test(notifications): voeg component-tests toe voor AnswerModal

Dekt: optieknoppen + textarea + Verstuur zichtbaar met opties,
submit via optieknop, submit via vrij tekstveld, disabled Verstuur
bij leeg veld, en demo-modus (textarea + Verstuur disabled).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

__tests__/components/dialogs/answer-modal.test.tsx

@@ -0,0 +1,104 @@
+// @vitest-environment jsdom
+import { describe, it, expect, vi, beforeEach } from 'vitest'
+import { render, screen, fireEvent, waitFor } from '@testing-library/react'
+import React from 'react'
+
+vi.mock('@/actions/questions', () => ({
+  answerQuestion: vi.fn(),
+}))
+vi.mock('sonner', () => ({ toast: { success: vi.fn(), error: vi.fn() } }))
+vi.mock('@/stores/notifications-store', () => ({
+  useNotificationsStore: {
+    getState: () => ({ remove: vi.fn() }),
+  },
+}))
+vi.mock('next/link', () => ({
+  default: ({ href, children }: { href: string; children: React.ReactNode }) => (
+    <a href={href}>{children}</a>
+  ),
+}))
+
+import { AnswerModal } from '@/components/notifications/answer-modal'
+import { answerQuestion } from '@/actions/questions'
+import { toast } from 'sonner'
+import type { NotificationQuestion } from '@/stores/notifications-store'
+
+const mockAnswerQuestion = answerQuestion as ReturnType<typeof vi.fn>
+const mockToast = toast as unknown as {
+  success: ReturnType<typeof vi.fn>
+  error: ReturnType<typeof vi.fn>
+}
+
+const QUESTION: NotificationQuestion = {
+  kind: 'idea',
+  id: 'q-1',
+  product_id: 'prod-1',
+  idea_id: 'idea-1',
+  idea_code: 'IDEA-42',
+  idea_title: 'Mijn Idee',
+  question: 'Wat denk jij?',
+  options: ['Optie A', 'Optie B'],
+  created_at: '2026-01-01T00:00:00Z',
+  expires_at: '2026-12-31T00:00:00Z',
+}
+
+beforeEach(() => {
+  vi.clearAllMocks()
+})
+
+describe('AnswerModal — met opties', () => {
+  it('toont optieknoppen, textarea en Verstuur-knop', () => {
+    render(<AnswerModal question={QUESTION} isDemo={false} onClose={vi.fn()} />)
+    expect(screen.getByRole('button', { name: 'Optie A' })).toBeTruthy()
+    expect(screen.getByRole('button', { name: 'Optie B' })).toBeTruthy()
+    expect(screen.getByLabelText(/Antwoord op Claude/)).toBeTruthy()
+    expect(screen.getByRole('button', { name: 'Verstuur' })).toBeTruthy()
+  })
+
+  it('roept answerQuestion aan met optiewaarde bij klik op optieknop', async () => {
+    mockAnswerQuestion.mockResolvedValue({ ok: true })
+    render(<AnswerModal question={QUESTION} isDemo={false} onClose={vi.fn()} />)
+
+    fireEvent.click(screen.getByRole('button', { name: 'Optie A' }))
+
+    await waitFor(() => {
+      expect(mockAnswerQuestion).toHaveBeenCalledWith('q-1', 'Optie A')
+    })
+  })
+
+  it('roept answerQuestion aan met getypte tekst bij klik op Verstuur', async () => {
+    mockAnswerQuestion.mockResolvedValue({ ok: true })
+    render(<AnswerModal question={QUESTION} isDemo={false} onClose={vi.fn()} />)
+
+    fireEvent.change(screen.getByLabelText(/Antwoord op Claude/), {
+      target: { value: 'Mijn eigen antwoord' },
+    })
+    fireEvent.click(screen.getByRole('button', { name: 'Verstuur' }))
+
+    await waitFor(() => {
+      expect(mockAnswerQuestion).toHaveBeenCalledWith('q-1', 'Mijn eigen antwoord')
+    })
+  })
+
+  it('Verstuur-knop is disabled zolang het tekstveld leeg is', () => {
+    render(<AnswerModal question={QUESTION} isDemo={false} onClose={vi.fn()} />)
+    expect(screen.getByRole('button', { name: 'Verstuur' })).toHaveProperty('disabled', true)
+  })
+})
+
+describe('AnswerModal — demo-modus', () => {
+  it('textarea is disabled en Verstuur is disabled bij isDemo=true', () => {
+    render(<AnswerModal question={QUESTION} isDemo={true} onClose={vi.fn()} />)
+    expect(screen.getByLabelText(/Antwoord op Claude/)).toHaveProperty('disabled', true)
+    expect(screen.getByRole('button', { name: 'Verstuur' })).toHaveProperty('disabled', true)
+  })
+})
+
+describe('AnswerModal — geen vraag', () => {
+  it('rendert niets wanneer question null is', () => {
+    const { container } = render(
+      <AnswerModal question={null} isDemo={false} onClose={vi.fn()} />,
+    )
+    expect(container.firstChild).toBeNull()
+  })
+})