Files
ldm0 54546adf32 fix(paint): align overflow clips with snapped box edges
Overflow clip geometry retained fractional layout offsets while its box
background used snapped paint geometry. Atomic flow grouping changed which
background and text commands shared a clip layer, exposing different edge
blending in three grid scrollbar reftests (240 pixels, max difference 17).

Snap owned overflow clips in the same pre-transform paint space as box
backgrounds. Preserve CSSOM geometry, property transforms and clip-chain
reuse. Cover block and grid containers with fractional offsets and sizes.
2026-11-13 03:28:46 +08:00
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