chinmaykhatri / Tender-shield Star 1 Code Issues Pull requests TenderShield — AI-Secured Government Procurement Platform | NVIDIA NIM (Llama 3.1 253B) + Supabase + SHA-256 Blockchain Audit Trail | Real-time fraud detection, sealed bidding, CAG audit reports, document scanning | Next.js 14 + TypeScript + Vercel government machine-learning typescript ai nextjs blockchain openai procurement india data-pipeline fraud-detection next-js federated-learning fedavg supabase anti-gaming gfr-compliance gem-portal gfr-2017 Updated Apr 18, 2026 TypeScript