We need json serialization for SolutionAnalysis to complete https://github.com/OpenwaterHealth/SlicerOpenLIFU/issues/97 <!-- TRACEABILITY BLOCK START --> --- **Traceability Information:** - Issue: [OpenLIFU-python#154](https://github.com/OpenwaterHealth/OpenLIFU-python/issues/154) - SOFTREQ: [OpenLIFU-python#54](https://github.com/OpenwaterHealth/OpenLIFU-python/issues/54) - Comment: This issue is related to the requirements defined in [OpenLIFU-python#54](https://github.com/OpenwaterHealth/OpenLIFU-python/issues/54). _This information was populated automatically by a script on 2025-06-09T18:01:51Z._ <!-- TRACEABILITY SCRIPT sha1sum cc1b9bb1209619166b74bc9c91b73c05034d82cc --> <!-- TRACEABILITY BLOCK END -->