feat: 付费体系重构 P0 - 配额独立化/简历付费下载/PDF生成

backend/src/modules/member/member.controller.ts

@@ -5,6 +5,7 @@ import { User, UserDocument } from '../user/user.schema'
 import { PaymentOrder, PaymentOrderDocument } from '../payment/payment-order.schema'
 import { JwtAuthGuard } from '../../common/guards/jwt-auth.guard'
 import { CurrentUser } from '../../common/decorators/current-user.decorator'
+import { QuotaService } from '../user/quota.service'
 import { Public } from '../../common/decorators/public.decorator'
 
 const GROWTH_PRICE = 1990
@@ -24,14 +25,15 @@ const PLANS: Record<string, PlanConfig> = {
   free: {
     id: 'free', name: '免费版', price: 0, dailyLimit: FREE_DAILY_LIMIT,
     features: [
-      '每日 2 次 AI 模拟面试', '基础面试报告', '通用题库随机出题', '简历诊断（限 3 次）',
+      'AI 模拟面试 1 次（体验）', '基础面试报告', '通用题库随机出题', '简历优化（限 3 次免费）',
     ],
   },
   growth: {
     id: 'growth', name: '成长版', price: GROWTH_PRICE, dailyLimit: 999,
     features: [
-      '免费版全部权益', '无限面试次数', '详细面试报告（四维评分）',
+      '免费版全部权益', 'AI 数字人面试无限次', '详细面试报告（四维评分）',
       '进步轨迹雷达图 + 打卡', '每日一题推送', '参考回答思路', '公司真题库',
+      '简历优化 20 次/月', '简历下载 10 次/月',
     ],
   },
   sprint: {
@@ -39,6 +41,7 @@ const PLANS: Record<string, PlanConfig> = {
     features: [
       '成长版全部权益', 'AI 语音分析（语气词/语速检测）', '技能缺口分析报告',
       '学习路径推荐', '真人导师 1v1 点评（每月 1 次）', '简历精修（每月 1 次）', '内推优先',
+      '简历优化 50 次/月', '简历下载 30 次/月',
     ],
   },
 }
@@ -51,6 +54,7 @@ export class MemberController {
   constructor(
     @InjectModel(User.name) private userModel: Model<UserDocument>,
     @InjectModel(PaymentOrder.name) private orderModel: Model<PaymentOrderDocument>,
+    private quotaService: QuotaService,
   ) {}
 
   @Public()
@@ -82,6 +86,10 @@ export class MemberController {
       vipExpireAt: user.vipExpireAt,
       sprintExpireAt: user.sprintExpireAt,
       sprintRemaining: user.sprintRemaining || 0,
+      interviewCredits: user.interviewCredits ?? 1,
+      resumeOptimizeCredits: user.resumeOptimizeCredits ?? 0,
+      resumeDownloadCredits: user.resumeDownloadCredits ?? 0,
+      freeOptimizeUsed: user.freeOptimizeUsed ?? 0,
       isVip: user.plan !== 'free',
     }
   }
@@ -99,16 +107,19 @@ export class MemberController {
 
     const expireAt = new Date()
     expireAt.setDate(expireAt.getDate() + DURATION_DAYS)
+    const credits = { interview: 999, resumeOptimize: 20, resumeDownload: 10 }
     if (order.plan === 'sprint') {
       user.plan = 'sprint'
       user.sprintExpireAt = expireAt
       user.sprintRemaining = 10
+      credits.interview = 999
+      credits.resumeOptimize = 50
+      credits.resumeDownload = 30
     } else {
       user.plan = 'growth'
       user.vipExpireAt = expireAt
     }
-    user.remaining = 999
-    await user.save()
+    await this.quotaService.setPlanQuota(userId, order.plan, credits)
     return { success: true, plan: user.plan, planName: PLANS[user.plan]?.name, expireAt }
   }