Add fields to solution analysis

[peterhollender]

Solution Analysis would benefit from communicating information to the user about the focal position of the target (nominal and actual), the duty cycle of the sequence (implied in the protocol definition, but useful to see, particularly if the voltage comes back out of bounds), and the overall sequence duration.

---

Traceability Information:

• Issue: OpenLIFU-python#334
• SOFTREQ: SlicerOpenLIFU#38
• Comment: This issue is related to the requirements defined in SlicerOpenLIFU#38.

This information was populated automatically by a script on 2025-06-17T19:22:05Z.