UI-A4 — High refresh rate enablement and debug overlay (#174) - #180
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Add DisplayRefreshService with RefreshRate.enable() at startup, debug Hz logging, and optional Hz overlay via QUERYA_REFRESH_OVERLAY. Closes #174
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Jul 27, 2026
UI-A4 — High refresh rate enablement and debug overlay (#174)
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Summary
refresh_ratedependency andDisplayRefreshServiceRefreshRate.enable()inmain()afterensureInitialized(macOS 14+ ProMotion unlock; Hz query on all desktop platforms)Display refresh: X Hz (max Y, variable=…)flutter run --dart-define=QUERYA_REFRESH_OVERLAY=true(debug only)Closes #174. Epic #170.
Test plan
flutter analyze— cleanflutter test test/core/motion/— 13 tests greenflutter run— check console Hz log on Linux/Windows/macOSflutter run --dart-define=QUERYA_REFRESH_OVERLAY=true— Hz badge visible in debug