Vercel Advanced Troubleshooting Overview Diagnose hard-to-find Vercel issues: intermittent cold start failures, edge function crashes, region-specific behavior, function bundling problems, and serverless concurrency issues. Uses systematic isolation, request tracing, and Vercel-specific debugging techniques. Prerequisites - Vercel CLI with access to production logs - Familiarity with (standard debugging) - and for API inspection - Access to deployment inspection tools Instructions Step 1: Request-Level Tracing Step 2: Cold Start Investigation Step 3: Function Bundle Analysis Step 4: Region-Sp…