ble/ios/Classes/BleRelayHostPlugin.swift

import Foundation
import Flutter

/// iOS stub — BLE peripheral (CoreBluetooth CBPeripheralManager) is available on iOS but
/// not yet implemented. `isSupported` returns false; all other methods are no-ops.
public class BleRelayHostPlugin: NSObject, FlutterPlugin {
    public static func register(with registrar: FlutterPluginRegistrar) {
        let channel = FlutterMethodChannel(
            name: "com.dalimaster.ble_relay_host",
            binaryMessenger: registrar.messenger())
        let instance = BleRelayHostPlugin()
        registrar.addMethodCallDelegate(instance, channel: channel)
    }

    public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
        switch call.method {
        case "isSupported":
            result(false)
        default:
            result(nil)
        }
    }
}