Set PlayerQueue.is_dynamic when radio_source changes

[dmoo500]

Summary

Sets the new is_dynamic field on PlayerQueue (added in music-assistant/models#224) whenever radio_source is updated, so clients can read it directly.

Changes

• PlayerQueuesController._calc_is_dynamic(): static helper that checks if radio_source is a single dynamic playlist
• Sets queue.is_dynamic at all 5 radio_source assignment points in player_queues.py
• signal_update is called after all field mutations so clients receive a consistent state in one event

Why is_dynamic lives on the model (not computed client-side)

PlayerQueue uses mashumaro's DataClassDictMixin. A @property is silently skipped by to_dict() / to_cache() — only dataclass fields are serialized. Clients and the restore path would always see the default value. A plain bool = False field is the correct approach: it is serialized like any other field and kept in sync by the server.

Dependencies

Requires music-assistant/models#224 to be merged and released first. PR is in draft until then.

Related

• Models PR: Add is_dynamic field to PlayerQueue models#224
• Frontend PR: Use PlayerQueue.is_dynamic directly frontend#1773
• Mobile app issue: Hide radio mode button when playing a dynamic playlist mobile-app#370

[Copilot]

Pull request overview

This PR updates the server to keep the new PlayerQueue.is_dynamic field in sync with queue.radio_source, allowing clients to read whether the queue is driven by a single dynamic playlist directly from the queue state.

Changes:

• Add PlayerQueuesController._calc_is_dynamic() to detect when radio_source is exactly one dynamic Playlist.
• Set/clear queue.is_dynamic alongside queue.radio_source updates throughout player_queues.py.
• Ensure the Yandex Music provider sets queue.is_dynamic = False when it assigns a track as radio_source.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

File	Description
music_assistant/controllers/player_queues.py	Adds _calc_is_dynamic and updates radio_source mutation points to maintain queue.is_dynamic.
music_assistant/providers/yandex_music/provider.py	Explicitly sets queue.is_dynamic = False when assigning a Track as the queue’s radio_source.

[Copilot]

Pull request overview

Copilot reviewed 1 out of 1 changed files in this pull request and generated 1 comment.

[dmoo500]

Converting to draft — the mypy lint failure is expected: this PR depends on music-assistant/models#224 which adds PlayerQueue.is_dynamic. Once that is merged and a new models release is published, this PR will be updated to bump the music-assistant-models version and marked ready for review.