Initial scaffold: AI Tycoon monorepo with core game loop

Turborepo monorepo with three packages:
- packages/shared: TypeScript types for all 14 game systems + balance constants + formatting utils
- packages/game-engine: Pure TS simulation engine with tick processor, economy, infrastructure, compute, research, market, and reputation systems
- apps/web: React + Vite + Tailwind + Zustand frontend with sidebar dashboard layout, new game screen, dashboard with charts, infrastructure management, and model training pages

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

apps/web/package.json

@@ -0,0 +1,32 @@
+{
+  "name": "@ai-tycoon/web",
+  "private": true,
+  "version": "0.0.1",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc -b && vite build",
+    "typecheck": "tsc --noEmit",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "@ai-tycoon/shared": "workspace:*",
+    "@ai-tycoon/game-engine": "workspace:*",
+    "react": "^19.1.0",
+    "react-dom": "^19.1.0",
+    "recharts": "^2.15.0",
+    "zustand": "^5.0.0",
+    "lucide-react": "^0.475.0"
+  },
+  "devDependencies": {
+    "@ai-tycoon/tsconfig": "workspace:*",
+    "@types/react": "^19.1.0",
+    "@types/react-dom": "^19.1.0",
+    "@vitejs/plugin-react": "^4.4.0",
+    "autoprefixer": "^10.4.20",
+    "postcss": "^8.5.0",
+    "tailwindcss": "^3.4.0",
+    "typescript": "^5.8.0",
+    "vite": "^6.3.0"
+  }
+}