and live data.