Changes to POST /api/kernel/set_model_value

post/api/kernel/set_model_value

Mar 31, 202641bba414df27 Revision changes
- breaking
  the / request property format changed from no format to base64
- breaking
  the request property format changed from no format to widget-model-id
Mar 18, 2026f29fa637d35b Revision changes
- info
  the / request property format was generalized from base64 to no format
- info
  the request property format was generalized from widget-model-id to no format