Add ObjectPoolService for unified object pooling management

frontend/src/services/ObjectPoolService.ts

+// 对象池服务
+export class ObjectPoolService<T> {
+  private pool: T[] = [];
+  private factory: () => T;
+  private resetter?: (obj: T) => void;
+  private maxSize: number;
+
+  constructor(factory: () => T, resetter?: (obj: T) => void, maxSize: number = 100) {
+    this.factory = factory;
+    this.resetter = resetter;
+    this.maxSize = maxSize;
+  }
+
+  /**
+   * 从对象池获取对象
+   * @returns 对象实例
+   */
+  acquire(): T {
+    if (this.pool.length > 0) {
+      return this.pool.pop()!;
+    }
+    return this.factory();
+  }
+
+  /**
+   * 将对象归还到对象池
+   * @param obj 对象实例
+   */
+  release(obj: T): void {
+    if (this.resetter) {
+      this.resetter(obj);
+    }
+    
+    if (this.pool.length < this.maxSize) {
+      this.pool.push(obj);
+    }
+  }
+
+  /**
+   * 清空对象池
+   */
+  clear(): void {
+    this.pool = [];
+  }
+
+  /**
+   * 获取对象池当前大小
+   * @returns 对象池大小
+   */
+  size(): number {
+    return this.pool.length;
+  }
+}
\ No newline at end of file