Agentic defaults

[MarcMcIntosh]

Pull Request Title

Description

Sets the model to use to either gpt-4o or cluade when using agent mode.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Refactoring (no functional changes, only code improvements)
• Documentation update

How to Test

• Start a new chat
• Tool use should be set to agent by default
• the available models should only be gpt-4o and claude.
• switch to explore to see more models.

Screenshots (if applicable)

Checklist

• My code follows the code style of this project.
• I have performed a self-review of my code.
• I have commented my code, particularly in hard-to-understand areas.
• I have added tests that prove my fix is effective or that my feature works.
• New and existing unit tests pass locally with my changes.
• Any dependent changes have been merged and published in downstream modules.
• I have updated the documentation where necessary.

Linked Issues

Additional Notes