feat: add codex skills support and enhance system status UI

- Introduced new query keys for codex skills and their list.
- Updated English and Chinese locale files for system status messages.
- Enhanced the SettingsPage to display installation details and upgrade options.
- Integrated CLI mode toggle in SkillsManagerPage for better skill management.
- Modified skills routes to handle CLI type for skill operations and configurations.

ccw/frontend/src/hooks/index.ts

@@ -207,6 +207,8 @@ export {
   useRefreshCodexCliEnhancement,
   useCcwInstallStatus,
   useCliToolStatus,
+  useCcwInstallations,
+  useUpgradeCcwInstallation,
   systemSettingsKeys,
 } from './useSystemSettings';
 export type {
@@ -215,6 +217,7 @@ export type {
   UseCodexCliEnhancementStatusReturn,
   UseCcwInstallStatusReturn,
   UseCliToolStatusReturn,
+  UseCcwInstallationsReturn,
 } from './useSystemSettings';
 
 // ========== CLI Execution ==========