mise: drop test, lint, build tasks
They add nothing over the existing apps/web npm scripts (npm test,
npm run lint, npm run build). Mise now only owns the orchestration
that npm can't do cleanly: docker compose startup, waiting, multi-step
migrations, and parallel long-running dev processes.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>