feat: scaffold Tauri v2 + React + TS with all dependencies

- Tauri v2 with React 19 + TypeScript + Vite 7
- Tauri plugins: fs, dialog, shell (registered in lib.rs)
- Filesystem permissions scoped to $APPDATA/openpylon/**
- Tailwind CSS v4 via @tailwindcss/vite
- shadcn/ui initialized with 12 components
- All app dependencies: Zustand, zundo, dnd-kit, Framer Motion,
  Zod, ulid, date-fns, react-markdown, remark-gfm
- Path alias @/* configured in tsconfig + vite

package.json

@@ -0,0 +1,50 @@
+{
+  "name": "openpylon",
+  "private": true,
+  "version": "0.1.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc && vite build",
+    "preview": "vite preview",
+    "tauri": "tauri"
+  },
+  "dependencies": {
+    "@dnd-kit/core": "^6.3.1",
+    "@dnd-kit/sortable": "^10.0.0",
+    "@dnd-kit/utilities": "^3.2.2",
+    "@tauri-apps/api": "^2",
+    "@tauri-apps/plugin-dialog": "^2.6.0",
+    "@tauri-apps/plugin-fs": "^2.4.5",
+    "@tauri-apps/plugin-opener": "^2",
+    "@tauri-apps/plugin-shell": "^2.3.5",
+    "class-variance-authority": "^0.7.1",
+    "clsx": "^2.1.1",
+    "cmdk": "^1.1.1",
+    "date-fns": "^4.1.0",
+    "framer-motion": "^12.34.0",
+    "lucide-react": "^0.564.0",
+    "radix-ui": "^1.4.3",
+    "react": "^19.1.0",
+    "react-dom": "^19.1.0",
+    "react-markdown": "^10.1.0",
+    "remark-gfm": "^4.0.1",
+    "tailwind-merge": "^3.4.1",
+    "ulid": "^3.0.2",
+    "zod": "^4.3.6",
+    "zundo": "^2.3.0",
+    "zustand": "^5.0.11"
+  },
+  "devDependencies": {
+    "@tailwindcss/vite": "^4.1.18",
+    "@tauri-apps/cli": "^2",
+    "@types/react": "^19.1.8",
+    "@types/react-dom": "^19.1.6",
+    "@vitejs/plugin-react": "^4.6.0",
+    "shadcn": "^3.8.4",
+    "tailwindcss": "^4.1.18",
+    "tw-animate-css": "^1.4.0",
+    "typescript": "~5.8.3",
+    "vite": "^7.0.4"
+  }
+}