Job Site SaaS application that uses AI, GPS, and computer vision to automatically organize, tag, and generate before-and-after comparisons of job site photos. Frontend: Home Page Sign Up / Sign In User Dashboard Projects Page Create New Project form Templates Before/After Image Comparison Viewer (AI-powered matching) Generate and Download PDF report Generate shareable project link Backend / Core Functionality: AI-driven image organization and before/after pairing using computer vision GPS tagging for property location Secure file upload and cloud storage (AWS S3, Firebase, or similar) PDF report generation Shareable project links with access controls Stripe Integration: Subscription plans and pricing tiers Preferred Tech Stack: Frontend: React / Next.js or Vue Backend: Node.js (Express / NestJS) or Python (FastAPI / Django) Database: PostgreSQL / MongoDB AI & Computer Vision: OpenAI Vision API, TensorFlow, or similar Payments: Stripe API (subscriptions + webhooks) Cloud Services: AWS / Google Cloud / Firebase PDF Generation: jsPDF / Puppeteer / ReportLab