hub-heartbeat.yaml

alias: "Music: Keep-alive"
description: ""
trigger:
  - platform: homeassistant
    event: start
    id: interval
  - platform: homeassistant
    event: shutdown
    id: interval
  - platform: time_pattern
    id: interval
    minutes: /9
  - platform: state
    entity_id:
      - media_player.music
    from: paused
    to: idle
    id: idle
condition: []
action:
  - choose:
      - conditions:
          - condition: trigger
            id:
              - interval
          - condition: state
            entity_id: media_player.music
            state: paused
        sequence:
          - service: media_player.volume_mute
            metadata: {}
            data:
              is_volume_muted: true
            target:
              entity_id: media_player.music
          - if:
              - condition: template
                value_template: >-
                  {{ state_attr('media_player.music', 'supported_features') |
                  bitwise_and(2) }}
            then:
              - service: media_player.media_seek
                metadata: {}
                data:
                  seek_position: >-
                    {% set pos = state_attr('media_player.music',
                    'media_position')|int %} {{ pos if pos % 2 == 0 else pos - 1
                    }}
                target:
                  entity_id: media_player.music
            else:
              - service: media_player.media_play
                metadata: {}
                data: {}
                target:
                  entity_id: media_player.music
          - service: media_player.media_pause
            metadata: {}
            data: {}
            target:
              entity_id: media_player.music
          - service: media_player.volume_mute
            metadata: {}
            data:
              is_volume_muted: false
            target:
              entity_id: media_player.music
      - conditions:
          - condition: trigger
            id:
              - idle
        sequence:
          - service: media_player.volume_mute
            metadata: {}
            data:
              is_volume_muted: true
            target:
              entity_id: media_player.music
          - wait_for_trigger:
              - platform: state
                entity_id:
                  - media_player.music
                to: playing
          - delay:
              hours: 0
              minutes: 0
              seconds: 2
              milliseconds: 0
          - service: media_player.media_pause
            metadata: {}
            data: {}
            target:
              entity_id: media_player.music
          - delay:
              hours: 0
              minutes: 0
              seconds: 1
              milliseconds: 0
          - service: media_player.volume_mute
            metadata: {}
            data:
              is_volume_muted: false
            target:
              entity_id: media_player.music
mode: restart

Well now my speaker group seems to shut down after 10 hours? That's not so bad though.