🐞 Bug Fixes in v1.2.1

• Fixed crash when Markdown Preview is triggered on systems without JavaFX (now shows a friendly error message).

• Prevented JavaFX WebView from initializing on headless systems to avoid startup errors.

• Resolved fallback issue: now switches correctly to Swing JFileChooser when JavaFX is unavailable.

• Improved error dialog display for Markdown Preview failures.

• Verified and addressed all crash-related issues flagged during Windows App Certification (WACK).

• Ensured CMD/Admin CMD features work only on supported platforms without causing system-level errors.