feat(companion): 全面扩展同城生活陪伴体系（陪吃·陪喝·陪玩），完成TDD测试与安全核销闭环

server/src/core/activity/activity.service.ts

@@ -8,6 +8,7 @@ export interface Activity {
   creatorId: number;
   title: string;
   gameCategory: string;
+  location?: string;
   payType: ActivityPayType;
   totalFeeCents?: number;
   aaFeeCents?: number;
@@ -34,6 +35,7 @@ export class ActivityService {
     creatorId: number;
     title: string;
     gameCategory: string;
+    location?: string;
     payType: ActivityPayType;
     totalFeeCents?: number;
     aaFeeCents?: number;
@@ -45,6 +47,7 @@ export class ActivityService {
       creatorId: params.creatorId,
       title: params.title,
       gameCategory: params.gameCategory,
+      location: params.location,
       payType: params.payType,
       totalFeeCents: params.totalFeeCents,
       aaFeeCents: params.aaFeeCents,

server/src/core/companion/service-category.ts

@@ -0,0 +1,94 @@
+/**
+ * 陪伴服务赛道与品类管理核心
+ * 支持【线上游戏陪玩】与【同城线下陪玩·陪吃·陪喝】多维服务形态
+ */
+
+export enum CompanionTrack {
+  ONLINE_GAME = 'ONLINE_GAME',       // 线上游戏陪玩 (王者/和平/LOL等)
+  OFFLINE_PLAY = 'OFFLINE_PLAY',     // 线下同城陪玩 (桌游/剧本杀/运动/漫展)
+  OFFLINE_MEAL = 'OFFLINE_MEAL',     // 线下同城陪吃 (网红探店/火锅/餐厅饭搭子)
+  OFFLINE_DRINK = 'OFFLINE_DRINK',   // 线下同城陪喝 (咖啡下午茶/茶室清吧)
+}
+
+export enum ExpenseBurdenType {
+  AA_SHARE = 'AA_SHARE',       // 现场消费 AA 制各自付
+  BUYER_TREAT = 'BUYER_TREAT', // 客户全包请客
+  SELF_CARE = 'SELF_CARE',     // 大神自理
+}
+
+export interface ServiceItem {
+  id: string;
+  track: CompanionTrack;
+  title: string;
+  gameName?: string;
+  city?: string;
+  venueType?: string;
+  unitPriceCents: number;
+  unit: string;
+}
+
+export interface CreateServiceItemDto {
+  track: CompanionTrack;
+  title: string;
+  gameName?: string;
+  city?: string;
+  venueType?: string;
+  unitPriceCents: number;
+  unit: string;
+}
+
+// 严禁私人隐蔽场所列表 (安全风控红线)
+const UNSAFE_VENUE_PATTERNS = [/私人住宅/, /私人公寓/, /酒店客房/, /私密/];
+
+export class ServiceCategoryManager {
+  private idCounter = 1000;
+
+  getAllTracks(): CompanionTrack[] {
+    return [
+      CompanionTrack.ONLINE_GAME,
+      CompanionTrack.OFFLINE_PLAY,
+      CompanionTrack.OFFLINE_MEAL,
+      CompanionTrack.OFFLINE_DRINK,
+    ];
+  }
+
+  getExpenseBurdenTypes(): ExpenseBurdenType[] {
+    return [
+      ExpenseBurdenType.AA_SHARE,
+      ExpenseBurdenType.BUYER_TREAT,
+      ExpenseBurdenType.SELF_CARE,
+    ];
+  }
+
+  createServiceItem(dto: CreateServiceItemDto): ServiceItem {
+    if (dto.track === CompanionTrack.ONLINE_GAME) {
+      if (!dto.gameName || dto.gameName.trim() === '') {
+        throw new Error('线上游戏陪玩服务必须指定具体游戏品类');
+      }
+    } else {
+      // 线下陪玩、陪吃、陪喝安全校验
+      if (!dto.city || dto.city.trim() === '') {
+        throw new Error('线下陪伴服务必须指定服务城市');
+      }
+
+      if (dto.venueType) {
+        for (const pattern of UNSAFE_VENUE_PATTERNS) {
+          if (pattern.test(dto.venueType)) {
+            throw new Error('安全风控触发: 线下陪伴服务仅限在合法的公开商业场所履约，禁止私人住宅或私密空间');
+          }
+        }
+      }
+    }
+
+    return {
+      id: `srv_${++this.idCounter}`,
+      track: dto.track,
+      title: dto.title,
+      gameName: dto.gameName,
+      city: dto.city,
+      venueType: dto.venueType,
+      unitPriceCents: dto.unitPriceCents,
+      unit: dto.unit,
+    };
+  }
+}

server/src/core/order/companion-order.service.ts

@@ -0,0 +1,134 @@
+import { OrderStatus } from './order-state-machine';
+import { CompanionTrack, ExpenseBurdenType } from '../companion/service-category';
+
+export interface GameDetails {
+  gameName: string;
+  gameId: string;
+  serverDistrict?: string;
+}
+
+export interface OfflineDetails {
+  city: string;
+  venueName: string;
+  meetTime: string;
+  expenseBurden: ExpenseBurdenType;
+}
+
+export interface CreateOrderParams {
+  buyerId: number;
+  expertId: number;
+  track: CompanionTrack;
+  serviceTitle: string;
+  hours: number;
+  totalAmountCents: number;
+  gameDetails?: GameDetails;
+  offlineDetails?: OfflineDetails;
+}
+
+export interface CompanionOrder {
+  id: string;
+  buyerId: number;
+  expertId: number;
+  track: CompanionTrack;
+  serviceTitle: string;
+  hours: number;
+  totalAmountCents: number;
+  status: OrderStatus;
+  gameDetails?: GameDetails;
+  offlineDetails?: OfflineDetails;
+  offlineVerifyCode?: string;
+  checkedInAt?: Date;
+  createdAt: Date;
+}
+
+export class CompanionOrderService {
+  private orders = new Map<string, CompanionOrder>();
+  private orderCounter = 1000;
+
+  createOrder(params: CreateOrderParams): CompanionOrder {
+    if (params.track !== CompanionTrack.ONLINE_GAME) {
+      if (
+        !params.offlineDetails ||
+        !params.offlineDetails.city?.trim() ||
+        !params.offlineDetails.venueName?.trim()
+      ) {
+        throw new Error('线下陪伴订单必须提供有效服务城市与公开碰面场所');
+      }
+    }
+
+    const orderId = `ord_${Date.now()}_${++this.orderCounter}`;
+    const order: CompanionOrder = {
+      id: orderId,
+      buyerId: params.buyerId,
+      expertId: params.expertId,
+      track: params.track,
+      serviceTitle: params.serviceTitle,
+      hours: params.hours,
+      totalAmountCents: params.totalAmountCents,
+      status: OrderStatus.PENDING_PAYMENT,
+      gameDetails: params.gameDetails,
+      offlineDetails: params.offlineDetails,
+      createdAt: new Date(),
+    };
+
+    this.orders.set(orderId, order);
+    return order;
+  }
+
+  payOrder(orderId: string): CompanionOrder {
+    const order = this.orders.get(orderId);
+    if (!order) throw new Error('订单不存在');
+    if (order.status !== OrderStatus.PENDING_PAYMENT) {
+      throw new Error(`订单状态 [${order.status}] 不允许支付`);
+    }
+
+    order.status = OrderStatus.PENDING_ACCEPT;
+    return order;
+  }
+
+  expertAccept(orderId: string, expertId: number): CompanionOrder {
+    const order = this.orders.get(orderId);
+    if (!order) throw new Error('订单不存在');
+    if (order.expertId !== expertId) throw new Error('非接单大神无权操作');
+    if (order.status !== OrderStatus.PENDING_ACCEPT) {
+      throw new Error(`订单当前状态 [${order.status}] 不可接单`);
+    }
+
+    if (order.track === CompanionTrack.ONLINE_GAME) {
+      order.status = OrderStatus.IN_SERVICE;
+    } else {
+      // 线下陪玩/陪吃/陪喝：生成4位纯数字现场到场核销码 (1000-9999)
+      order.offlineVerifyCode = String(Math.floor(1000 + Math.random() * 9000));
+      // 线下订单状态置为待现场碰面核销确认
+      order.status = OrderStatus.PENDING_CONFIRM;
+    }
+
+    return order;
+  }
+
+  verifyOfflineCheckin(params: {
+    orderId: string;
+    operatorExpertId: number;
+    verifyCode: string;
+  }): { success: boolean; order: CompanionOrder } {
+    const order = this.orders.get(params.orderId);
+    if (!order) throw new Error('订单不存在');
+
+    if (order.expertId !== params.operatorExpertId) {
+      throw new Error('无权核销该订单');
+    }
+
+    if (order.checkedInAt) {
+      throw new Error('该订单已完成现场核销签到');
+    }
+
+    if (!order.offlineVerifyCode || order.offlineVerifyCode !== params.verifyCode) {
+      throw new Error('现场核销码错误');
+    }
+
+    order.checkedInAt = new Date();
+    order.status = OrderStatus.IN_SERVICE;
+
+    return { success: true, order };
+  }
+}