Controls audio playback with speed adjustment and auto-play
当前为
Key features of this script:
Creates a floating control panel at the bottom right of the screen
Displays audio duration in MM format once loaded
Provides play/pause button and speed adjustment buttons
Automatically saves playback speed to localStorage
Loads saved playback speed from previous sessions
Auto-plays the audio after a 5-second delay
Sets default playback speed to 0.7x if no saved setting exists
Handles dynamically loaded audio elements through a MutationObserver
