fix: JsParserExecutor 和 JsHttpClient 添加资源清理，修复解析完成后资源泄漏

- JsHttpClient 添加 close() 方法释放 WebClient 连接池
- JsParserExecutor 添加 close() 方法，清除 ScriptEngine 中注入的 Java 对象引用
- parse()/parseFileList()/parseById() 均在 onComplete 回调中调用 close() 释放资源

parser/src/main/java/cn/qaiu/parser/customjs/JsHttpClient.java

@@ -61,7 +61,7 @@ public class JsHttpClient {
     };
     
     public JsHttpClient() {
-        this.client = WebClient.create(WebClientVertxInit.get(), new WebClientOptions());;
+        this.client = WebClient.create(WebClientVertxInit.get(), new WebClientOptions());
         this.clientSession = WebClientSession.create(client);
         this.headers = MultiMap.caseInsensitiveMultiMap();
         // 设置默认的Accept-Encoding头以支持压缩响应
@@ -677,4 +677,13 @@ public class JsHttpClient {
             return buffer.length();
         }
     }
+
+    /**
+     * 关闭 WebClient 释放连接池资源
+     */
+    public void close() {
+        if (client != null) {
+            client.close();
+        }
+    }
 }

parser/src/main/java/cn/qaiu/parser/customjs/JsParserExecutor.java

@@ -146,6 +146,22 @@ public class JsParserExecutor implements IPanTool {
         }
     }
     
+    /**
+     * 释放资源（ScriptEngine 和 HttpClient），避免内存泄漏
+     */
+    public void close() {
+        if (httpClient != null) {
+            httpClient.close();
+        }
+        // 清除 ScriptEngine 持有的 Java 对象引用，帮助 GC 回收
+        if (engine != null) {
+            engine.put("http", null);
+            engine.put("logger", null);
+            engine.put("shareLinkInfo", null);
+            engine.put("JavaFetch", null);
+        }
+    }
+
     @Override
     public Future<String> parse() {
         jsLogger.info("开始执行JavaScript解析器: {}", config.getType());
@@ -173,7 +189,7 @@ public class JsParserExecutor implements IPanTool {
             } else {
                 throw new RuntimeException("parse函数类型错误");
             }
-        });
+        }).onComplete(ar -> close());
     }
     
     @Override
@@ -206,7 +222,7 @@ public class JsParserExecutor implements IPanTool {
             } else {
                 throw new RuntimeException("parseFileList函数类型错误");
             }
-        });
+        }).onComplete(ar -> close());
     }
     
     @Override
@@ -237,7 +253,7 @@ public class JsParserExecutor implements IPanTool {
             } else {
                 throw new RuntimeException("parseById函数类型错误");
             }
-        });
+        }).onComplete(ar -> close());
     }
     
     /**