[gspencergoog]

Summary

Add declarative UI framework adapter conformance (conformance/core/adapter_conformance.yaml) and accessibility conformance (conformance/core/accessibility.yaml) coverage for A2UISwiftUI (swift/swiftui).

What Changed

• SwiftUI Adapter & Accessibility Refinements: Updated Surface.swift, A2UIAccessibilityModifier.swift, A2UITextField.swift, and A2UIButton.swift in swift/swiftui/Sources/ to support NodeResolver view tree resolution (resolved, pending, unknown-type, cyclic) with UNKNOWN_COMPONENT_TYPE and CYCLIC_REFERENCE error emission, user-activation gating on local function invocation, ValidationResult error vs warning control disabling, and unmount() subscription cleanup.
• SwiftUI Conformance Harness: Added Yams to A2UISwiftUITests dependencies in root Package.swift and created swift/swiftui/Tests/A2UISwiftUITests/AdapterConformanceTests.swift executing all 6 cases of conformance/core/accessibility.yaml and all 13 cases of conformance/core/adapter_conformance.yaml.

Testing

• swift package describe && swift build --target A2UIJSONTests
• Verified swiftc -parse across all modified and new .swift files (full A2UISwiftUITests run on macOS CI via swift_build_and_test.yml).

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[gemini-code-assist]

Code Review

This pull request introduces several accessibility enhancements, lifecycle management APIs, and validation support to the SwiftUI adapter, along with a comprehensive suite of adapter and accessibility conformance tests. The review feedback highlights a critical runtime casting issue in Surface.swift that bypasses user activation checks, suggests simplifying the catalog lookup logic, recommends checking for explicit disabled states in A2UIButton, and advises against using #filePath for loading test fixtures to ensure compatibility with sandboxed environments.

[gspencergoog]

Consolidated into #3583, which now carries the shared suites and the adapter and accessibility conformance work for all five renderers (web, Flutter, SwiftUI). The commits and the resolved review threads from this PR are preserved there.

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