feat: electron desktop packaging, CDN asset migration, production docs, scene JSON spec

package.json

@@ -6,14 +6,15 @@
   "scripts": {
     "dev": "vite",
     "build": "vue-tsc -b && vite build",
-    "preview": "vite preview"
+    "preview": "vite preview",
+    "pack:html": "node scripts/pack-html.mjs",
+    "pack:mac": "vite build && cd electron && npx @electron/packager . MyGame --platform=darwin --arch=arm64,x64 --out ../release",
+    "pack:win": "vite build && cd electron && npx @electron/packager . MyGame --platform=win32 --arch=x64 --out ../release"
   },
   "dependencies": {
-    "@types/dagre": "^0.7.54",
     "@vue-flow/background": "^1.3.2",
     "@vue-flow/controls": "^1.1.3",
     "@vue-flow/core": "^1.48.2",
-    "dagre": "^0.8.5",
     "dexie": "^4.4.3",
     "pinia": "^2.1.0",
     "vue": "^3.4.0"