Techstack Overview:

• Frontend: React + TypeScript with shadcn/ui, TanStack Query, Tailwind CSS
• Backend: Node.js + Express with PostgreSQL (Neon), Drizzle ORM
• Development: Vite build system, TypeScript strict mode, Replit deployment

System Architecture:

• Component-based frontend with layered backend architecture
• Session-based authentication with role-based access control
• RESTful API design with comprehensive validation
• Security features including bcryptjs hashing and SQL injection protection

Connected OAuth & Integrations:

• Custom session-based authentication system (production ready)
• OAuth infrastructure prepared for Google/Microsoft/GitHub integration
• Active integrations: OpenAI, Stripe, SendGrid, Constant Contact
• WebSocket real-time features and webhook support

The file also includes detailed feature modules, deployment status, and development roadmap showing the system is production-ready with core CRM functionality complete, including the recent pipeline stage tracking and RFP system implementations.

• Frontend Pages (14 pages)
• Core Components (Layout, Quote System, UI Components)
• Backend Services (21 server modules)
• Database Schema (22 tables with descriptions)
• External Integrations (AI, Payment, Email, Real-time)