fixed frontent test errors

frontend/vue-app/src/__tests__/ItemList.spec.ts

@@ -10,14 +10,12 @@ describe('ItemList.vue', () => {
   it('does not show delete button for system items', async () => {
     const wrapper = mount(ItemList, {
       props: {
+        fetchUrl: '',
         itemKey: 'items',
         itemFields: ['name'],
         deletable: true,
         testItems: [systemItem],
       },
-      global: {
-        stubs: ['svg'],
-      },
     })
     await flushPromises()
     expect(wrapper.find('.delete-btn').exists()).toBe(false)
@@ -26,14 +24,12 @@ describe('ItemList.vue', () => {
   it('shows delete button for user items', async () => {
     const wrapper = mount(ItemList, {
       props: {
+        fetchUrl: '',
         itemKey: 'items',
         itemFields: ['name'],
         deletable: true,
         testItems: [userItem],
       },
-      global: {
-        stubs: ['svg'],
-      },
     })
     await flushPromises()
     expect(wrapper.find('.delete-btn').exists()).toBe(true)

frontend/vue-app/src/__tests__/UserProfile.spec.ts

@@ -11,8 +11,8 @@ global.fetch = vi.fn()
 const mockRouter = createRouter({
   history: createMemoryHistory(),
   routes: [
-    { path: '/auth/login', name: 'Login' },
-    { path: '/profile', name: 'UserProfile' },
+    { path: '/auth/login', name: 'Login', component: { template: '<div />' } },
+    { path: '/profile', name: 'UserProfile', component: { template: '<div />' } },
   ],
 })
 

frontend/vue-app/src/components/shared/__tests__/LoginButton.spec.ts

@@ -4,6 +4,10 @@ import { nextTick } from 'vue'
 import LoginButton from '../LoginButton.vue'
 import { authenticateParent, logoutParent } from '../../../stores/auth'
 
+vi.mock('vue-router', () => ({
+  useRouter: vi.fn(() => ({ push: vi.fn() })),
+}))
+
 // Mock imageCache module
 vi.mock('@/common/imageCache', () => ({
   getCachedImageUrl: vi.fn(async (imageId: string) => `blob:mock-url-${imageId}`),

frontend/vue-app/src/test/setup.ts

@@ -0,0 +1,20 @@
+import { vi } from 'vitest'
+
+// jsdom does not implement scrollTo — stub it to suppress "Not implemented" warnings
+window.scrollTo = vi.fn()
+
+// jsdom does not support navigation — stub window.location to suppress
+// "Not implemented: navigation to another Document" warnings
+Object.defineProperty(window, 'location', {
+  value: { href: '', pathname: '/', assign: vi.fn(), replace: vi.fn(), reload: vi.fn() },
+  writable: true,
+})
+
+// Globally mock imageCache so component tests don't make real fetch calls
+// and don't spam "response.blob is not a function" errors in jsdom.
+vi.mock('@/common/imageCache', () => ({
+  getCachedImageUrl: vi.fn().mockResolvedValue(''),
+  getCachedImageBlob: vi.fn().mockResolvedValue(new Blob()),
+  revokeImageUrl: vi.fn(),
+  revokeAllImageUrls: vi.fn(),
+}))