style(17): apply prettier formatting to satisfy CI format:check

Reformats 4 phase-17 files (SettingsSheet.tsx, tokens.css, vite.config.ts,
pwa-assets.config.ts) plus 11 pre-existing non-conformant docs/READMEs that
the repo-wide format:check also flags.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

apps/pwa/src/components/SettingsSheet.tsx

@@ -29,7 +29,13 @@ import { usePushSubscription } from '../hooks/usePushSubscription.js';
 import { useIsPhone } from '../hooks/useIsPhone.js';
 import { useFocusTrap } from '../hooks/useFocusTrap.js';
 import { InstructionSheet } from './InstructionSheet.js';
-import { fetchMe, fetchAuthMode, fetchChangePassword, fetchLinkOidc, fetchLocalLogout } from '../api/client.js';
+import {
+  fetchMe,
+  fetchAuthMode,
+  fetchChangePassword,
+  fetchLinkOidc,
+  fetchLocalLogout,
+} from '../api/client.js';
 
 // CR-04: fetch VAPID key (from sessionStorage cache if available) for the
 // tap-gated subscribe() path.  Same logic as PushPermissionPrompt.