🐞fix(player/automix): 修复自动混音过渡时桌面歌词与 macOS 状态栏信息不更新的问题

[Pissofdvpe]

• 在 setupSongUI 函数中增加显式的元数据通知逻辑，确保所有平台歌词组件信息同步：
  • 调用 playerIpc.sendSongChange 主动通知桌面歌词更新歌曲名称与艺术家。
  • 在 macOS 平台发送 mac-statusbar:update-progress 消息，初始化状态栏进度与显示。
• 解决平滑过渡模式下的数据竞态：
  • 修复 AutoMix 模式下底层音频加载先于 UI 切换，导致 canplay 事件触发时 musicStore.playSong 尚未更新的问题。
  • 通过在 UI 实际切换点再次主动推送元数据，覆盖之前由于竞态发送的旧歌信息，确保歌词组件信息准确。

[gemini-code-assist]

Summary of Changes

Hello @Pissofdvpe, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

此拉取请求解决了在自动混音过渡期间，桌面歌词和 macOS 状态栏信息未能及时更新的关键同步问题。它在播放器 UI 设置过程中引入了显式的元数据更新机制，并解决了一个导致显示过时歌曲信息的数据竞态问题，从而提升了平滑歌曲过渡的用户体验。

Highlights

• 桌面歌词与 macOS 状态栏更新: 修复了在自动混音过渡期间，桌面歌词和 macOS 状态栏信息未能及时更新的问题，通过在 setupSongUI 函数中增加显式的元数据通知逻辑来确保信息同步。
• 解决数据竞态: 解决了在 AutoMix 平滑过渡模式下，由于底层音频加载先于 UI 切换导致的数据竞态问题，确保歌词组件显示准确的歌曲信息。

Changelog

• src/core/player/PlayerController.ts
  • 增加了在 Electron 环境下主动通知桌面歌词更新歌曲元数据的逻辑。
  • 为 macOS 平台添加了在自动混音过渡时更新状态栏进度的功能。
  • 修复了因数据竞态导致歌词信息不同步的问题。

Activity

• 拉取请求已创建，等待审查。

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Code Review

这个 PR 旨在修复在自动混音过渡期间桌面歌词和 macOS 状态栏信息不更新的问题。为此，代码中增加了显式发送元数据通知的逻辑。获取 album 并将其传递给 sendSongChange 的改动是正确的。关于更新 macOS 状态栏进度，审查意见中提出的问题和建议是有效的：代码使用了一个新的、未被处理的 IPC 通道 mac-statusbar:update-progress。建议使用现有的、已被处理的 IPC 机制来修正这个错误，这也能提高代码的一致性。