This is two Feature that i wand to see include in EZTV.
The first feature is include a option to include live streams as a block.
This can be done using a streaming url or using a 3rh application as streamlink or yt-dlp that is pipe to the ffmpeg instands of ErsatTV use for broadcasting an external source e.g. Youtube live streams.

The second feature is to add an option for overwrite the current playout on the channel using an post request or a websocket api using external scripts.
This can be handy if some one wand to add an external source (see the first feature in this post) for special events or big breaking news storeys (and not the fake braking news) as a example.
This add two levels of channel Schedules precedence beside the normal Schedules and filler Schedules Override and Flash Override.
The first one is Override:
This precedence is use for normal events that the use wand to overwrite a channel.
And its is an opt in that be need to be activate by the user.
The second level is Flash Override (i use the .
This precedence override all channels and even override the Override level precedence and use for breaking news (and not the fake type of breaking news)
This precedence have an opt-out policy for example not show on a children channel as an example.