Merge feature/veto-timer in main

Co-Authored-By: Claude Haiku 5.5 <noreply@anthropic.com>

client/src/styles.css

@@ -523,3 +523,4 @@ input:focus, select:focus { border-color: var(--link); outline: none; }
 .admin-tab:hover { color: var(--text); }
 .admin-tab.is-active { color: var(--text); border-bottom-color: var(--primary); }
 
+.turn-timer { margin-left: auto; color: var(--muted); font-variant-numeric: tabular-nums; }