feat(modules): 帮助中心、工单、工作流与多渠道接入

补齐 FAQ、帮助中心、工单、可视化工作流及 Telegram/WhatsApp/Slack 等渠道模块。

frontend/src/__tests__/components/integrations/MetaOwnAppWebhook.spec.ts

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+/*
+Copyright 2024-2026 ChatterMate
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import { describe, it, expect, vi } from 'vitest'
+import { mount } from '@vue/test-utils'
+
+import MetaOwnAppWebhook from '../../../components/integrations/MetaOwnAppWebhook.vue'
+import type { ChannelAccount } from '../../../services/channels'
+
+vi.mock('vue-sonner', () => ({ toast: { error: vi.fn(), success: vi.fn() } }))
+
+const account = (channel_type: 'whatsapp' | 'messenger', webhook_auto_configured?: boolean): ChannelAccount => ({
+  id: 'acc-1',
+  channel_type,
+  external_account_id: 'PN1',
+  is_active: true,
+  webhook_url: 'https://api.example.com/api/v1/webhooks/meta/acc-1',
+  webhook_verify_token: 'tok-123',
+  webhook_auto_configured,
+})
+
+const text = (a: ChannelAccount) => mount(MetaOwnAppWebhook, { props: { account: a } }).text()
+
+describe('MetaOwnAppWebhook', () => {
+  it('shows the callback URL and verify token', () => {
+    const inputs = mount(MetaOwnAppWebhook, { props: { account: account('whatsapp', true) } }).findAll('input')
+    expect(inputs.map(i => (i.element as HTMLInputElement).value)).toEqual([
+      'https://api.example.com/api/v1/webhooks/meta/acc-1', 'tok-123'])
+  })
+
+  it('says a WhatsApp number is set up only when Meta took the callback', () => {
+    expect(text(account('whatsapp', true))).toContain('无需额外配置')
+    expect(text(account('whatsapp', false))).toContain('WhatsApp → 配置')
+  })
+
+  it('tells Messenger where the values go', () => {
+    expect(text(account('messenger'))).toContain('Messenger → 设置 → Webhooks')
+  })
+})