Method removeWaiter

src/main/api/plugin/tools.ts:298–308

* 在超时或结束后移除单个 waiter，避免残留无效回调。

(waiterKey: string, target: () => void)

   * 在超时或结束后移除单个 waiter，避免残留无效回调。
   */
  private removeWaiter(waiterKey: string, target: () => void): void {
    const waiters = this.waiters.get(waiterKey)
    if (!waiters?.length) return

    const nextWaiters = waiters.filter((waiter) => waiter !== target)
    if (nextWaiters.length > 0) {
      this.waiters.set(waiterKey, nextWaiters)
    } else {
      this.waiters.delete(waiterKey)
    }
  }

  /**
   * 为单个 WebContents + toolName 生成稳定的 waiter 键。