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Vance IngallsandClaude Opus 4.6
0cc79a35b0
* feat(hdr): add z-ordered multi-layer compositing with PQ support Per-frame z-order analysis groups elements into DOM and HDR layers, composited bottom-to-top. Adjacent DOM elements merge into single screenshots. PQ (HDR10/smpte2084) support via sRGB-to-PQ LUT with 203-nit SDR reference white. queryElementStacking walks DOM for effective z-index, groupIntoLayers splits on HDR/DOM boundaries. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix(hdr): address review feedback across stack - Document groupIntoLayers tie-break (V8 stable sort → DOM order). - Expand layerCompositor docstring: merge rationale, visibility inclusion. - Add tests: empty input, negative z-index, stable tie-break at equal z. - Document getEffectiveZIndex CSS stacking-context limitations. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>