ci: add automated verification workflow for top_p defaults and model types

[adri22235]

Adds an automated GitHub Actions workflow to continuously validate that default sampling parameters (such as top_p=0.95) and Pydantic model configurations pass type checking and import validation across Python 3.10-3.13.

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[emmaperes796-collab]

Adds an automated GitHub Actions workflow to continuously validate that default sampling parameters (such as top_p=0.95) and Pydantic model configurations pass type checking and import validation across Python 3.10-3.1