feat(frontend): complete MCP plugin management UI

frontend/src/features/workspace/FileTreePanel.spec.ts

@@ -22,7 +22,7 @@ async function waitForPath(path: string) {
 beforeEach(() => {
   localStorage.clear()
   setActivePinia(createPinia())
-  vi.spyOn(workspaceService, 'openVault').mockResolvedValue({ path: 'C:/vault', name: 'vault' })
+  vi.spyOn(workspaceService, 'openVault').mockResolvedValue({ vault_id: 'default', path: 'C:/vault', name: 'vault' })
   vi.spyOn(workspaceService, 'getFileTree').mockResolvedValue([
     {
       id: 'folder-data', name: '数据结构', path: '/数据结构', type: 'folder', is_open: true,
@@ -35,6 +35,9 @@ beforeEach(() => {
   vi.spyOn(workspaceService, 'readFileContent').mockImplementation(async (path) =>
     path.includes('红黑树') ? '# 红黑树\n' : '# 二叉搜索树\n'
   )
+  vi.spyOn(workspaceService, 'getNoteId').mockImplementation(async (path) =>
+    path.includes('红黑树') ? 'note-rbt' : 'note-bst'
+  )
 })
 
 afterEach(() => {
@@ -63,10 +66,12 @@ describe('FileTreePanel file switching', () => {
     await waitForPath('/数据结构/红黑树.md')
     expect(workspaceStore.activeFilePath).toBe('/数据结构/红黑树.md')
     expect(editorStore.content).toContain('# 红黑树')
+    expect(editorStore.currentNoteId).toBe('note-rbt')
 
     await findNode('二叉搜索树.md').trigger('click')
     await waitForPath('/数据结构/二叉搜索树.md')
     expect(workspaceStore.activeFilePath).toBe('/数据结构/二叉搜索树.md')
     expect(editorStore.content).toContain('# 二叉搜索树')
+    expect(editorStore.currentNoteId).toBe('note-bst')
   })
 })