This PR is partly driven by changes in
https://github.com/supabase/supabase/pull/48102. Claude identified code
smells of Valtio state which are not bugs at the moment, but we should
address in case their usage changes.
<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit
* **Bug Fixes**
* Improved AI assistant message updates to prevent unexpected state
changes.
* Fixed table editing behavior to preserve shared data and prevent
accidental in-place mutations.
* Improved consent handling by preventing SDK internals from being
altered by state management.
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