fix: add cache clearing and hook verification scripts

- post-update.sh now clears plugin cache automatically
- verify-hooks.sh checks ALL locations for prompt hooks
- Prevents cached old hooks from overriding fixed hooks

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

scripts/post-update.sh

@@ -78,3 +78,8 @@ main() {
 }
 
 main "$@"
+
+# Clear plugin cache to ensure fresh hooks are loaded
+echo "Clearing plugin cache..."
+rm -rf ~/.claude/plugins/cache/leo-claude-mktplace/
+echo "Cache cleared"