fix: captcha retry with 30s delay on OCR failure, max 2 attempts

back/src/wos/wos.service.ts

@@ -113,29 +113,40 @@ export class WosService {
     fid: string,
     code: string,
   ): Promise<{ success: boolean; message: string; err_code?: number }> {
-    let captchaCode: string;
-    try {
-      captchaCode = await this.solveCaptcha(fid);
-    } catch (err: any) {
-      return { success: false, message: `캡차 오류: ${err.message}` };
+    for (let attempt = 1; attempt <= 2; attempt++) {
+      if (attempt > 1) {
+        this.logger.warn(`[${fid}] ${code} 캡차 오인식, 30초 대기 후 재시도`);
+        await new Promise((r) => setTimeout(r, 30000));
+      }
+
+      let captchaCode: string;
+      try {
+        captchaCode = await this.solveCaptcha(fid);
+      } catch (err: any) {
+        return { success: false, message: `캡차 오류: ${err.message}` };
+      }
+
+      const ts = this.now();
+      const giftSign = this.makeGiftSign(fid, ts, code, captchaCode);
+      const response = await axios.post(
+        `${WOS_API_BASE}/gift_code`,
+        new URLSearchParams({ fid, time: String(ts), sign: giftSign, cdk: code, captcha_code: captchaCode }),
+        { headers: { ...COMMON_HEADERS } },
+      );
+
+      const data = response.data;
+      this.logger.log(`[${fid}] ${code} attempt=${attempt} captcha=${captchaCode} → code=${data.code} err=${data.err_code} msg=${data.msg}`);
+
+      if (data.code === 0) return { success: true, message: SUCCESS_MSG };
+      if (data.err_code === 40103 && attempt < 2) continue;
+      return {
+        success: false,
+        message: data.msg || `실패 (${data.err_code})`,
+        err_code: data.err_code,
+      };
     }
 
-    const ts = this.now();
-    const giftSign = this.makeGiftSign(fid, ts, code, captchaCode);
-    const response = await axios.post(
-      `${WOS_API_BASE}/gift_code`,
-      new URLSearchParams({ fid, time: String(ts), sign: giftSign, cdk: code, captcha_code: captchaCode }),
-      { headers: { ...COMMON_HEADERS } },
-    );
-
-    const data = response.data;
-    this.logger.log(`[${fid}] ${code} captcha=${captchaCode} → code=${data.code} err=${data.err_code} msg=${data.msg}`);
-
-    return {
-      success: data.code === 0,
-      message: data.code === 0 ? SUCCESS_MSG : (data.msg || `실패 (${data.err_code})`),
-      err_code: data.err_code,
-    };
+    return { success: false, message: '알 수 없는 오류' };
   }
 
   async redeemAll(fid: string) {