esphome:
  name: grub-boot-switch
  friendly_name: GRUB boot switch

esp32:
  board: esp32-s3-devkitc-1
  framework:
    type: esp-idf

logger:
api:
ota:
  - platform: esphome

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password

external_components:
  - source:
      type: local
      path: components
    components: [grub_boot_switch]

grub_boot_switch:
  id: bootsw
  # volume_serial: 0x55AA6922   # default — matches upstream GRUB hook
  # volume_label: SWITCH        # default
  initial_target: 0

# Phase 4 will add the select platform here:
#
# select:
#   - platform: grub_boot_switch
#     name: "Boot Target"
#     options: [Linux, Windows, Recovery]