Deploy: v0.5.1 static export

- New: Tutorial system (7-step onboarding with spotlight + action detection)
- UI: ResourceBar spacing optimization (gap, dividers, tabular-nums)
- UI: SettingsDialog adds tutorial replay + online play link
- Anim: tutorial pulse + pop-in keyframes

package.json

@@ -5,6 +5,7 @@
   "scripts": {
     "dev": "next dev -p 3000 2>&1 | tee dev.log",
     "build": "next build && cp -r .next/static .next/standalone/.next/ && cp -r public .next/standalone/",
+    "build:static": "BUILD_EXPORT=true next build",
     "start": "NODE_ENV=production bun .next/standalone/server.js 2>&1 | tee server.log",
     "lint": "eslint .",
     "db:push": "prisma db push",