feat: Implement thread-safe account and statistics management and integrate proxy support for all external requests.

gift_checker.py

@@ -1,6 +1,6 @@
 from curl_cffi import requests  # 用于模拟指纹
 
-from config import PRODUCT_ID
+from config import PRODUCT_ID, get_proxy
 from models import ClaudeAccount
 from identity import random_address
 
@@ -42,7 +42,7 @@ class GiftChecker:
 
         try:
             print(f"[*] 正在尝试扣款 (Gift Purchase)...")
-            resp = requests.post(url, json=payload, headers=headers, impersonate="chrome124")
+            resp = requests.post(url, json=payload, headers=headers, impersonate="chrome124", proxies=get_proxy())
             
             resp_json = {}
             try: