fix: include invite URL in user invitation response and update related tests

frontend/src/api/__tests__/users.test.ts

@@ -50,7 +50,7 @@ describe('users api', () => {
   })
 
   it('invites users and updates permissions', async () => {
-    vi.mocked(client.post).mockResolvedValueOnce({ data: { invite_token: 't' } })
+    vi.mocked(client.post).mockResolvedValueOnce({ data: { invite_token: 't', invite_url: 'https://charon.example.com/accept-invite?token=t' } })
     await inviteUser({ email: 'i', permission_mode: 'allow_all' })
     expect(client.post).toHaveBeenCalledWith('/users/invite', { email: 'i', permission_mode: 'allow_all' })
 

frontend/src/api/users.test.ts

@@ -50,7 +50,7 @@ describe('users api', () => {
   it('creates, invites, updates, and deletes users', async () => {
     mockedClient.post
       .mockResolvedValueOnce({ data: { id: 3, uuid: 'u3', email: 'c@example.com', name: 'C', role: 'user', enabled: true, permission_mode: 'allow_all', created_at: '', updated_at: '' } })
-      .mockResolvedValueOnce({ data: { id: 4, uuid: 'u4', email: 'invite@example.com', role: 'user', invite_token: 'token', email_sent: true, expires_at: '' } })
+      .mockResolvedValueOnce({ data: { id: 4, uuid: 'u4', email: 'invite@example.com', role: 'user', invite_token: 'token', invite_url: 'https://charon.example.com/accept-invite?token=token', email_sent: true, expires_at: '' } })
 
     mockedClient.put.mockResolvedValueOnce({ data: { message: 'updated' } })
     mockedClient.delete.mockResolvedValueOnce({ data: { message: 'deleted' } })

frontend/src/api/users.ts

@@ -45,6 +45,7 @@ export interface InviteUserResponse {
   email: string
   role: string
   invite_token: string
+  invite_url: string
   email_sent: boolean
   expires_at: string
 }