Three small UIUX fixes for the workspace Traces tab — same pattern
shipped on EventsTab.
1. Status dots were hardcoded bg-red-400 / bg-emerald-400 — semantic-
token misses. Switched to bg-bad / bg-good so they pin to the
canvas-wide ramp instead of Tailwind raw tones.
2. Trace expander rows had no aria-expanded — SR users heard a
generic "button" with no toggle indication. Added aria-expanded
+ aria-controls pointing to the detail panel id.
3. Refresh + each expander button now carry focus-visible:ring-accent
so keyboard users see where focus lands. Both were hover-only
before.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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