CF Insights (Next.js + TypeScript)

Prereqs: Node 18+.

1. Copy .env.example to .env.local and fill keys
2. Install deps: pnpm i (or npm i/yarn)
3. Dev: pnpm dev

Environment variables

• CF_KEY=
• CF_SECRET=
• GEMINI_API_KEY=

Notes

• Codeforces API signing implemented per cf-api.txt (SHA-512 over sorted params).
• Calls go through /api/cf/* to avoid exposing secrets and handle rate limits.