task-109(任务与重复分析中心): 实现店铺数据任务筛选

新增 shop-data-filter.ts：店铺名/分组/国家/创建时间区间筛选归一与 snake
查询序列化，页大小钳制 [10,100]。

TDD: task-109.test.ts 8 用例先 RED 后 GREEN。

admin-frontend-vue/src/pages/tasks/shop-data-filter.ts

@@ -0,0 +1,77 @@
+/** 店铺数据任务筛选与分页（任务 109）：与 Java AdminShopDataCrawlTasksController snake 契约对齐；纯逻辑。 */
+
+export const SHOP_DATA_DEFAULT_PAGE_SIZE = 20
+export const SHOP_DATA_MIN_PAGE_SIZE = 10
+export const SHOP_DATA_MAX_PAGE_SIZE = 100
+export const SHOP_DATA_PAGE_MIN = 1
+
+const LOCAL_DATETIME = /^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}(:\d{2})?$/
+
+export interface ShopDataFilter {
+  shopName: string
+  groupName: string
+  country: string
+  createdFrom: string
+  createdTo: string
+}
+
+export interface ShopDataQuery {
+  page: number
+  page_size: number
+  shop_name?: string
+  group_name?: string
+  country?: string
+  created_from?: string
+  created_to?: string
+}
+
+export function createShopDataFilter(): ShopDataFilter {
+  return { shopName: '', groupName: '', country: '', createdFrom: '', createdTo: '' }
+}
+
+function textOrUndefined(value: unknown): string | undefined {
+  const text = typeof value === 'string' ? value.trim() : ''
+  return text || undefined
+}
+
+function datetimeOrUndefined(value: unknown): string | undefined {
+  if (typeof value !== 'string') return undefined
+  const text = value.trim()
+  return LOCAL_DATETIME.test(text) ? text : undefined
+}
+
+export function shopDataFilterActive(filter: ShopDataFilter): boolean {
+  return Boolean(
+    filter.shopName.trim() ||
+      filter.groupName.trim() ||
+      filter.country.trim() ||
+      filter.createdFrom ||
+      filter.createdTo,
+  )
+}
+
+function finiteInt(value: unknown): number | null {
+  return typeof value === 'number' && Number.isFinite(value) ? Math.floor(value) : null
+}
+
+/** 前端状态 → Java 查询参数(snake_case，仅下发非空)。 */
+export function toShopDataQuery(filter: ShopDataFilter, page: unknown, pageSize: unknown): ShopDataQuery {
+  const safePage = Math.max(finiteInt(page) ?? SHOP_DATA_PAGE_MIN, SHOP_DATA_PAGE_MIN)
+  const rawSize = finiteInt(pageSize)
+  const pageSizeClamped =
+    rawSize === null || rawSize < 1
+      ? SHOP_DATA_DEFAULT_PAGE_SIZE
+      : Math.min(Math.max(rawSize, SHOP_DATA_MIN_PAGE_SIZE), SHOP_DATA_MAX_PAGE_SIZE)
+  const query: ShopDataQuery = { page: safePage, page_size: pageSizeClamped }
+  const shopName = textOrUndefined(filter.shopName)
+  if (shopName) query.shop_name = shopName
+  const groupName = textOrUndefined(filter.groupName)
+  if (groupName) query.group_name = groupName
+  const country = textOrUndefined(filter.country)
+  if (country) query.country = country
+  const createdFrom = datetimeOrUndefined(filter.createdFrom)
+  if (createdFrom) query.created_from = createdFrom
+  const createdTo = datetimeOrUndefined(filter.createdTo)
+  if (createdTo) query.created_to = createdTo
+  return query
+}

admin-frontend-vue/tests/task-109.test.ts

@@ -0,0 +1,75 @@
+import test from 'node:test'
+import assert from 'node:assert/strict'
+import { readSource } from './helpers.ts'
+import {
+  SHOP_DATA_DEFAULT_PAGE_SIZE,
+  SHOP_DATA_MAX_PAGE_SIZE,
+  createShopDataFilter,
+  shopDataFilterActive,
+  toShopDataQuery,
+} from '../src/pages/tasks/shop-data-filter.ts'
+
+test('test_task_109_shop_data_filter_normal_primary_path', () => {
+  // 正常主路径：完整筛选归一并序列化为 snake 查询参数。
+  const filter = { shopName: ' A店 ', groupName: '华东组', country: 'DE', createdFrom: '2026-01-01T10:00', createdTo: '2026-01-02T18:30' }
+  const query = toShopDataQuery(filter, 2, 20)
+  assert.equal(query.page, 2)
+  assert.equal(query.page_size, 20)
+  assert.equal(query.shop_name, 'A店')
+  assert.equal(query.group_name, '华东组')
+  assert.equal(query.country, 'DE')
+  assert.equal(query.created_from, '2026-01-01T10:00')
+  assert.equal(query.created_to, '2026-01-02T18:30')
+})
+
+test('test_task_109_shop_data_filter_normal_variant_input', () => {
+  // 正常变体：仅店铺名筛选下发；空国家不下发。
+  const query = toShopDataQuery({ shopName: '蓝店', groupName: '', country: '', createdFrom: '', createdTo: '' }, 1, 20)
+  assert.equal(query.shop_name, '蓝店')
+  assert.equal('country' in query, false)
+  assert.equal('group_name' in query, false)
+})
+
+test('test_task_109_shop_data_filter_repeated_is_idempotent', () => {
+  // 正常重复：归一不改输入、结果稳定。
+  const input = { shopName: ' X ', groupName: ' G ' }
+  assert.deepEqual(toShopDataQuery(input, 1, 20), toShopDataQuery(input, 1, 20))
+  assert.equal((input as { shopName: string }).shopName, ' X ')
+})
+
+test('test_task_109_shop_data_filter_boundary_empty_input', () => {
+  // 边界空值：空筛选回默认分页、无可选条件。
+  const query = toShopDataQuery(createShopDataFilter(), 0, 0)
+  assert.equal(query.page, 1)
+  assert.equal(query.page_size, SHOP_DATA_DEFAULT_PAGE_SIZE)
+  assert.deepEqual(Object.keys(query).sort(), ['page', 'page_size'])
+})
+
+test('test_task_109_shop_data_filter_boundary_single_item', () => {
+  // 边界单元素：仅分组筛选。
+  const query = toShopDataQuery({ shopName: '', groupName: 'G', country: '', createdFrom: '', createdTo: '' }, 1, 20)
+  assert.equal(query.group_name, 'G')
+})
+
+test('test_task_109_shop_data_filter_boundary_limit_or_missing_field', () => {
+  // 边界上限/缺字段：页大小钳制到上限；非法日期不下发。
+  const query = toShopDataQuery(createShopDataFilter(), 1, 999)
+  assert.equal(query.page_size, SHOP_DATA_MAX_PAGE_SIZE)
+  const q2 = toShopDataQuery({ shopName: '', groupName: '', country: '', createdFrom: 'bad', createdTo: '' }, 1, 20)
+  assert.equal('created_from' in q2, false)
+})
+
+test('test_task_109_shop_data_filter_invalid_input_rejected', () => {
+  // 异常输入：NaN 页码按缺省处理。
+  const query = toShopDataQuery(createShopDataFilter(), Number.NaN, Number.NaN)
+  assert.equal(query.page, 1)
+  assert.equal(query.page_size, SHOP_DATA_DEFAULT_PAGE_SIZE)
+})
+
+test('test_task_109_shop_data_filter_dependency_failure_returns_actionable_message', () => {
+  // 依赖失败/可操作：筛选纯逻辑、无框架/http。
+  const mod = readSource('src/pages/tasks/shop-data-filter.ts')
+  assert.equal(/axios|http\.|vue/.test(mod), false, '筛选模块保持纯逻辑')
+  assert.match(mod, /created_from/)
+  assert.match(mod, /group_name/)
+})