feat: scaffold modular React and Phaser workspace

Author: nosam1998

.dependency-cruiser.cjs

@@ -0,0 +1,32 @@
+module.exports = {
+  forbidden: [
+    {
+      name: "site-does-not-import-game-scenes",
+      from: { path: "^web/apps/" },
+      to: { path: "^web/packages/game-(?!kit/)" },
+    },
+    {
+      name: "game-scenes-only-depend-on-game-kit",
+      from: { path: "^web/packages/game-(?!kit/)" },
+      to: {
+        path: "^web/(apps/|packages/(?!game-kit/|game-[^/]+/))",
+      },
+    },
+    {
+      name: "shared-packages-do-not-import-apps",
+      from: { path: "^web/packages/" },
+      to: { path: "^web/apps/" },
+    },
+    {
+      name: "no-circular-dependencies",
+      severity: "error",
+      from: {},
+      to: { circular: true },
+    },
+  ],
+  options: {
+    doNotFollow: { path: "node_modules" },
+    tsConfig: { fileName: "tsconfig.json" },
+    tsPreCompilationDeps: true,
+  },
+};

.github/workflows/web.yml

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+name: Web CI
+on:
+  pull_request:
+  push:
+    branches: [main]
+permissions:
+  contents: read
+concurrency:
+  group: web-ci-${{ github.ref }}
+  cancel-in-progress: true
+jobs:
+  web:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+      - run: pnpm install --frozen-lockfile
+      - run: pnpm typecheck
+      - run: pnpm lint
+      - run: pnpm format:check
+      - run: pnpm build

eslint.config.mjs

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+import js from "@eslint/js";
+import tseslint from "typescript-eslint";
+import globals from "globals";
+
+export default tseslint.config(
+  { ignores: ["**/dist/**", "**/node_modules/**"] },
+  js.configs.recommended,
+  ...tseslint.configs.recommended,
+  {
+    files: ["web/**/*.{ts,tsx}"],
+    languageOptions: { globals: globals.browser },
+    rules: { "@typescript-eslint/no-explicit-any": "error" },
+  },
+  {
+    files: ["web/**/*.{ts,tsx}"],
+    ignores: ["web/packages/api-client/**"],
+    rules: {
+      "no-restricted-globals": [
+        "error",
+        { name: "fetch", message: "Use @gfa/api-client." },
+        { name: "WebSocket", message: "Use @gfa/api-client." },
+        { name: "XMLHttpRequest", message: "Use @gfa/api-client." },
+      ],
+    },
+  },
+);

package.json

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+{
+  "name": "gamesforai",
+  "private": true,
+  "packageManager": "pnpm@10.6.5",
+  "scripts": {
+    "build": "pnpm --filter @gfa/site build",
+    "dev": "pnpm --filter @gfa/site dev",
+    "typecheck": "tsc --noEmit -p web/tsconfig.json",
+    "lint": "eslint web && depcruise web --config .dependency-cruiser.cjs",
+    "format:check": "prettier --check 'web/**/*.{ts,tsx,css,html,json}'",
+    "format": "prettier --write 'web/**/*.{ts,tsx,css,html,json}'"
+  },
+  "devDependencies": {
+    "@eslint/js": "^9.22.0",
+    "dependency-cruiser": "^16.10.2",
+    "eslint": "^9.22.0",
+    "globals": "^16.0.0",
+    "prettier": "^3.5.3",
+    "typescript": "^5.8.2",
+    "typescript-eslint": "^8.26.0"
+  }
+}