fix: Move webhook secret validation to runtime for Vercel builds

feat: Restore Clerk authentication with Supabase hybrid architecture

feat: Complete Phase 2 - Database Repositories with 133 passing tests

Update vercel.json with cd commands for apps/web subdirectory

Configure Vercel for Turborepo monorepo with Next.js framework detection

Fix Vercel 404 error by removing incorrect outputDirectory

fix: Remove framework preset to allow Vercel auto-detection

fix: Final Vercel configuration for Turborepo monorepo

fix: Use correct workspace name in Turbo filter

fix: Configure Turborepo monorepo for Vercel deployment

fix: Simplify Vercel config to use root build script

fix: Configure Vercel for monorepo with Turborepo

fix: Remove vercel.json for proper auto-detection

feat: Phase 3 - Audit Management System

fix: Next.js 15 compatibility - async params