fix : add missing imports in services and pages

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/services/applications.ts

@@ -1,3 +1,6 @@
+import type { Application, ApplicationWrite } from './dto/application'
+import { type HydraCollection, extractHydraMembers } from '~/utils/api'
+
 export function getApplications(): Promise<Application[]> {
     const api = useApi()
     return api.get<Application[]>('/applications', undefined, {