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# A11y Click: React Fiber + CDP Trusted Click Fallback for Chrome SPAs

Chrome React SPA buttons expose UIA Invoke but fire no trusted event. Fallback chain: LegacyIA -> WM_LBUTTON -> TryCdpTrustedClick (Input.dispatchMouseEvent) -> TryReactFiberClickAsync (__reactProps.onClick direct call). Deployed commit a575bece.

user/developer

## Steps

1. CLI click tier order in A11yActions.Click.cs...
2. TryCdpTrustedClick() verifies success via pi...
3. Known gap: Scenario/ActionExecutor path does...
4. Verified 2026-04-22: test-a11y-find-click-re...
5. 2026-04-30: invoke action now uses AutoAppro...