Staff Message Board

• Stack: Next.js 16 (app router + Turbopack) frontend, Node/Express + Sequelize backend, MySQL + SQLite for tests.
• Docs: see docs/message-board-spec.md and docs/assignment-automated-testing.md for full requirements.
• Setup: cd api && npm install, cd frontend && npm install.
• Unit tests: cd api && npm test, cd frontend && npm test.
• Playwright suites: npm run integration:test and npm run e2e:test from frontend/ (scripts spawn both servers automatically).