* feat: update shake detection settings to reduce cooldown and feedback options
* fix: shake detector not detecting in background
* enhance shake action handling to avoid unnecessary feedback
* disable shake detector when player not playing anything
* refactor: remove outdated TODO regarding shake detection optimization
* refactor: comment out notifyListeners call in restartTimer method for clarity
* feat: enhance download manager with improved logging and task handling
* feat: add total size calculation for library items and improve download manager functionality
* refactor: simplify parameters in queueAudioBookDownload and improve logging message in deleteDownloadedItem