chore: switch to pnpm

docs/Architecture.md

@@ -27,6 +27,7 @@ graph TD
 
 ## 4. Technical Stack
 - **Vite:** Asset bundling and dev server.
+- **pnpm:** Package management.
 - **TypeScript:** Type-safe logic.
 - **Tailwind CSS:** Utility-first styling for speed and responsiveness.
 - **Vitest:** Unit testing logic in isolation.

memory-bank/systemPatterns.md

@@ -2,6 +2,7 @@
 
 ## Tech Stack
 - **Build Tool:** Vite
+- **Package Manager:** pnpm
 - **Language:** TypeScript
 - **Styling:** Tailwind CSS
 - **Testing:** Vitest

package.json

@@ -3,11 +3,13 @@
   "private": true,
   "version": "1.0.0",
   "type": "module",
+  "packageManager": "pnpm@10.26.2",
   "scripts": {
     "dev": "vite",
     "build": "tsc && vite build",
     "preview": "vite preview",
-    "test": "vitest"
+    "test": "vitest",
+    "preinstall": "npx only-allow pnpm"
   },
   "devDependencies": {
     "autoprefixer": "^10.4.23",