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Vance IngallsandClaude Opus 4.8
6e21072f44
The previous fixHint and skill guidance told agents to "settle via scale" for text-reflow props — but uniform scale resizes the glyphs, it does not change the gaps between them, so swapping a letterSpacing tween for scale lints clean while silently animating a different thing. Make the guidance faithful per property: - fontSize -> scale (same visual, sub-pixel smooth). - letterSpacing / wordSpacing -> split the text into per-character elements and animate each glyph's x (the spread); uniform scale is NOT equivalent. Or hold the value statically if it's a minor flourish. Add a "preserve the intent" principle to gsap-transforms-and-perf.md: a fix must reproduce the same start/end state and trajectory and be verified against the ORIGINAL render, not just pass lint — lint-clean-and-smooth is not the bar, faithful-and-smooth is. Redo the vignette demo title with the faithful per-glyph x spread (15.12px = (0.32em-0.18em)*108px, centered about 8 chars). Render-verified: settled endpoint matches the original at 46.5 dB, settle is smooth (24/24 unique frames). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>