Add birthdate handling in member registration and management. Update UI to conditionally require birthdate for new members, and enhance API to enforce birthdate validation. Improve tests to cover new birthdate requirements.

tests/auth-endpoints.spec.ts

@@ -134,15 +134,29 @@ describe('Auth API Endpoints', () => {
 
     it('verhindert doppelte Benutzer', async () => {
       const event = createEvent()
-      mockSuccessReadBody({ name: 'Max', email: 'max@example.com', password: '12345678' })
+      mockSuccessReadBody({ name: 'Max', email: 'max@example.com', password: '12345678', geburtsdatum: '2000-01-01' })
       authUtils.readUsers.mockResolvedValue([{ email: 'max@example.com' }])
 
       await expect(registerHandler(event)).rejects.toMatchObject({ statusCode: 409 })
     })
 
+    it('verlangt Geburtsdatum bei Registrierung', async () => {
+      const event = createEvent()
+      mockSuccessReadBody({ name: 'Max', email: 'max@example.com', password: '12345678' })
+
+      await expect(registerHandler(event)).rejects.toMatchObject({ statusCode: 400 })
+    })
+
     it('legt Benutzer an und versendet E-Mails', async () => {
       const event = createEvent()
-      mockSuccessReadBody({ name: 'Max', email: 'max@example.com', password: '12345678', phone: '123' })
+      mockSuccessReadBody({
+        name: 'Max',
+        email: 'max@example.com',
+        password: '12345678',
+        phone: '123',
+        geburtsdatum: '2000-01-01',
+        visibility: { showBirthday: false }
+      })
       authUtils.readUsers.mockResolvedValue([])
       authUtils.hashPassword.mockResolvedValue('hashed')
       authUtils.writeUsers.mockResolvedValue(true)
@@ -151,6 +165,10 @@ describe('Auth API Endpoints', () => {
 
       expect(response.success).toBe(true)
       expect(authUtils.writeUsers).toHaveBeenCalled()
+      expect(authUtils.writeUsers.mock.calls[0][0][0]).toMatchObject({
+        geburtsdatum: '2000-01-01',
+        visibility: { showBirthday: false }
+      })
       expect(nodemailer.default.createTransport).toHaveBeenCalled()
     })
   })