Update mistral provider

[machinekoder]

Related GitHub Issue

Closes: #9128

Description

Adds the devstral-small-latest model to the Mistral AI Provider, using the same settings as the devstral-medium-latest but with image support disabled and updated costs.

Test Procedure

Locally test using Roo Code Agent with devstral-small-latest model.

Pre-Submission Checklist

• Issue Linked: This PR is linked to an approved GitHub Issue (see "Related GitHub Issue" above).
• Scope: My changes are focused on the linked issue (one major feature/fix per PR).
• Self-Review: I have performed a thorough self-review of my code.
• Testing: Tests run locally
• Documentation Impact: Not applicable
• Contribution Guidelines: I have read and agree to the Contributor Guidelines.

Screenshots / Videos

Documentation Updates

Additional Notes

Get in Touch

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Important

Add devstral-small-latest model to Mistral provider with specific configurations in mistral.ts.

• Models:
  • Add devstral-small-latest model to mistralModels in mistral.ts.
  • devstral-small-latest has maxTokens and contextWindow of 131,000, no image support, and prices set to 0.1 for input and 0.3 for output.

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[roomote]

Rooviewer   See task on Roo Cloud

Review complete. The implementation correctly adds the devstral-small-latest model with appropriate configuration. No issues found.

_{Mention @roomote in a comment to request specific changes to this pull request or fix all unresolved issues.}