assistant2: Use snake_case for tool names (#27903)

The [Gemini
docs](https://ai.google.dev/gemini-api/docs/function-calling?example=weather#function_declarations)
state that function names should be in `snake_case` or `camelCase`.

Release Notes:

- N/A
9b7b4a9d2dBennet Bo Fenner committed on 4/2/2025, 10:17:58 AM· committed by GitHubparentc1d6dfd
14 files changedLine totals unavailable