Deploy and DevOps-lite

Provide a simple deployment path now and keep the repo ready for future infra growth.

Current deployment

• Prefer Vercel for Next.js speed and simplicity.
• Document the build command and environment variable strategy.

Future readiness

• Prepare for introducing apps/bff (Node/Fastify) later.
• Keep boundaries so the web app can switch from static/content to BFF APIs via lib/api.

Required logging

• Record deployment strategy choices in ProjectDecisions.md.
• Record infra/deploy lessons in ProjectLearnings.md.