Method registerShortcut

src/main/managers/windowManager.ts:638–691

* 注册全局快捷键（支持双击修饰键）

(shortcut?: string)

   * 注册全局快捷键（支持双击修饰键）
   */
  public registerShortcut(shortcut?: string): boolean {
    const keyToRegister = shortcut || this.currentShortcut

    // 保存旧的快捷键信息，用于注册失败时回滚
    const oldShortcut = this.currentShortcut
    const oldIsDoubleTapMode = this.isDoubleTapMode

    // 注销旧的呼出快捷键（仅注销当前快捷键，不影响其他全局快捷键）
    if (this.isDoubleTapMode) {
      const oldModifier = this.currentShortcut.split('+')[0]
      doubleTapManager.unregister(oldModifier)
    } else {
      globalShortcut.unregister(this.currentShortcut)
    }

    // 双击修饰键模式：通过 doubleTapManager 注册
    if (this.isDoubleTapShortcut(keyToRegister)) {
      const modifier = keyToRegister.split('+')[0]
      doubleTapManager.register(modifier, () => {
        this.toggleWindowFromDoubleTap()
      })
      this.currentShortcut = keyToRegister
      this.isDoubleTapMode = true
      console.log(`双击修饰键呼出快捷键 ${keyToRegister} 注册成功`)
      return true
    }

    // 普通快捷键模式：通过 globalShortcut 注册
    const ret = globalShortcut.register(keyToRegister, () => {
      this.toggleWindow()
    })

    if (!ret) {
      console.error(`快捷键注册失败: ${keyToRegister} 已被占用，回滚到旧快捷键: ${oldShortcut}`)
      // 注册失败，回滚：重新注册旧的快捷键
      if (oldIsDoubleTapMode) {
        const oldModifier = oldShortcut.split('+')[0]
        doubleTapManager.register(oldModifier, () => {
          this.toggleWindowFromDoubleTap()
        })
      } else {
        globalShortcut.register(oldShortcut, () => {
          this.toggleWindow()
        })
      }
      return false
    } else {
      this.currentShortcut = keyToRegister
      this.isDoubleTapMode = false
      console.log(`快捷键 ${keyToRegister} 注册成功`)
    }

    return ret
  }

  public setPreviousActiveWindow(
    windowInfo: {