feat(复习)：回忆复习页面与入口

- 新增 ReviewRecall.vue 回忆复习页面（双栏布局）
  - 左栏：回忆大纲输入区、对比结果展示（✅❌着色树）
  - 右栏：标准导图（默认折叠）、编辑、重新生成
  - 遗漏项列表，可点击回看原文
  - 回忆历史记录查询
- api/standardMindMap.ts：标准导图与回忆对比 API
- router：新增 /review/recall/:taskNum 路由
- Review.vue 行操作中增加回忆复习按钮
- ReviewDetail.vue 思维导图区增加回忆复习入口

src/__tests__/api/tasks.spec.ts

@@ -0,0 +1,51 @@
+import { describe, it, expect, vi, beforeEach } from 'vitest'
+
+vi.mock('@/utils/request', () => ({
+  default: {
+    get: vi.fn(),
+    post: vi.fn(),
+    put: vi.fn(),
+    del: vi.fn(),
+  },
+}))
+
+import request from '@/utils/request'
+import {
+  createTaskApplication,
+  deleteTaskApplication,
+  getTaskApplications,
+  updateTaskApplication,
+} from '@/api/tasks'
+
+const mockedRequest = vi.mocked(request)
+
+describe('tasks API', () => {
+  beforeEach(() => {
+    vi.clearAllMocks()
+  })
+
+  it('task applications API calls expected endpoints', async () => {
+    mockedRequest.get.mockResolvedValue({ code: 200, data: [] })
+    mockedRequest.post.mockResolvedValue({ code: 200, data: { id: 1 } })
+    mockedRequest.put.mockResolvedValue({ code: 200, data: { id: 1 } })
+    mockedRequest.del.mockResolvedValue({ code: 200 })
+
+    await getTaskApplications('T001')
+    expect(mockedRequest.get).toHaveBeenCalledWith('/tasks/T001/applications')
+
+    await createTaskApplication('T001', { title: 'Demo', status: 'TODO' })
+    expect(mockedRequest.post).toHaveBeenCalledWith('/tasks/T001/applications', {
+      title: 'Demo',
+      status: 'TODO',
+    })
+
+    await updateTaskApplication(1, { title: 'Demo 2', status: 'DOING' })
+    expect(mockedRequest.put).toHaveBeenCalledWith('/tasks/applications/1', {
+      title: 'Demo 2',
+      status: 'DOING',
+    })
+
+    await deleteTaskApplication(1)
+    expect(mockedRequest.del).toHaveBeenCalledWith('/tasks/applications/1')
+  })
+})