[MODERNIZATION] Update core dependencies and fix Cloudflare deployment

[MichaelFisher1997]

Overview

Comprehensive modernization of the Redot website's core dependencies and deployment infrastructure
to ensure long-term maintainability, security, and performance.

Scope of Work

✅ Phase 1: Cloudflare Deployment Fixes (COMPLETED)

• Update @opennextjs/cloudflare from 1.3.1 → 1.11.0
• Fix edge runtime compatibility by adding export const runtime = "nodejs" to 15+ pages/API
  routes
• Update wrangler.jsonc configuration
• Remove R2 cache dependency from open-next.config.ts (temporary - see pending changes)
• Successfully deploy to Cloudflare Workers (requires Pro plan for 4.4MB bundle)

🔄 Phase 2: Minor Dependency Updates (COMPLETED)

• Update React 19.1.0 → 19.2.0
• Update all @radix-ui UI components (9 packages)
• Update axios 1.7.9 → 1.12.2
• Update motion 12.0.5 → 12.23.24
• Update wrangler 4.22.0 → 4.43.0

⏳ Phase 3: Major Framework Updates (PENDING)

• Update Next.js 15.1.3 → Latest (requires testing)
• Update Sanity 3 → Latest (requires testing)
• Update TailwindCSS 3.4.1 → Latest (requires testing)

🔄 Pending Configuration Changes

• R2 Cache: Re-add R2 cache dependency to open-next.config.ts when access to main
  Cloudflare account is restored
  • Currently disabled due to deployment on personal account
  • Need to restore: incrementalCache: "r2" configuration
  • Waiting for Cloudflare account access permissions

🐛 Known Issues

• CORS configuration needed for Sanity API (local dev + production)
  • Add domains to Sanity CORS settings: https://www.sanity.io/manage/project/qqvmmpgb/settings/api
  • Local: http://localhost:3000-3002, Production: https://redot-website.bitter-wave-e2ec.workers.
    dev

Benefits

• ✅ Security: Latest security patches across all dependencies
• ✅ Performance: Improved bundle optimization and runtime performance
• ✅ Stability: Fixed Cloudflare deployment issues
• ✅ Maintainability: Up-to-date dependencies reduce technical debt
• ✅ Developer Experience: Improved tooling and build times

[MichaelFisher1997]

Linked PR: #263 - Package updates and Cloudflare deployment fixes (Phases 1 & 2 completed) ✅