SupportSpark: Technical Summary SupportSpark is a full-stack support network platform that enables members to share life journey updates with a curated group of supporters through a calm, role-based web application. The platform addresses the emotional burden of keeping loved ones informed during challenging times by centralizing updates and organizing supporter responses in threaded conversations, with invitation-only network controls ensuring privacy and security. Built with modern web technologies—React 19 with TypeScript for the frontend, Express 5 for the backend, and Tailwind CSS 4 for a purposeful teal/sage UI design—the application demonstrates enterprise-grade patterns including role-based access control (RBAC), Passport.js authentication with session management, and Zod runtime validation for end-to-end type safety. The architecture employs a shared schema layer across client and server to maintain a single source of truth, integrates TanStack React Query for efficient server state management, and provides both cloud hosting and Windows IIS deployment options via automated PowerShell scripts, showcasing production-ready deployment flexibility. Unique features include a browser-only demo mode using localStorage for zero-backend exploration, responsive accessibility built on Radix UI primitives, and comprehensive documentation including an IIS deployment guide and constitutional governance framework for maintainability. The platform targets individuals navigating health challenges, life transitions, or personal journeys who need a distraction-free, compassionate digital space for connection, making it particularly valuable for support networks during medical treatments, major life changes, or grief management.