[FEATURE] Add approximate runtime to playlist screen

[Batcastle]

📣 Description

Can we please have some indicator added that shows how long a playlist is, as far as run time is concerned?

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🎯 User Story / Use Case

I often like to listen to music on my way to work. But, some playlists are too short and end up repeating songs. If I know what playlists are the right length, it makes it easier to know which ones I will encounter that on ahead of time.

🧭 Where Does This Apply?

Select the parts of the app this feature would impact:

• Playback screen
• Background playback / notification controls
• Downloads / Offline Mode
• Library / Collections
• Login / User Account
• Settings / Preferences
• Audio Engine / Player
• Accessibility / UX
• Other: [...]

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🔁 Alternatives Considered

I don't really see any possibility for an alternative. In code, if the Ampache API doesn't tell you the length of a playlist, it's still easy to compute. Just add up the length of all the songs, and show it as "About xx:xx:xx" since loading times, cross fade, and gapless playback can affect that length.

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💬 Additional Context

The Album screen already have such an indicator. We can simply replicate that, but for playlists.

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✅ Checklist

✅ FINAL CHECKLIST

• All fields in the report form have been completed; no fields are omitted. Incomplete forms will not be addressed. If a field does not apply, it is filled in with “does not apply” or “not relevant”.
• This is not a duplicate of an existing request
• I’ve described the problem and why the feature is needed
• I’ve added relevant context
• The issue has been checked against existing issues to avoid duplicates.
• Do not tick this checkbox — this is to confirm you are reading the checklist.

[icefields]

@Batcastle yes no problem. but you didn't complete the final checklist in the request

[Batcastle]

Oh, sorry! Totally missed that part. I'll fix it in a moment. Sorry about that!

[icefields]

no worries. I'm enforcing this rule and I just have to be fair to everyone