tool tip Soft limiter

<img width="973" height="611" alt="Image" src="https://github.com/user-attachments/assets/67678660-4f01-4eb8-b305-332c98f18ed0" />


Soft limiter start RPM and Soft limiter range (RPM): Gradually closes the throttle as the RPM approaches the limit, helping to provide a smooth limiter response for electronically controlled throttles.
