Phase 0b of the settings-modal redesign — pull the reference dialog's two
repeated patterns into shared helpers so the upcoming migrations are mechanical
and identical:
- material::DialogActionFooter(primary, enabled, close, &outPrimary, &outClose)
— the centered fixed-width primary+Close TactileButton pair with no divider.
- material::GlassSectionScope — an RAII auto-sized glass sub-section using a LOCAL
ImDrawListSplitter (combo-safe, unlike GlassCardScope's shared ChannelsSplit) with
the reference's 12/10 padding and 8dp rounding; interiorWidth() for full-width kids.
Dogfooded by refactoring renderImportKeyDialog's footer and scan-height panel onto
them — same padding/spec/centering, so the render is unchanged.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
DanS
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