쿠폰 자동 입력 사이트 작성

## 적용된 변경사항

### 백엔드
- **`wos_coupons` 테이블에 `is_expired` 컬럼 추가** (TypeORM synchronize로 자동 생성)
- **`redeemAll` 로직 개선**:
  - 이미 `성공` / `이미 수령` 로그 있는 쿠폰 → 자동 **스킵** (재지급 안 함)
  - `err_code: 40008` (RECEIVED) → **성공** 처리 (`이미 수령` 메시지)
  - `err_code: 40007` (TIME ERROR) → DB에서 `is_expired = true, is_active = false` 업데이트
- **매일 오전 9시 자동 실행** (`@Cron('0 0 9 * * *')`) - 저장된 모든 유저에게 미수령 쿠폰 자동 지급

### 프론트엔드
- **삭제 버튼 제거**
- 만료된 쿠폰은 **보라색 "만료" 배지** 표시, 토글 버튼 숨김
- 활성 쿠폰 카운트에서 만료 제외

back/src/wos/wos.service.ts

@@ -1,6 +1,7 @@
-import { Injectable, HttpException, HttpStatus } from '@nestjs/common';
+import { Injectable, HttpException, HttpStatus, Logger } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
-import { Repository } from 'typeorm';
+import { Repository, In } from 'typeorm';
+import { Cron, CronExpression } from '@nestjs/schedule';
 import axios from 'axios';
 import * as crypto from 'crypto';
 import { WosUser } from '../entities/wos-user.entity';
@@ -19,18 +20,13 @@ const COMMON_HEADERS = {
   'Accept-Language': 'ko-KR,ko;q=0.9,en;q=0.8',
 };
 
-const ERR_MESSAGES: Record<number, string> = {
-  20000: '쿠폰 코드가 존재하지 않습니다.',
-  20001: '이미 사용된 쿠폰입니다.',
-  20002: '만료된 쿠폰입니다.',
-  20003: '캡차 인증에 실패했습니다.',
-  40001: '존재하지 않는 플레이어 ID입니다.',
-  40004: '캡차 입력이 올바르지 않습니다.',
-  40014: '캡차 세션이 만료되었습니다. 다시 시도해주세요.',
-};
+const SUCCESS_MSG = '성공';
+const ALREADY_MSG = '이미 수령';
 
 @Injectable()
 export class WosService {
+  private readonly logger = new Logger(WosService.name);
+
   constructor(
     @InjectRepository(WosUser)
     private wosUserRepo: Repository<WosUser>,
@@ -58,7 +54,7 @@ export class WosService {
     const data = response.data;
     if (data.code !== 0) {
       throw new HttpException(
-        ERR_MESSAGES[data.err_code] || `오류가 발생했습니다. (${data.err_code})`,
+        data.msg || `오류가 발생했습니다. (${data.err_code})`,
         HttpStatus.BAD_REQUEST,
       );
     }
@@ -96,49 +92,70 @@ export class WosService {
     return sessionValue;
   }
 
-  private async redeemOne(fid: string, code: string, captcha: string, session: string): Promise<string> {
+  private async redeemOne(
+    fid: string,
+    code: string,
+    session: string,
+  ): Promise<{ success: boolean; message: string; err_code?: number }> {
     const timestamp = Date.now();
     const sign = this.makeSign(fid, timestamp);
 
     const response = await axios.post(
       `${WOS_API_BASE}/gift_code`,
-      new URLSearchParams({ fid, time: String(timestamp), sign, cdk: code, validate: captcha }),
+      new URLSearchParams({ fid, time: String(timestamp), sign, cdk: code, validate: '1' }),
       { headers: { ...COMMON_HEADERS, Cookie: session } },
     );
 
     const data = response.data;
-    if (data.code === 0) return '성공';
-    return ERR_MESSAGES[data.err_code] || `실패 (err_code: ${data.err_code})`;
+    if (data.code === 0) return { success: true, message: SUCCESS_MSG };
+    return { success: false, message: data.msg || `실패 (${data.err_code})`, err_code: data.err_code };
   }
 
   async redeemAll(fid: string) {
-    const activeCoupons = await this.wosCouponRepo.find({ where: { is_active: true } });
+    const activeCoupons = await this.wosCouponRepo.find({
+      where: { is_active: true, is_expired: false },
+    });
     if (activeCoupons.length === 0) return [];
 
+    const existingLogs = await this.couponLogRepo.find({
+      where: { fid, result_msg: In([SUCCESS_MSG, ALREADY_MSG]) },
+    });
+    const alreadySucceeded = new Set(existingLogs.map((l) => l.coupon_code));
+
     const results: { name: string; code: string; status: string; message: string }[] = [];
     let session = await this.acquireSession(fid);
 
     for (const coupon of activeCoupons) {
-      let message = '';
-      let status = 'error';
-
-      try {
-        message = await this.redeemOne(fid, coupon.code, '1', session);
-
-        if (message.includes('캡차') || message.includes('세션')) {
-          session = await this.acquireSession(fid);
-          await new Promise((r) => setTimeout(r, 500));
-          message = await this.redeemOne(fid, coupon.code, '1', session);
-        }
-
-        status = message === '성공' ? 'success' : 'error';
-      } catch (err: any) {
-        message = err.message || '오류 발생';
-        status = 'error';
+      if (alreadySucceeded.has(coupon.code)) {
+        results.push({ name: coupon.name, code: coupon.code, status: 'skipped', message: '이미 지급 완료' });
+        continue;
       }
 
-      await this.couponLogRepo.save({ fid, coupon_code: coupon.code, result_msg: message });
-      results.push({ name: coupon.name, code: coupon.code, status, message });
+      let result: { success: boolean; message: string; err_code?: number };
+      try {
+        result = await this.redeemOne(fid, coupon.code, session);
+
+        if (result.err_code === 40014 || result.err_code === 40004) {
+          session = await this.acquireSession(fid);
+          await new Promise((r) => setTimeout(r, 500));
+          result = await this.redeemOne(fid, coupon.code, session);
+        }
+      } catch (err: any) {
+        result = { success: false, message: err.message || '오류 발생' };
+      }
+
+      if (result.err_code === 40008) {
+        result = { success: true, message: ALREADY_MSG, err_code: 40008 };
+      }
+
+      if (result.err_code === 40007) {
+        await this.wosCouponRepo.update(coupon.id, { is_expired: true, is_active: false });
+        result.message = '만료된 쿠폰';
+      }
+
+      const status = result.success ? 'success' : 'error';
+      await this.couponLogRepo.save({ fid, coupon_code: coupon.code, result_msg: result.message });
+      results.push({ name: coupon.name, code: coupon.code, status, message: result.message });
 
       await new Promise((r) => setTimeout(r, 1000));
     }
@@ -146,6 +163,22 @@ export class WosService {
     return results;
   }
 
+  @Cron('0 0 9 * * *')
+  async scheduledRedeemAll() {
+    this.logger.log('자동 쿠폰 지급 시작...');
+    const users = await this.wosUserRepo.find();
+    for (const user of users) {
+      try {
+        await this.redeemAll(user.fid);
+        this.logger.log(`[${user.fid}] ${user.nickname} 지급 완료`);
+      } catch (err: any) {
+        this.logger.error(`[${user.fid}] 지급 실패: ${err.message}`);
+      }
+      await new Promise((r) => setTimeout(r, 2000));
+    }
+    this.logger.log('자동 쿠폰 지급 완료');
+  }
+
   async getHistory(fid: string) {
     return this.couponLogRepo.find({
       where: { fid },
@@ -167,9 +200,10 @@ export class WosService {
     if (exists) {
       exists.name = name;
       exists.is_active = true;
+      exists.is_expired = false;
       return this.wosCouponRepo.save(exists);
     }
-    return this.wosCouponRepo.save({ name, code, is_active: true });
+    return this.wosCouponRepo.save({ name, code, is_active: true, is_expired: false });
   }
 
   async toggleCoupon(id: number, is_active: boolean) {