SYSTEM_ARCHITECTURE

Category: 14. Open Innovation / Corporate
Section: Phase 2: Technical Blueprint

4. SYSTEM_ARCHITECTURE.md

Purpose: To design a realistic enterprise-grade architecture with clear data flow and scalability.

Act as a senior enterprise architect.
Using the following PRD and TRD, design a realistic hackathon architecture for this corporate project.

PRD: [PASTE PRD]
TRD: [PASTE TRD]

Provide:
1. Recommended enterprise tech stack (Frontend, Backend, Database, Integrations)
2. Complete system architecture diagram (Text-based, showing Users → Frontend → Backend → Enterprise Systems → Database)
3. Frontend architecture (B2B/Enterprise UX)
4. Backend architecture (Microservices, API Gateway)
5. Database architecture (Enterprise data model)
6. Integration architecture (ERP, CRM, HRIS, Legacy systems)
7. Security and compliance architecture (SSO, IAM)
8. Scalability architecture (Horizontal, Vertical, Auto-scaling)
9. Data flow (How a user action triggers enterprise workflows)
10. Folder structure
11. Major components
12. Simplifications that can be made for a hackathon

Explain every technical decision in beginner-friendly language.
Do not introduce unnecessary tools.
Highlight enterprise-grade considerations at each layer.
Prioritize alignment with the sponsor's existing stack.