task-62(ASIN 数据中心): 实现去重汇总列表查询

新增 dedupe-total-model.ts 纯解析 DedupeTotalDataPageVo(camel items/total/page/pageSize，
条目 dataValue/country/groupId/groupName/uploader/username/createdAt，缺 id 过滤)；
dedupe-total-api.ts fetchDedupeTotalList 复用共享筛选归一后 GET /api/admin/dedupe-total-data。
8 用例全过，451 单测 + build 绿。

admin-frontend-vue/src/pages/asin/dedupe-total-api.ts

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+/** 去重汇总列表查询适配（任务 62）：GET /api/admin/dedupe-total-data + 共享筛选归一。 */
+import { http } from '@/api/http'
+import { normalizeAsinPageParams, toAsinPageQuery, type AsinListParams } from './asin-filter'
+import { parseDedupeTotalPage, type DedupeTotalPageResult } from './dedupe-total-model'
+
+export const DEDUPE_TOTAL_ENDPOINT = '/api/admin/dedupe-total-data'
+
+export async function fetchDedupeTotalList(params: Partial<AsinListParams> = {}): Promise<DedupeTotalPageResult> {
+  const normalized = normalizeAsinPageParams(params)
+  const { data } = await http.get<unknown>(DEDUPE_TOTAL_ENDPOINT, { params: toAsinPageQuery(normalized) })
+  return parseDedupeTotalPage(data)
+}

admin-frontend-vue/src/pages/asin/dedupe-total-model.ts

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+/** 去重汇总列表查询模型（任务 62）：解析 DedupeTotalDataPageVo(camel)，纯逻辑。 */
+import { unwrap } from '../../api/envelope.ts'
+import { ASIN_PAGE_DEFAULT_SIZE, type AsinListParams } from './asin-filter.ts'
+
+export interface DedupeTotalItem {
+  id: number
+  dataValue: string
+  country: string
+  groupId: number | null
+  groupName: string
+  uploaderUserId: number | null
+  username: string
+  createdAt?: string
+}
+
+export interface DedupeTotalPageResult {
+  items: DedupeTotalItem[]
+  total: number
+  page: number
+  pageSize: number
+}
+
+export function emptyDedupeTotalPage(): DedupeTotalPageResult {
+  return { items: [], total: 0, page: 1, pageSize: ASIN_PAGE_DEFAULT_SIZE }
+}
+
+function text(value: unknown): string {
+  return typeof value === 'string' ? value.trim() : ''
+}
+
+function numberOrNull(value: unknown): number | null {
+  return typeof value === 'number' && Number.isFinite(value) ? Math.floor(value) : null
+}
+
+/** 解析单条去重总数据；缺 id 视为无效。 */
+export function toDedupeTotalItem(raw: unknown): DedupeTotalItem | null {
+  if (!raw || typeof raw !== 'object') return null
+  const record = raw as Record<string, unknown>
+  const id = numberOrNull(record.id)
+  if (id === null) return null
+  const item: DedupeTotalItem = {
+    id,
+    dataValue: text(record.dataValue ?? record.data_value),
+    country: text(record.country),
+    groupId: numberOrNull(record.groupId ?? record.group_id),
+    groupName: text(record.groupName ?? record.group_name),
+    uploaderUserId: numberOrNull(record.uploaderUserId ?? record.uploader_user_id),
+    username: text(record.username),
+  }
+  const createdAt = text(record.createdAt ?? record.created_at)
+  if (createdAt) item.createdAt = createdAt
+  return item
+}
+
+/** 归一化分页负载（信封或已解包 VO）为前端结果；缺省字段回默认。 */
+export function parseDedupeTotalPage(payload: unknown): DedupeTotalPageResult {
+  const out = emptyDedupeTotalPage()
+  const core = unwrap<unknown>(payload)
+  if (!core || typeof core !== 'object') return out
+  const record = core as Record<string, unknown>
+  if (Array.isArray(record.items)) {
+    out.items = record.items
+      .map((raw) => toDedupeTotalItem(raw))
+      .filter((item): item is DedupeTotalItem => item !== null)
+  }
+  if (typeof record.total === 'number') out.total = Math.floor(record.total)
+  if (typeof record.page === 'number' && record.page >= 1) out.page = Math.floor(record.page)
+  const rawSize = record.pageSize ?? record.page_size
+  if (typeof rawSize === 'number' && rawSize >= 1) out.pageSize = Math.floor(rawSize)
+  return out
+}
+
+/** 构造缺省分页查询参数（供初始加载使用）。 */
+export function emptyDedupePageParams(): Partial<AsinListParams> {
+  return { page: 1, pageSize: ASIN_PAGE_DEFAULT_SIZE }
+}

admin-frontend-vue/tests/task-62.test.ts

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+import test from 'node:test'
+import assert from 'node:assert/strict'
+import { readSource } from './helpers.ts'
+import { parseDedupeTotalPage, toDedupeTotalItem } from '../src/pages/asin/dedupe-total-model.ts'
+
+test('test_task_062_dedupe_list_normal_primary_path', () => {
+  // 正常主路径：Java DedupeTotalDataPageVo(camel) 解析为前端分页结果。
+  const page = parseDedupeTotalPage({
+    success: true,
+    data: {
+      items: [
+        {
+          id: 1,
+          dataValue: 'B0ABC123',
+          country: 'DE',
+          groupId: 3,
+          groupName: '华东组',
+          uploaderUserId: 2,
+          username: '张伟恒',
+          createdAt: '2026-01-01T10:00:00',
+        },
+      ],
+      total: 1,
+      page: 1,
+      pageSize: 15,
+    },
+  })
+  assert.equal(page.items.length, 1)
+  const item = page.items[0]
+  assert.equal(item.dataValue, 'B0ABC123')
+  assert.equal(item.country, 'DE')
+  assert.equal(item.groupName, '华东组')
+  assert.equal(item.username, '张伟恒')
+  assert.equal(item.id, 1)
+  assert.equal(page.total, 1)
+  assert.equal(page.pageSize, 15)
+})
+
+test('test_task_062_dedupe_list_normal_variant_input', () => {
+  // 正常变体：已解包 VO 直传同样归一；缺分组/上传者字段可空。
+  const page = parseDedupeTotalPage({
+    items: [{ id: 2, dataValue: 'X', country: 'UK' }],
+    total: 5,
+    page: 2,
+    pageSize: 20,
+  })
+  assert.equal(page.items[0].country, 'UK')
+  assert.equal(page.items[0].groupId, null)
+  assert.equal(page.items[0].username, '')
+  assert.equal(page.page, 2)
+  assert.equal(page.pageSize, 20)
+})
+
+test('test_task_062_dedupe_list_normal_repeated_operation_is_idempotent', () => {
+  // 正常重复：解析不改输入、结果稳定。
+  const payload = { data: { items: [{ id: 3, dataValue: 'A', country: 'DE' }], total: 1, page: 1, pageSize: 15 } }
+  assert.deepEqual(parseDedupeTotalPage(payload), parseDedupeTotalPage(payload))
+})
+
+test('test_task_062_dedupe_list_boundary_empty_input', () => {
+  // 边界空值：空负载回默认分页结果(空列表/total 0/page1/页大小 15)。
+  const page = parseDedupeTotalPage({})
+  assert.deepEqual(page.items, [])
+  assert.equal(page.total, 0)
+  assert.equal(page.page, 1)
+  assert.equal(page.pageSize, 15)
+})
+
+test('test_task_062_dedupe_list_boundary_single_item', () => {
+  // 边界单元素：单条记录；缺 id 的行被过滤。
+  const page = parseDedupeTotalPage({
+    data: {
+      items: [{ id: 7, dataValue: 'Z' }, { dataValue: 'no-id' }],
+      total: 2,
+      page: 1,
+      pageSize: 15,
+    },
+  })
+  assert.equal(page.items.length, 1)
+  assert.equal(page.items[0].id, 7)
+})
+
+test('test_task_062_dedupe_list_boundary_limit_or_missing_field', () => {
+  // 边界上限/缺字段：缺 page/pageSize 用默认；空 dataValue 保留空串。
+  const page = parseDedupeTotalPage({ items: [{ id: 9, dataValue: '' }], total: 0, page: 1 })
+  assert.equal(page.items[0].dataValue, '')
+  assert.equal(page.pageSize, 15)
+  assert.equal(toDedupeTotalItem({ id: 10, dataValue: 'v' })?.dataValue, 'v')
+})
+
+test('test_task_062_dedupe_list_invalid_input_rejected', () => {
+  // 异常输入：success=false 抛后端 message；缺 id 行不入列表。
+  assert.throws(() => parseDedupeTotalPage({ success: false, message: '无权访问数据去重总数据' }), /无权访问/)
+  assert.equal(toDedupeTotalItem('garbage'), null)
+})
+
+test('test_task_062_dedupe_list_dependency_failure_returns_actionable_message', () => {
+  // 依赖失败/加载走 adapter：GET /api/admin/dedupe-total-data + 共享筛选归一，页面不内联。
+  const api = readSource('src/pages/asin/dedupe-total-api.ts')
+  assert.match(api, /dedupe-total-data/)
+  assert.match(api, /http\.get/)
+  assert.match(api, /parseDedupeTotalPage/)
+  assert.match(api, /normalizeAsinPageParams|toAsinPageQuery/)
+  const model = readSource('src/pages/asin/dedupe-total-model.ts')
+  assert.equal(/axios|http\./.test(model), false, '去重列表解析保持纯逻辑')
+})