feat: stop playback and service on task removal and enhance audio route loss handling

[cwuom]

用户可见行为

• 移除任务时，如果存在播放内容且传输处于活动状态，应用会立即停止播放并停止服务。
• 移除任务时，如果传输未处于活动状态，应用会保留服务并更新通知。
• 移除任务时，如果没有播放内容，应用不会执行播放、持久化或通知操作。
• 蓝牙断开期间，应用会先抑制播放，再执行延迟暂停。
• 音频路由丢失时，应用会刷新播放器输出并停止进度更新。
• 暂停队列会在移除任务后保留。

兼容性影响

• 内部 pauseImpl 和 pauseInternal 增加音频输出刷新参数。
• 新增立即持久化状态流程，并设置 3 秒超时。
• 未修改导出的公共实体。

测试

• 新增任务移除策略和执行流程测试。
• 覆盖活动传输、Listen Together、暂停队列、空播放内容、持久化顺序、播放停止失败及通知更新场景。

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Review details

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: QUIET

Plan: Pro Plus

Run ID: 13bacc70-26d3-4a93-9783-76f28bc5f9bf

📥 Commits

Reviewing files that changed from the base of the PR and between 26e5667 and 8445a21.

📒 Files selected for processing (6)

• app/src/main/java/moe/ouom/neriplayer/core/player/PlayerManager.kt
• app/src/main/java/moe/ouom/neriplayer/core/player/lifecycle/PlayerManagerLifecycleExtensions.kt
• app/src/main/java/moe/ouom/neriplayer/core/player/persistence/PlayerManagerPersistenceExtensions.kt
• app/src/main/java/moe/ouom/neriplayer/core/player/playback/PlayerManagerPlaybackExtensions.kt
• app/src/main/java/moe/ouom/neriplayer/core/player/service/AudioPlayerService.kt
• app/src/test/java/moe/ouom/neriplayer/core/player/service/AudioPlayerServicePolicyTest.kt

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📝 Walkthrough

Walkthrough

此变更调整音频路由丢失时的暂停流程。流程会先抑制播放，再按需刷新播放器输出并设置为 STATE_IDLE。新增即时停止和立即持久化接口。任务移除时，服务仅在存在播放内容且传输活动时停止播放；其他场景会持久化状态或更新通知。新增任务移除策略和执行流程测试。

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	标题准确概括了任务移除时停止播放和服务，以及音频路由丢失处理增强这两个主要变更。
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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[cwuom]

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: QUIET

Plan: Pro Plus

Run ID: d9c2b3b8-3ff6-452b-80bf-0d5b0b1b3cb1

📥 Commits

Reviewing files that changed from the base of the PR and between 7e58536 and 8445a21.

📒 Files selected for processing (5)

• app/src/main/java/moe/ouom/neriplayer/core/player/PlayerManager.kt
• app/src/main/java/moe/ouom/neriplayer/core/player/persistence/PlayerManagerPersistenceExtensions.kt
• app/src/main/java/moe/ouom/neriplayer/core/player/playback/PlayerManagerPlaybackExtensions.kt
• app/src/main/java/moe/ouom/neriplayer/core/player/service/AudioPlayerService.kt
• app/src/test/java/moe/ouom/neriplayer/core/player/service/AudioPlayerServicePolicyTest.kt