fix(ui): выровнять IconTile chrome и доступность

Перевести KPI и агентские тайлы на IconTile, skip-link и live regions.

Co-authored-by: Cursor <[email protected]>

apps/web/src/routes/_auth/settings.tsx

@@ -18,8 +18,9 @@ import { Input } from '@evofw/ui/components/input'
 import { Switch } from '@evofw/ui/components/switch'
 
 /**
- * Control plane settings — Frame + SettingRow.
- * Preview: https://reui.io/preview/base/settings-16 · settings-3
+ * Control plane settings — single page: PageShell + Frame + SettingRow.
+ * SettingsShell (reui-kit) — только при 2+ секциях.
+ * Preview: https://reui.io/preview/base/settings-16 · https://reui.io/preview/base/settings-3
  */
 
 export const Route = createFileRoute('/_auth/settings')({