refactor(i18n): 全工程面向国际用户与全球现代商务重构，彻底清理出海跨境等单向视角表达并对齐自动化测试

backend/test/modules/crm/workplace.test.ts

@@ -1,6 +1,7 @@
 import { AdminCrmRadarController } from '../../../src/modules/crm/controller/admin/radar';
 import {
   buildWorkplaceOverview,
+  calculateTrackIntentScore,
   CrmRadarService,
 } from '../../../src/modules/crm/service/radar';
 import { CrmTrackEntity } from '../../../src/modules/crm/entity/track';
@@ -152,4 +153,97 @@ describe('商务概览工作台聚合 (getWorkplaceOverview)', () => {
     expect(res.data.kpis.viewCount).toBe(2);
     expect(controller.crmRadarService.getWorkplaceOverview).toHaveBeenCalled();
   });
+
+  describe('数据专家重构：科学意向度与会话降噪增强', () => {
+    it('科学意向分算法 (calculateTrackIntentScore) 必须符合多因子阶梯模型', () => {
+      // 1. 直链 0 秒跳出，无任何浏览与滚动：低意向分 (10分)
+      const bounceScore = calculateTrackIntentScore({
+        touchType: 'link',
+        stayDurationMs: 0,
+        scrollDepth: 0,
+        viewedBlocks: [],
+      });
+      expect(bounceScore).toBe(10);
+
+      // 2. NFC 面对面触碰初始分：天然高权重 (35分)
+      const nfcInitialScore = calculateTrackIntentScore({
+        touchType: 'nfc',
+        stayDurationMs: 0,
+      });
+      expect(nfcInitialScore).toBe(35);
+
+      // 3. QR 扫码 + 30秒研读 + 2个模块 + 深度滚动：高意向买家 (25 + 20 + 10 + 10 = 65分)
+      const engagedScore = calculateTrackIntentScore({
+        touchType: 'qr',
+        stayDurationMs: 30000,
+        viewedBlocks: ['hero', 'products'],
+        scrollDepth: 75,
+      });
+      expect(engagedScore).toBe(65);
+
+      // 4. NFC 触碰 + 150秒深读 + 4个模块 + 深度滚动：极高意向买家 (封顶 99分)
+      const hotScore = calculateTrackIntentScore({
+        touchType: 'nfc',
+        stayDurationMs: 150000,
+        viewedBlocks: ['hero', 'products', 'cases', 'contact'],
+        scrollDepth: 95,
+      });
+      expect(hotScore).toBe(99);
+    });
+
+    it('buildWorkplaceOverview 应实现会话去噪与合并，并填充名片名称和本地标记', () => {
+      const cardList = [
+        { id: 1, name: 'Alex Chen', title: '全球商务总监' },
+      ];
+
+      // 同一访客 vis_101 先产生了 0 秒 PV，又更新了 45 秒有效停留
+      const t1 = track({
+        id: 10,
+        cardId: 1,
+        touchType: 'link',
+        country: 'Local',
+        city: 'Local',
+        stayDurationMs: 0,
+        createTime: new Date('2026-09-21T10:00:00'),
+      });
+      t1.visitorId = 'vis_101';
+
+      const t2 = track({
+        id: 11,
+        cardId: 1,
+        touchType: 'link',
+        country: 'Local',
+        city: 'Local',
+        stayDurationMs: 45000,
+        viewedBlocks: ['products'],
+        createTime: new Date('2026-09-21T10:01:00'),
+      });
+      t2.visitorId = 'vis_101';
+
+      const result = buildWorkplaceOverview(
+        [t1, t2],
+        [],
+        now,
+        10,
+        cardList
+      );
+
+      // 验证 1：去噪合并后同一会话只保留 1 条记录
+      expect(result.radarFeed).toHaveLength(1);
+      const feedItem = result.radarFeed[0];
+
+      // 验证 2：停留时长采用合并后的最高值 45 秒
+      expect(feedItem.stayDurationMs).toBe(45000);
+      expect(feedItem.viewedBlocks).toContain('products');
+
+      // 验证 3：名片名称正确注入
+      expect(feedItem.cardTitle).toBe('Alex Chen · 全球商务总监');
+
+      // 验证 4：识别为本地环境
+      expect(feedItem.isLocal).toBe(true);
+
+      // 验证 5：意向分由后端自动算出并大于 0 秒跳出分
+      expect(feedItem.intentScore).toBeGreaterThan(10);
+    });
+  });
 });