Refactor BLE plugin structure and rename to 'ble' for consistency across platforms

macos/Classes/BlePlugin.swift

@@ -1,13 +1,13 @@
 import Foundation
 import FlutterMacOS
 
-/// macOS stub — BLE peripheral mode not yet implemented.
-public class BleRelayHostPlugin: NSObject, FlutterPlugin {
+/// macOS stub - BLE peripheral mode not yet implemented.
+public class BlePlugin: NSObject, FlutterPlugin {
     public static func register(with registrar: FlutterPluginRegistrar) {
         let channel = FlutterMethodChannel(
-            name: "com.dalimaster.ble_relay_host",
+            name: "com.dalimaster.ble",
             binaryMessenger: registrar.messenger)
-        let instance = BleRelayHostPlugin()
+        let instance = BlePlugin()
         registrar.addMethodCallDelegate(instance, channel: channel)
     }
 
@@ -19,4 +19,4 @@ public class BleRelayHostPlugin: NSObject, FlutterPlugin {
             result(nil)
         }
     }
-}
+}

macos/ble.podspec

@@ -1,5 +1,5 @@
 Pod::Spec.new do |s|
-  s.name             = 'ble_relay_host'
+  s.name             = 'ble'
   s.version          = '0.1.0'
   s.summary          = 'BLE GATT-server peripheral host for the DALI relay feature.'
   s.description      = <<-DESC