Bump version to 0.2.1 and fix dynamic version display

- Update version to 0.2.1 in package.json and plugin.json
- Fix hardcoded v0.1 in App.tsx to use dynamic __APP_VERSION__

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: backnotprop

apps/hook/.claude-plugin/plugin.json

@@ -1,7 +1,7 @@
 {
   "name": "plannotator",
   "description": "Interactive Plan Review: Mark up and refine your plans using a UI, easily share for team collaboration, automatically integrates with plan mode hooks.",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "author": {
     "name": "backnotprop"
   },

package.json

@@ -1,6 +1,6 @@
 {
   "name": "plannotator",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "private": true,
   "description": "Interactive Plan Review for Claude Code - annotate plans visually, share with team, automatically send feedback",
   "author": "backnotprop",

packages/editor/App.tsx

@@ -356,7 +356,7 @@ const App: React.FC = () => {
             >
               <span className="text-sm font-semibold tracking-tight">Plannotator</span>
             </a>
-            <span className="text-xs text-muted-foreground font-mono opacity-60 hidden md:inline">v0.1</span>
+            <span className="text-xs text-muted-foreground font-mono opacity-60 hidden md:inline">v{typeof __APP_VERSION__ !== 'undefined' ? __APP_VERSION__ : '0.0.0'}</span>
           </div>
 
           <div className="flex items-center gap-1 md:gap-2">