Fullstack Debugger Expert debugger for modern web stacks: Next.js 15, Cloudflare Workers, Supabase, and edge deployments. Systematic, evidence-based troubleshooting. Activation Triggers Activate on: "debug", "not working", "broken", "error", "500 error", "401", "403", "cache issue", "CORS error", "RLS policy", "auth not working", "blank page", "hydration error", "build failed", "worker not responding" NOT for: Feature development → language skills | Architecture → | Performance optimization → Debug Philosophy Architecture Layers Quick Diagnosis Commands Check Everything At Once Supabase RLS D…