Initial project skeleton

Haskell backend: Orb HTTP framework, JSON-only API
Frontend: Mithril.js SPA with TypeScript, Neo Brutalism CSS
Dockerized build via flipstone/haskell-tools image

Routes:
  GET /api/health — health check

Build: ./hs stack build
Test:  ./hs stack test
Run:   ./scripts/run

.gitignore

@@ -0,0 +1,14 @@
+build/
+.env
+*.db
+*.db-shm
+*.db-wal
+*.sqlite
+*.sqlite3
+.stack-root
+.pi/
+__pycache__
+.worktrees/
+.superpowers/
+node_modules/
+frontend/dist/