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@roomote roomote bot commented Aug 6, 2025

Closes #6776

Description

This PR enables the grounding features (URL context and Google Search grounding) for Vertex AI that were previously only available for the Gemini provider. Since the Vertex AI provider inherits from the Gemini provider, the backend functionality was already in place - we just needed to expose the UI options.

Changes

  • ✅ Added enableUrlContext and enableGrounding options to vertexSchema in provider-settings.ts
  • ✅ Updated Vertex.tsx UI component to include URL context and grounding checkboxes
  • ✅ Added comprehensive tests for the new grounding features in Vertex.spec.tsx
  • ✅ Reused existing localization strings from the Gemini provider (no new translations needed)

Testing

  • All existing tests pass ✅
  • New tests added for Vertex AI grounding features ✅
  • Type checking passes ✅
  • Linting passes ✅

Screenshots

The Vertex AI settings page now includes the same grounding options as the Gemini provider:

  • Enable URL Context checkbox
  • Enable Grounding with Google Search checkbox

Both options work independently and use the same backend implementation that was already available through inheritance from the Gemini provider.


Important

Enable grounding features for Vertex AI by adding UI options and tests, reusing Gemini provider functionality.

  • Behavior:
    • Adds enableUrlContext and enableGrounding options to vertexSchema in provider-settings.ts.
    • Updates Vertex.tsx to include checkboxes for URL context and grounding.
    • Both options are available only for Gemini models and not from the welcome view.
  • Testing:
    • Adds tests in Vertex.spec.tsx to verify the rendering and functionality of the new checkboxes.
    • Tests ensure checkboxes are only available for Gemini models and can be toggled independently.
  • Misc:
    • Reuses existing localization strings from the Gemini provider.

This description was created by Ellipsis for e9f6590. You can customize this summary. It will automatically update as commits are pushed.

- Add enableUrlContext and enableGrounding options to vertexSchema in provider-settings.ts
- Update Vertex.tsx UI component to include URL context and grounding checkboxes
- Add comprehensive tests for the new grounding features in Vertex.spec.tsx
- Reuse existing localization strings from Gemini provider

Fixes #6776
@roomote roomote bot requested review from cte, jr and mrubens as code owners August 6, 2025 23:00
@dosubot dosubot bot added size:L This PR changes 100-499 lines, ignoring generated files. enhancement New feature or request UI/UX UI/UX related or focused labels Aug 6, 2025
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Reviewing my own code because apparently I trust no one, not even myself.

</Select>
</div>

<div className="mt-6">
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Is it intentional that these grounding options aren't wrapped in a !fromWelcomeView condition like they are in the Gemini component (line 77 in Gemini.tsx)? Just curious if we want to show these options in the welcome view for Vertex when we hide them for Gemini.

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Since grounding features only work with Gemini models on Vertex AI (not Claude models), would it be helpful to add a comment here explaining this limitation? Something like:

Suggested change
<div className="mt-6">
{/* Note: Grounding features only work with Gemini models on Vertex AI, not Claude models */}
<div className="mt-6">

This could help future developers understand when these options are actually functional.

})
})

describe("Both checkboxes interaction", () => {
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Great test coverage for the UI! Would it be valuable to add a test that verifies these options work correctly when using Gemini models (like "gemini-2.5-flash") on Vertex? Since grounding is Gemini-specific, it might be good to have a test that validates the integration with actual Gemini model IDs.

@hannesrudolph hannesrudolph added the Issue/PR - Triage New issue. Needs quick review to confirm validity and assign labels. label Aug 6, 2025
@daniel-lxs daniel-lxs moved this from Triage to PR [Needs Prelim Review] in Roo Code Roadmap Aug 7, 2025
@hannesrudolph hannesrudolph added PR - Needs Preliminary Review and removed Issue/PR - Triage New issue. Needs quick review to confirm validity and assign labels. labels Aug 7, 2025
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@roomote-agent Is it necessary to make changes to the provider logic at all? Just answer the question don't make any changes

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roomote bot commented Aug 7, 2025

Hi @daniel-lxs!

No, it is not necessary to make changes to the provider logic at all.

The backend implementation is already complete because:

  1. VertexHandler extends GeminiHandler (line 10 in src/api/providers/vertex.ts), inheriting all functionality including grounding features
  2. GeminiHandler already implements grounding - it checks this.options.enableUrlContext and this.options.enableGrounding (lines 73-79 in src/api/providers/gemini.ts) to add the appropriate tools
  3. The PR only adds UI configuration - just exposing these existing options in the Vertex AI settings schema and UI

Since Vertex AI inherits from Gemini, the grounding features work automatically once the UI passes these options. No additional backend changes are needed! 🎉

@daniel-lxs daniel-lxs moved this from PR [Needs Prelim Review] to PR [Needs Review] in Roo Code Roadmap Aug 7, 2025
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LGTM

@dosubot dosubot bot added the lgtm This PR has been approved by a maintainer label Aug 7, 2025
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mrubens commented Aug 21, 2025

Haven’t tried this out but I agree with the bot’s feedback:

  1. This shouldn’t show up in the welcome view
  2. This should only show up for Gemini models

@daniel-lxs daniel-lxs moved this from PR [Needs Review] to PR [Needs Prelim Review] in Roo Code Roadmap Aug 21, 2025
@daniel-lxs daniel-lxs moved this from PR [Needs Prelim Review] to PR [Needs Review] in Roo Code Roadmap Aug 21, 2025
@mrubens mrubens merged commit 0bc1183 into main Aug 21, 2025
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@mrubens mrubens deleted the feature/enable-grounding-vertex-ai branch August 21, 2025 20:02
@github-project-automation github-project-automation bot moved this from PR [Needs Review] to Done in Roo Code Roadmap Aug 21, 2025
@github-project-automation github-project-automation bot moved this from New to Done in Roo Code Roadmap Aug 21, 2025
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enhancement New feature or request lgtm This PR has been approved by a maintainer PR - Needs Review size:L This PR changes 100-499 lines, ignoring generated files. UI/UX UI/UX related or focused

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Enable 'grounding' for gemini via vertex AI too

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