031bafd1fb
## Summary Adds /personality selector in the TUI, which leverages the new core interface in #9644 Notes: - We are doing some of our own state management for model_info loading here, but not sure if that's ideal. open to opinions on simpler approach, but would like to avoid blocking on a larger refactor - Right now, the `/personality` selector just hides when the model doesn't support it. we can update this behavior down the line ## Testing - [x] Tested locally - [x] Added snapshot tests
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