Add color dot indicators to each status option in the dropdown. Clicking
the dot opens an inline palette of 8 accent colors (from the design system).
Color assignments persist in localStorage and override the built-in defaults.
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
