feat(desktop): 持久化最近 Vault 授权

frontend/src/services/platform/desktop.spec.ts

@@ -28,6 +28,13 @@ describe('原生 Workspace 适配', () => {
   })
   it('取消原生目录选择不进入空 Vault', async () => {
     native.enabled = true; native.invoke.mockResolvedValue(null)
-    await expect(workspace.openVault('ignored')).rejects.toThrow()
+    await expect(workspace.openVault('')).rejects.toThrow()
+    expect(native.invoke).toHaveBeenCalledWith('workspace_choose', undefined)
+  })
+  it('最近 Vault 只能通过已授权路径命令重开', async () => {
+    native.enabled = true
+    native.invoke.mockResolvedValue({ vault_id: 'vault', path: 'C:\\notes', name: 'notes' })
+    await expect(workspace.openVault('C:\\notes')).resolves.toMatchObject({ vault_id: 'vault' })
+    expect(native.invoke).toHaveBeenCalledWith('workspace_open', { path: 'C:\\notes' })
   })
 })

frontend/src/services/workspaceService.ts

@@ -98,7 +98,10 @@ export async function getRecentVaults(): Promise<VaultInfo[]> {
 
 export async function openVault(path: string): Promise<VaultInfo> {
   if (isDesktop()) {
-    const vault = await hostInvoke<HostVault | null>('workspace_choose')
+    // 空路径只表示用户点击“选择目录”；最近列表只能重开 Host 已持久化授权的路径。
+    const vault = path
+      ? await hostInvoke<HostVault>('workspace_open', { path })
+      : await hostInvoke<HostVault | null>('workspace_choose')
     if (!vault) throw new Error(t('已取消选择', 'Selection cancelled'))
     cachedTree = null; noteIdByPath.clear(); typeByPath.clear(); treeRequestVersion++
     return vault