fix: Clean up KBX v60 references and simplify frontend pages

- Removed all @kbx/contracts imports and types
- Cleaned up feature registries (minimal definitions)
- Simplified page components (HomePage, ModelsList, ShadowRunList)
- Removed KBX UI components and adapters
- Fixed TypeScript errors with type casting
- Frontend build: 737KB (204KB gzip) ✅

CI/CD Pipeline: Ready for testing

frontend/src/features/home/registry.ts

@@ -1,20 +1,14 @@
 /**
  * Home Feature Screen Registry
- * Define all screens in the home feature module
  */
 
-import type { KbxScreenDefinition } from '@shared/contracts/kbx-types'
-
-export const homeScreen: KbxScreenDefinition = {
+export const homeScreen = {
   screenId: 'home.dashboard',
-  title: '홈',
+  title: 'Home',
   module: 'Home',
-  type: 'dashboard',
   path: '/home',
   component: () => import('./pages/HomePage.vue'),
-  permissions: [], // Home is accessible to all users
-  description: '업무를 검색하고, 이어서 처리하고, 즐겨찾기로 자주 쓰는 화면에 바로 접근합니다.',
-  telemetry: { enabled: true },
+  permissions: [],
 }
 
-export const homeScreens: KbxScreenDefinition[] = [homeScreen]
+export const homeScreens = [homeScreen]