feat: add intelligent support workflow

frontend/src/features/workbench/WorkbenchPage.test.tsx

@@ -0,0 +1,76 @@
+import * as React from 'react'
+import { cleanup, render, screen } from '@testing-library/react'
+import { afterEach, describe, expect, it, vi } from 'vitest'
+
+import { WorkbenchPage } from './WorkbenchPage'
+
+const mocks = vi.hoisted(() => ({
+  listTickets: vi.fn(),
+  listWorkItems: vi.fn(),
+  getWorkItemMetrics: vi.fn()
+}))
+
+vi.mock('@/features/agent-workspace/AgentWorkspaceProvider', () => ({
+  useAgentPageContext: vi.fn()
+}))
+vi.mock('@/features/tickets/api', () => ({
+  listTickets: mocks.listTickets
+}))
+vi.mock('@/features/workitems/api', () => ({
+  listWorkItems: mocks.listWorkItems,
+  getWorkItemMetrics: mocks.getWorkItemMetrics
+}))
+
+afterEach(() => {
+  cleanup()
+  vi.clearAllMocks()
+})
+
+describe('WorkbenchPage 任务 SLA', () => {
+  it('展示任务类型、截止状态和 SLA 汇总', async () => {
+    mocks.listTickets.mockResolvedValue({
+      items: [],
+      page: 1,
+      page_size: 20,
+      total: 0,
+      total_pages: 0
+    })
+    mocks.listWorkItems.mockResolvedValue([
+      {
+        public_id: '018f6f5e-b407-7fc2-9c56-2f34e6e1c111',
+        task_type: 'support_analysis_failed',
+        status: 'active',
+        object_type: 'ticket',
+        object_id: '7',
+        ticket_id: 7,
+        ticket_no: 'TK-0007',
+        title: '接管支持分析',
+        description: '需要人工处理',
+        payload: { error_message: '模型调用失败' },
+        assignee_id: 3,
+        created_at: '2026-07-27T08:00:00Z',
+        updated_at: '2026-07-27T08:00:00Z',
+        completed_at: null,
+        due_at: '2026-07-27T12:00:00Z',
+        sla_status: 'overdue'
+      }
+    ])
+    mocks.getWorkItemMetrics.mockResolvedValue({
+      active_count: 3,
+      overdue_count: 1,
+      due_soon_count: 1,
+      completed_within_sla_count: 5,
+      completed_overdue_count: 2,
+      by_task_type: { support_analysis_failed: 1 }
+    })
+
+    render(<WorkbenchPage />)
+
+    expect(await screen.findByText('分析接管')).toBeInTheDocument()
+    expect(screen.getByText('模型调用失败')).toBeInTheDocument()
+    expect(screen.getAllByText('已超时')).toHaveLength(1)
+    expect(screen.getByText('活动 3')).toBeInTheDocument()
+    expect(screen.getByText('即将超时 1')).toBeInTheDocument()
+    expect(screen.getByText('已超时 1')).toBeInTheDocument()
+  })
+})