- Use module-level signal for clientReady to persist across re-renders
- Use Show component for reactive rendering instead of manual null returns
- createEffect handles redirect when client is ready but no token
- onMount sets clientReady after hydration completes
- Dashboard now shows correct TUTOR role sidebar with Leads/My Responses
- Playwright test verifies TUTOR dashboard renders with correct sidebar items
- RequireAuth: use setTimeout to defer clientReady=true until after hydration completes, preventing SSR/client mismatch
- dashboard.tsx: add SSR guard to return empty div on server
- playwright tests for dashboard role verification