Dark mode:
- All colors in Color+Extensions now adaptive (UIColor with traits)
- Warm dark palette: dark brown canvas, brighter gold accent, warm cards
- Article HTML CSS supports prefers-color-scheme: dark
- Meal/macro colors unchanged (vivid on both themes)
Reader fixes:
- .contentShape(Rectangle()) on cards/rows — fixes tap target issues
where small cards couldn't be clicked
- Context menu moved from card/row to the NavigationLink wrapper
so it doesn't interfere with taps
- Mark as read on scroll via .onAppear on each entry
- Cards no longer pass vm (cleaner, context menu handled at list level)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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