feat(mobile): Phase M-2 D3RO 디자인 시스템 모바일 적용

DS 컴포넌트 9개 (ScreenPanel, WaveBars, AppStatusBar, Header, FilterChip 신규),
5개 탭 + 로그인 화면 D3RO 인스트루먼트 미학 적용,
i18n 연결 (I18nProvider + 모바일 전용 키 80+개),
모노레포 workspaces에 apps/mobile 추가.

packages/ui-native/src/index.ts

@@ -1,5 +1,5 @@
-// packages/ui-native — RN용 DS 컴포넌트 barrel
-// apps/mobile이 file: 의존성으로 참조
+// packages/ui-native — RN DS barrel
+// apps/mobile file: dependency
 
 export {
   d3roNativePalette,
@@ -17,3 +17,8 @@ export {
 } from './components/PhosphorText'
 export { Led, type LedProps } from './components/Led'
 export { PhysicalButton, type PhysicalButtonProps } from './components/PhysicalButton'
+export { ScreenPanel, type ScreenPanelProps } from './components/ScreenPanel'
+export { WaveBars, type WaveBarsProps } from './components/WaveBars'
+export { AppStatusBar, type AppStatusBarProps } from './components/StatusBar'
+export { Header, type HeaderProps } from './components/Header'
+export { FilterChip, type FilterChipProps } from './components/FilterChip'