Run UI tests with both renderers

[Kyle-Ye]

Agent Summary

This draft PR updates UI test coverage so CI exercises both renderer modes.

Changes:

• Adds SwiftUI Renderer and OpenSwiftUI Renderer variants to the iOS and macOS UI test workflow.
• Wires OPENSWIFTUI_SWIFTUI_RENDERER through the renderer matrix.
• Splits PR status contexts and snapshot artifact names by renderer to avoid collisions.
• Adds renderer-vendor checks in UI tests so OpenSwiftUI-renderer-specific gaps can be skipped with explicit reasons.

Validation:

• git diff --check HEAD^ HEAD
• Parsed .github/workflows/uitests.yml as YAML locally

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 26.93%. Comparing base (be40470) to head (e032d57).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #877      +/-   ##
==========================================
- Coverage   26.94%   26.93%   -0.02%     
==========================================
  Files         678      678              
  Lines       47146    47146              
==========================================
- Hits        12705    12700       -5     
- Misses      34441    34446       +5     

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[augmentcode]

🤖 Augment PR Summary

Summary: CI UI tests now run in both renderer modes to keep coverage for SwiftUI-backed and OpenSwiftUI-backed rendering.

Key changes:

• Adds a renderer matrix to iOS/macOS UI test jobs and threads OPENSWIFTUI_SWIFTUI_RENDERER through.
• Splits commit-status contexts and snapshot artifact names by renderer to avoid collisions.
• Adds renderer-vendor checks so known unsupported effects under the OpenSwiftUI renderer can be skipped with explicit reasons.

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[augmentcode]

Review completed. 2 suggestions posted.

Comment augment review to trigger a new review at any time.

[augmentcode]

With renderer added as a matrix axis, this matrix still relies on an include entry that doesn’t specify renderer; that can produce an extra job where matrix.renderer.* is unset (and/or leave the base combinations without ios-simulator-name). Consider ensuring every generated matrix row defines both ios-simulator-name and renderer.

Severity: high

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[augmentcode]

viewRendererVendor is only defined in this #else compilation branch and is currently hard-coded to .sui; the new .disabled(if: viewRendererVendor == .osui, ...) suite annotations may fail to compile or behave incorrectly when the other branch is active now that CI runs both renderer modes.

Severity: high

Other Locations

• Example/OpenSwiftUIUITests/Layout/Stack/ZStackIndexUITests.swift:11
• Example/OpenSwiftUIUITests/Render/GeometryEffect/Rotation3DEffectUITests.swift:10
• Example/OpenSwiftUIUITests/Render/GeometryEffect/RotationEffectUITests.swift:10
• Example/OpenSwiftUIUITests/Render/RendererEffect/BlurEffectUITests.swift:10
• Example/OpenSwiftUIUITests/Render/RendererEffect/ClipEffectUITests.swift:10

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