configuration: port: name: "API Port" description: "Port for the REST API server. Adjust the port mapping entry above accordingly." ble_address: name: "Bluetooth Address" description: "Fixed BLE address of the printer (e.g., AA:BB:CC:DD:EE:FF). Leave empty for automatic scan." transport: name: "Transport" description: "Connection type: 'ble' for Bluetooth Low Energy (default) or 'classic' for RFCOMM." channel: name: "RFCOMM Channel" description: "Classic Bluetooth RFCOMM channel. Only relevant if transport is set to 'classic'."