display-refresh-scheduler#17
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Summary
Why
Rapid key presses can update UI state faster than the e-paper panel can safely refresh. This makes the logical selection advance while the visible frame lags behind. The scheduler lets input update state immediately, then sends one current frame when the display path is ready.
Validation
esp32:esp32:XIAO_ESP32S3:PSRAM=opi,PartitionScheme=max_app_8MB.[Display] flush QUALITY (9 requests).