v1.21.0

Minor Changes

• 1c28db2: Start SESSIONS + sessions on the configured lightweight utility model when the remembered model policy cannot resolve, remember that substitution, and surface it with a pre-start warning when available plus a notice naming the model actually used.

Patch Changes

• af7f327: Refresh the model policy catalog after saving models in Settings so a newly added model can be selected in the current session without reloading the page.