- Pattern A: corrected root cause (whitespace-nowrap + fixed h-{size}, not "block-children-as-flex-items"), verified against @bytelyst/ui Button source
- Pattern E: reframed as UX/discoverability (truncate doesn't hide from screen readers; full text is in DOM)
- Pattern H: narrowed to only the one real vw bug (index.css:1620); 1791/1798/1822/1832 are inside clamp() and fine
- Pattern F: confirmed 5 inline 1fr-1fr instances with file:line; confirmed 2 bare-1fr CSS instances
- Section 1: replaced fuzzy metric ("31 files use Button primitive") with verified counts and source of truth
- Section 5: every recommendation now has concrete file:line
- Section 6: NEW — how to verify a UI fix (5-viewport check, body scrollWidth probe, build/typecheck)
- Section 7: fixed broken pixel-width regex ([,$] -> [,;]?\s*$); added bare-1fr-in-css command
- Section 8: NEW — open questions / things to investigate (asChild slot inheritance, mobile, light theme)
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