High-level vision, QOSMAS standards, C4 system context, and technology stack.

Architecture, state management, secure storage, and mini-app host container.

Merchant acquiring, QR generation, cashier RBAC, and automated settlements.

Float management, OTC cash-in/cash-out, multi-bank aggregation, and commissions.

BaaS program control, maker-checker approvals, safeguarding register, and Tazama AML.

Mini-app development, .qpk bundle specification, CLI tools, and certification.

5-digit port grid, Docker Compose, PostgreSQL schema isolation, and observability.

REST OpenAPI specifications, gRPC services, CloudEvents, and webhooks.

Trust account balancing, 4-way reconciliation, and central bank compliance.

Local workspace bootstrapping, database seeding, testing, and operational runbooks.