feat: 同步管理端、用户端与后端业务，并接通线上 Web 接口

补齐平台订阅、外部登录、CRM 同步与用户端页面；Nginx 转发用户端接口，登录页使用 Google 与 Apple 标志。

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/test/modules/crm/radar-aggregation.test.ts

@@ -43,3 +43,90 @@ describe('性能与防 OOM: 雷达国家分布与时段统计原生 SQL 聚合
     expect(result[0].avgStayDurationMs).toBe(45000);
   });
 });
+
+describe('R25: 语言占比与设备占比必须来自足迹真实计数', () => {
+  let radarService: CrmRadarService;
+  let trackList: any[];
+
+  beforeEach(() => {
+    trackList = [];
+    radarService = new CrmRadarService();
+    radarService.crmTrackEntity = {
+      find: jest.fn(async (options?: any) => {
+        let list = [...trackList];
+        if (options?.where?.cardId !== undefined) {
+          list = list.filter((t) => Number(t.cardId) === Number(options.where.cardId));
+        }
+        return list;
+      }),
+    } as any;
+  });
+
+  it('无足迹时语言占比与设备占比均返回空数组，不得填示例语言或零值渠道', async () => {
+    const languages = await radarService.getLanguageStats();
+    const devices = await radarService.getDeviceStats();
+
+    expect(languages).toEqual([]);
+    expect(devices).toEqual([]);
+    expect(JSON.stringify(languages)).not.toMatch(/zh-CN|en-US|ar-SA|English|中文/i);
+    expect(JSON.stringify(devices)).not.toMatch(/iPhone|Android|iOS|Samsung/i);
+  });
+
+  it('足迹无 language/locale 字段时语言占比仍为空，不得用国家或固定比例冒充', async () => {
+    trackList = [
+      { id: 1, cardId: 10, country: 'United States', touchType: 'nfc' },
+      { id: 2, cardId: 10, country: 'Germany', touchType: 'qr' },
+    ];
+
+    const languages = await radarService.getLanguageStats(10);
+    expect(languages).toEqual([]);
+    expect(languages.map((i) => i.percentage)).not.toEqual([40, 35, 25]);
+  });
+
+  it('设备占比按 touchType 真实计数，仅返回有数据的类型与占比', async () => {
+    trackList = [
+      { id: 1, cardId: 10, touchType: 'nfc' },
+      { id: 2, cardId: 10, touchType: 'nfc' },
+      { id: 3, cardId: 10, touchType: 'qr' },
+      { id: 4, cardId: 10, touchType: 'link' },
+    ];
+
+    const devices = await radarService.getDeviceStats(10);
+    expect(devices).toHaveLength(3);
+
+    const byType = Object.fromEntries(devices.map((d) => [d.type, d]));
+    expect(byType.nfc.count).toBe(2);
+    expect(byType.nfc.percentage).toBe(50);
+    expect(byType.qr.count).toBe(1);
+    expect(byType.qr.percentage).toBe(25);
+    expect(byType.link.count).toBe(1);
+    expect(byType.link.percentage).toBe(25);
+    expect(devices.every((d) => d.count > 0)).toBe(true);
+  });
+
+  it('仅出现部分渠道时不补齐未出现的 nfc/qr/link 零值行', async () => {
+    trackList = [
+      { id: 1, cardId: 10, touchType: 'nfc' },
+      { id: 2, cardId: 10, touchType: 'nfc' },
+    ];
+
+    const devices = await radarService.getDeviceStats(10);
+    expect(devices).toEqual([{ type: 'nfc', count: 2, percentage: 100 }]);
+  });
+
+  it('若足迹带有 language 字段则按真实计数聚合语言占比', async () => {
+    trackList = [
+      { id: 1, cardId: 10, language: 'en-US', touchType: 'link' },
+      { id: 2, cardId: 10, language: 'en-US', touchType: 'link' },
+      { id: 3, cardId: 10, language: 'ar-SA', touchType: 'qr' },
+    ];
+
+    const languages = await radarService.getLanguageStats(10);
+    expect(languages).toHaveLength(2);
+    const byLang = Object.fromEntries(languages.map((l) => [l.language, l]));
+    expect(byLang['en-US'].count).toBe(2);
+    expect(byLang['en-US'].percentage).toBeCloseTo(66.7, 0);
+    expect(byLang['ar-SA'].count).toBe(1);
+    expect(byLang['ar-SA'].percentage).toBeCloseTo(33.3, 0);
+  });
+});