add test

managers/proxy_manager.py

@@ -221,8 +221,9 @@ class ProxyManager:
                     if not explicit_type:
                         self._needs_detection.add(proxy.id)
             
+            random.shuffle(self._proxies)
             logger.info(f"Loaded {len(loaded)} proxies from {self.proxy_file}")
-            
+
             # Статистика по типам
             type_counts = defaultdict(int)
             for p in loaded:
@@ -374,6 +375,7 @@ class ProxyManager:
                 if all_used:
                     logger.info("All proxies used once, resetting used list")
                     self._used_ids.clear()
+                    random.shuffle(self._proxies)
 
                 logger.debug(f"No proxies available (attempt {attempt})")