Mistral Agents API Support

[bglearning]

Is your feature request related to a problem? Please describe.
Would be good to have Mistral Agents API support.

Describe the solution you'd like
Likely a new Generator or type that supports the Mistral native Agents.

[sjrl]

After talking with @bglearning offline, ideally the client requesting this feature would like to have it in our mistral integration before Christmas