2026.7.3.1
1 update process. handle browser closing case.

2026.7.1.2
1 fixed. after the browser closed, the downloadqueue break problem.
1 channelList playlistTitle to 24hours not PM/AM
1 add urlpattern "https://youtube.com/channel/?si="

2026.7.1.1
1 if playlist length is 0, notification it
1 update minute pickup to 0-59
1 fix problem, the alram not trigger.
1 alarmObserveChannelList update UI, remove PM AM, use 24hours
1 update v2 to v3
1 add support url pattern https://*.youtube.com/channel/*
2 add option "enableObserveChannelList"
you can add some channel url, when times up,
it will auto download these channel today's ytb video

2026.6.26.2
1 update judgement, remove storage key systeim_is_downloading

2026.6.26.1
1 update process, delete restart initial state
downloading =false

2026.6.25.1
1 video title substring 0,80
2 add download queue, if download complete or interrupted, then next item
3 support ytb playlist

2026.6.24.1
1 video title substring 0,50