{
  "app": {
    "name": "Linux Voice Assistant",
    "debug": true,
    "wakeup_sound": "sounds/wake_word_triggered.flac",
    "timer_finished_sound": "sounds/timer_finished.flac",
    "preferences_file": "preferences.json"
  },
  "audio": {
    // This is the "manual bypass" for audio.
    // Set to "null" to use auto-detection (recommended).
    // Set to specific device names to force them.
    "input_device": "seeed-2mic-voicecard",
    "output_device": "alsa/plughw:CARD=seeed2micvoicec",
    "input_block_size": 1024
  },
  "wake_word": {
    // A list of directories to scan for wake word models
    "directories": [
      "wakewords",
      "wakewords/openWakeWord"
    ],
    // The default wake word to use if none is set in preferences
    "model": "okay_nabu",
    "stop_model": "stop",
    "refractory_seconds": 2.0,
    // Paths are relative to the project root
    "oww_melspectrogram_model": "wakewords/openWakeWord/melspectrogram.tflite",
    "oww_embedding_model": "wakewords/openWakeWord/embedding_model.tflite"
  },
  "esphome": {
    // Network settings for the satellite server
    "host": "0.0.0.0",
    "port": 6053
  },
  "led": {
    // "led_type" can be "dotstar" (APA102) or "neopixel" (WS2812B)
    "led_type": "dotstar",

    // "interface" can be "spi" (hardware SPI) or "gpio" (bit-banging)
    "interface": "gpio",

    // --- GPIO Settings ---
    // These are ONLY used if interface is "gpio"
    // For DotStar on Grove port: clock=13, data=12
    // For NeoPixel on Grove port: data=12 (clock not used and is ignored)
    "clock_pin": 13,
    "data_pin": 12,

    // Default number of LEDs. This is overridden by
    // "num_leds" in preferences.json after first run.
    "num_leds": 3
  },
  "mqtt": {
    // "host" is the only required field to enable MQTT.
    // If "host" is null or this section is omitted, MQTT is disabled.
    "host": "192.168.1.2",
    "port": 1883,
    "username": "mqtt_username",
    "password": "mqtt_password"
  }
}