Method scrollToBottom

web/src/utils/scrollController.js:86–136

* 智能滚动到底部 * @param {boolean} force - 是否强制滚动

(force = false)

   * @param {boolean} force - 是否强制滚动
   */
  async scrollToBottom(force = false) {
    await nextTick()
    // 等待 DOM 布局稳定
    await this.waitForLayoutStable()

    // 只有在应该自动滚动时才执行（除非强制）
    if (!force && !this.shouldAutoScroll) return

    const container = this.getContainer()
    if (!container) return

    // 标记为程序性滚动
    this.isProgrammaticScroll = true

    // 记录滚动前的容器高度
    const initialHeight = container.scrollHeight

    const scrollOptions = {
      top: container.scrollHeight,
      behavior: 'smooth'
    }

    // 立即滚动
    container.scrollTo(scrollOptions)

    // 多次重试确保滚动成功，包括等待输入框等动态元素布局完成
    const retryDelays = [50, 100, 200, 400]
    retryDelays.forEach((delay, index) => {
      setTimeout(() => {
        if (force || this.shouldAutoScroll) {
          this.isProgrammaticScroll = true
          const behavior = index === retryDelays.length - 1 ? 'auto' : 'smooth'

          // 如果高度变化了，说明可能有动态内容正在渲染，再次等待
          if (container.scrollHeight !== initialHeight && index < retryDelays.length - 1) {
            this.waitForLayoutStable().then(() => {
              container.scrollTo({
                top: container.scrollHeight,
                behavior
              })
            })
          } else {
            container.scrollTo({
              top: container.scrollHeight,
              behavior
            })
          }
        }
      }, delay)
    })
  }

  async scrollToBottomStaticForce() {
    const container = this.getContainer()