Help making a timer configurable by a slider

Configuration
5

I created a helper that can be presented as a slider in lovelace running from 0 to 60:

input_number:
  irrigation_popup:
    name: "irrigation popup"
    min: 0
    max: 60
    step: 5
    icon: mdi:sprinkler
    mode: slider
    unit_of_measurement: Minutes

and an automation that if this helper goes above 0 it will repetitively decrease with 1 and wait 1 minute until 0 after which it switches of a tasmota device:

- id: '1654877730085'
  alias: irrigatie popup
  description: irrigatie via popup
  trigger:
  - platform: numeric_state
    entity_id: input_number.irrigation_popup
    above: '0'
  condition: []
  - repeat:
      until:
      - condition: numeric_state
        entity_id: input_number.irrigation_popup
        below: '1'
      sequence:
      - delay:
          hours: 0
          minutes: 1
          seconds: 0
          milliseconds: 0
      - service: input_number.set_value
        data:
          value: '{{ (states("input_number.irrigation_popup") |int ) - 1 }}'
        target:
          entity_id: input_number.irrigation_popup
  - service: switch.turn_off
    data: {}
    target:
      entity_id:
      - switch.tasmota99_4
   mode: single
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