feat: Add apps sidebar tab (#9342)

## Summary

<!-- One sentence describing what changed and why. -->

## Changes

- **What**: <!-- Core functionality added/modified -->
- **Breaking**: <!-- Any breaking changes (if none, remove this line)
-->
- **Dependencies**: <!-- New dependencies (if none, remove this line)
-->

## Review Focus

<!-- Critical design decisions or edge cases that need attention -->

<!-- If this PR fixes an issue, uncomment and update the line below -->
<!-- Fixes #ISSUE_NUMBER -->

## Screenshots (if applicable)

<img width="383" height="359" alt="image"
src="https://github.com/user-attachments/assets/47905196-9db6-4a57-8cf7-384d4d37d000"
/>

<img width="335" height="281" alt="image"
src="https://github.com/user-attachments/assets/843068f3-e895-4781-bf5f-e0eb86d3387c"
/>

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-9342-feat-Add-apps-sidebar-tab-3176d73d3650812b822fc9cc3f17322e)
by [Unito](https://www.unito.io)

---------

Co-authored-by: github-actions <github-actions@github.com>

src/stores/workspace/sidebarTabStore.test.ts

@@ -84,6 +84,15 @@ vi.mock(
   })
 )
 
+vi.mock('@/platform/workflow/management/composables/useAppsSidebarTab', () => ({
+  useAppsSidebarTab: () => ({
+    id: 'apps',
+    title: 'apps',
+    type: 'vue',
+    component: {}
+  })
+}))
+
 describe('useSidebarTabStore', () => {
   beforeEach(() => {
     setActivePinia(createTestingPinia({ stubActions: false }))
@@ -105,9 +114,10 @@ describe('useSidebarTabStore', () => {
       'assets',
       'node-library',
       'model-library',
-      'workflows'
+      'workflows',
+      'apps'
     ])
-    expect(mockRegisterCommand).toHaveBeenCalledTimes(5)
+    expect(mockRegisterCommand).toHaveBeenCalledTimes(6)
   })
 
   it('does not register the job history tab when QPO V2 is disabled', () => {
@@ -122,9 +132,10 @@ describe('useSidebarTabStore', () => {
       'assets',
       'node-library',
       'model-library',
-      'workflows'
+      'workflows',
+      'apps'
     ])
-    expect(mockRegisterCommand).toHaveBeenCalledTimes(4)
+    expect(mockRegisterCommand).toHaveBeenCalledTimes(5)
   })
 
   it('prepends the job history tab when QPO V2 is toggled on', async () => {
@@ -144,8 +155,9 @@ describe('useSidebarTabStore', () => {
       'assets',
       'node-library',
       'model-library',
-      'workflows'
+      'workflows',
+      'apps'
     ])
-    expect(mockRegisterCommand).toHaveBeenCalledTimes(5)
+    expect(mockRegisterCommand).toHaveBeenCalledTimes(6)
   })
 })

src/stores/workspace/sidebarTabStore.ts

@@ -7,6 +7,7 @@ import { useModelLibrarySidebarTab } from '@/composables/sidebarTabs/useModelLib
 import { useNodeLibrarySidebarTab } from '@/composables/sidebarTabs/useNodeLibrarySidebarTab'
 import { t, te } from '@/i18n'
 import { useSettingStore } from '@/platform/settings/settingStore'
+import { useAppsSidebarTab } from '@/platform/workflow/management/composables/useAppsSidebarTab'
 import { useWorkflowsSidebarTab } from '@/platform/workflow/management/composables/useWorkflowsSidebarTab'
 import { useCommandStore } from '@/stores/commandStore'
 import { useMenuItemStore } from '@/stores/menuItemStore'
@@ -135,6 +136,7 @@ export const useSidebarTabStore = defineStore('sidebarTab', () => {
     registerSidebarTab(useNodeLibrarySidebarTab())
     registerSidebarTab(useModelLibrarySidebarTab())
     registerSidebarTab(useWorkflowsSidebarTab())
+    registerSidebarTab(useAppsSidebarTab())
 
     const menuStore = useMenuItemStore()