feat: 完成全系统30个功能点开发与E2E全链路验收 (8轮调度32个子代理闭环)

- 模块一: 出海案例作品集、博客动态发布、人名发音语音条、RTL阿语多语言切换
- 模块二: AI顾问人设配置、行业术语库润色、RAG切片沙盒调试、流式会话与意向留资卡片
- 模块三: 全球访客雷达大屏、多维加权意向算分、外部CRM对接推送、团队公海池流转
- 模块四: 移动端NFC安全挂失、NFC动态路由规则配置、动态防伪验签、展会制卡Zip批量导出
- 模块五: 组织架构与名片分配、移动端个人中心设置、离职交接与历史线索迁移、安全审计日志
- 模块六: Stripe国际信用卡订阅Webhook、独立二级域名与SSL检测、坐席配额预警、多币种发票
- 模块七: 纸质名片OCR解析入库、国际商务日程RFC 5545 ICS日历、微官网离线SWR预加载、展会实时排行榜大屏
- 模块八: 全球出海SEO OpenGraph元标签注入与社交爬虫探测、30点端到端全链路业务流集成测试套件

backend/src/modules/nfc/entity/device.ts

@@ -0,0 +1,73 @@
+import { BaseEntity } from '../../../comm/entity/base';
+import { Column, Entity, Index } from 'typeorm';
+import {
+  NFCMaterial,
+  NFCRecord,
+  NFCSceneMode,
+  NFCStatus,
+} from '../../../comm/types/omni';
+
+/**
+ * NFC 实体卡设备台账
+ * 表名: nfc_device
+ */
+@Entity('nfc_device')
+export class NfcDeviceEntity extends BaseEntity implements NFCRecord {
+  @Index({ unique: true })
+  @Column({
+    name: 'uid',
+    comment: '硬件唯一识别芯片 UID',
+    length: 64,
+  })
+  uid: string;
+
+  @Index()
+  @Column({
+    name: 'card_id',
+    comment: '当前绑定的名片 ID',
+    type: 'bigint',
+    nullable: true,
+  })
+  cardId?: number | null;
+
+  @Column({
+    name: 'batch_no',
+    comment: '硬件制造/下发批次号',
+    length: 64,
+  })
+  batchNo: string;
+
+  @Column({
+    name: 'material',
+    comment: '物理材质 wood/metal/pvc',
+    length: 16,
+    default: 'pvc',
+  })
+  material: NFCMaterial;
+
+  @Index()
+  @Column({
+    name: 'status',
+    comment: '设备状态 active/suspended/unbound',
+    length: 16,
+    default: 'unbound',
+  })
+  status: NFCStatus;
+
+  @Column({
+    name: 'scene_mode',
+    comment: '场景模式 business/social',
+    length: 16,
+    default: 'business',
+  })
+  sceneMode: NFCSceneMode;
+
+  @Column({
+    name: 'last_scanned_at',
+    comment: '最后一次被触碰扫描时间',
+    type: 'varchar',
+    length: 32,
+    nullable: true,
+  })
+  lastScannedAt?: string | Date | null;
+}