perf(MediaSessionManager): 减少时间线更新的节流间隔

[MoYingJi]

在 MPRIS 上，播放进度有时会有一些奇怪的延迟（最多慢 1~2s）

我尝试降低节流间隔，发现此问题有明显缓解（在我的电脑上测试 3 天，延迟被降低至 1s 以内）

此更改不应影响其他行为，包括其他操作系统的行为，也不应造成性能问题

[gemini-code-assist]

Summary of Changes

Hello @MoYingJi, 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!

此拉取请求旨在提高媒体会话时间线更新的响应速度，特别是解决在 MPRIS 上观察到的播放进度延迟问题。通过显著缩短时间线更新的节流间隔，预计此更改将缓解这些延迟，而不会对性能或在其他操作系统上的行为产生负面影响。

Highlights

• 节流间隔调整: 将 MediaSessionManager 中 sendMediaTimeline 函数的节流间隔从 1000 毫秒减少到 200 毫秒，以改善 MPRIS 上的播放进度延迟问题。

Changelog

• src/core/player/MediaSessionManager.ts
  • throttledSendTimeline 函数的节流间隔从 1000ms 调整为 200ms。

Activity

• 目前没有检测到额外的评论或审查活动。

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[gemini-code-assist]

Code Review

你好，感谢你的贡献！这个 PR 通过减少 throttledSendTimeline 的节流间隔，有效地解决了 MPRIS 播放进度更新延迟的问题，这是一个很好的性能优化。代码更改本身是正确的。我提出的具体评论是一个关于进一步优化 Web 平台体验的建议，与现有规则没有冲突，因此予以保留。总体来说，这是一个高质量的改进！

[gemini-code-assist]

降低此处的节流间隔以匹配 PlayerController 中 onTimeUpdate 的 200ms 间隔是很好的优化，可以有效减少 MPRIS 的更新延迟。

为了保持一致性并同样优化 Web 平台的体验，建议也考虑将 throttledUpdatePositionState 的节流间隔（位于第 312 行）从 1000ms 降低到 200ms。

这样可以确保无论是原生集成还是 Web API，媒体会话的进度更新频率都能与播放器的核心时间更新频率保持同步，从而在所有平台上都提供更即时的反馈。