fix(topbar): rename refresh toggle labels from LIVE/PAUSED to AUTO/MANUAL

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/design-system/layout/TopBar/TopBar.tsx

@@ -90,7 +90,7 @@ export function TopBar({
           title={globalFilters.autoRefresh ? 'Auto-refresh is on — click to pause' : 'Auto-refresh is paused — click to resume'}
         >
           <span className={styles.liveDot} />
-          {globalFilters.autoRefresh ? 'LIVE' : 'PAUSED'}
+          {globalFilters.autoRefresh ? 'AUTO' : 'MANUAL'}
         </button>
         <button
           className={styles.themeToggle}