Bump version to 3.8.9: Add version display to profile

VERSION

@@ -1 +1 @@
-3.8.8
+3.8.9

play-life-web/package.json

@@ -1,6 +1,6 @@
 {
   "name": "play-life-web",
-  "version": "3.8.8",
+  "version": "3.8.9",
   "type": "module",
   "scripts": {
     "dev": "vite",

play-life-web/src/components/Profile.jsx

@@ -1,5 +1,6 @@
 import React from 'react'
 import { useAuth } from './auth/AuthContext'
+import packageJson from '../../package.json'
 
 function Profile({ onNavigate }) {
   const { user, logout } = useAuth()
@@ -97,7 +98,7 @@ function Profile({ onNavigate }) {
 
       {/* Version Info */}
       <div className="mt-8 text-center text-gray-400 text-sm">
-        <p>Play Life</p>
+        <p>PlayLife v{packageJson.version}</p>
       </div>
     </div>
   )