Squeezebox (LMS) - Player becomes unavailable if alarm has no selected days

[iemand-dev]

The problem

According to pssc/ha-addon-lms#109, this is a bug in the integration and should therefore posted here, so here it is:

I've found a very weird bug which was annoying me for a long time. My player was working in LMS, but appeared as "unavailable" within HA. This made it impossible to schedule base an automation on it or use it within a dashboard.

I found out why it became "unavailable" after a 2h search and it is kind of silly. When the player has an alarm set-up which does not occur on any day, it becomes unavailable.

I've created following video to illustrate the bug: https://youtu.be/0yP1YnlKlF0
You'll notice that the player (right side of the video) becomes unavailable once the configured alarm has no days selected.I'm expecting the issue is already present for a few months now.

LMS Lyrion Music server 9.0.2.0
HA 2025.7.4

What version of Home Assistant Core has the issue?

core-2025.7.4

What was the last working version of Home Assistant Core?

No response

What type of installation are you running?

Home Assistant OS

Integration causing the issue

Squeezebox (Lyrion Music Server)

Link to integration documentation on our website

https://www.home-assistant.io/integrations/squeezebox

Diagnostics information

No response

Example YAML snippet

Anything in the logs that might be useful for us?

Additional information

See video: https://youtu.be/0yP1YnlKlF0

[home-assistant]

Hey there @rajlaud, @pssc, @peteS-UK, mind taking a look at this issue as it has been labeled with an integration (squeezebox) you are listed as a code owner for? Thanks!

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[peteS-UK]

OK, yes, I can confirm this one. I'll take a look. Curious though as to why you'd ever have an alarm which wasn't active on any days, rather than just disabling the alarm?

[iemand-dev]

Thank you for confirming.

I never disable an alarm indeed. I have about 5 different times and set up the alarms for the entire week as they tend to change. I find it easier to simply see Monday alarm 2, Tuesday alarm 4, ... instead of having multiple days with Monday active while the alarm itself is disable. It easier to keep the overview.

[peteS-UK]

ok - a little strange IMHO, but each to their own ....

My guess is that I intended to mark the alarm as no available if it had no days enabled, and somehow this is rolling up to the player by mistake, but I'll take a look.

[peteS-UK]

OK - very simple fix to make it deal with blank day_of_week string. The fix is actually in the underlying library rather than in the integration so not sure when it will be published but I'll push the fix this weekend. It will require a new release of the library.