1.2.0

• Put tab descriptions below the NAS image and add click-to-open help to every setting.
• Replace save/error notices with dismissible, theme-aware feedback.
• Add percentage brightness in 10% steps, defaulting to 70%, with a raw-value display option and 0% off.
• Group Advanced Settings by category and centre controls and action buttons.
• Move connectivity checks and their interval to Advanced Settings.
• Animate the mapping guide with a fixed Show guide / Hide guide button.
• Restart standby breathing together when the set of sleeping drives changes.
• Refresh the Power LED screenshot and the Drives LEDs mobile preview.
• Remove the correct installed package during uninstallation.