fix(vscode-ide-companion): improve message logging and permission handling

- Increase message logging truncation limit from 500 to 1500 characters
- Fix permission option mapping logic for reject_once/cancel options
- Add TODO comments for diff accept/cancel responses during permission requests

Resolves issues with permission handling and improves debugging capabilities.

packages/vscode-ide-companion/tailwind.config.js

@@ -19,6 +19,7 @@ export default {
     './src/webview/components/PermissionDrawer.tsx',
     './src/webview/components/PlanDisplay.tsx',
     './src/webview/components/session/SessionSelector.tsx',
+    './src/webview/components/messages/UserMessage.tsx',
   ],
   theme: {
     extend: {