fix: tree agent rendering of fluid handles

[jenn-le]

This fixes a bug where tree agent does not render fluid handles.

[Copilot]

Pull request overview

This PR fixes a bug where the tree agent does not render fluid handles properly in TypeScript type generation.

Changes:

• Added support for rendering ValueSchema.FluidHandle as IFluidHandle type in TypeScript output
• Added conditional generation of the IFluidHandle type definition only when handles are present in the schema
• Added test coverage for handle node rendering

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
packages/framework/tree-agent/src/renderSchemaTypeScript.ts	Implements fluid handle rendering by adding a flag tracker, updating the renderLeaf function to handle FluidHandle case, and conditionally including the IFluidHandle type definition
packages/framework/tree-agent/src/test/typeGeneration.spec.ts	Adds a test case that verifies fluid handles are correctly rendered as IFluidHandle type with appropriate documentation

[github-actions]

🔗 No broken links found! ✅

Your attention to detail is admirable.

linkcheck output

> fluid-framework-docs-site@0.0.0 ci:check-links /home/runner/work/FluidFramework/FluidFramework/docs
> start-server-and-test "npm run serve -- --no-open" 3000 check-links

1: starting server using command "npm run serve -- --no-open"
and when url "[ 'http://127.0.0.1:3000' ]" is responding with HTTP status code 200
running tests using command "npm run check-links"


> fluid-framework-docs-site@0.0.0 serve
> docusaurus serve --no-open

[SUCCESS] Serving "build" directory at: http://localhost:3000/

> fluid-framework-docs-site@0.0.0 check-links
> linkcheck http://localhost:3000 --skip-file skipped-urls.txt

Crawling...

Stats:
  252163 links
    1804 destination URLs
    2045 URLs ignored
       0 warnings
       0 errors