680417a0a2
rel=noopener forces a fresh browsing context, breaking target name matching
and window reference tracking across browsers.
Changes:
- use-instance-actions.ts: track opened tabs in Map, call .focus() on existing
- session-card.tsx: all Open buttons now go through handleOpen callback
- app-shell.tsx: sidebar session links use target='session-{id}' + noreferrer
- workspace-instance-chips.tsx: remove noopener from chip links
- instance-list.tsx: remove noopener from Open links
- WorkspaceDetailPage.tsx: use named target + noreferrer
Quality gates: tsc --noEmit pass, npm run build pass, 80/80 tests pass