feat(ios): 首次启动询问无线数据权限

iOS 在首个接口请求前等待系统无线数据选择，避免未授权时请求被静默拒绝。

ios/Runner/AppDelegate.swift

@@ -37,6 +37,7 @@ final class RunnerFlutterViewController: FlutterViewController {
 
 @main
 @objc class AppDelegate: FlutterAppDelegate, FlutterImplicitEngineDelegate {
+  private let wirelessDataPrompt = WirelessDataPrompt()
   private let thumbnailQueue = DispatchQueue(
     label: "com.stormg.lumadrama.thumbnail",
     qos: .userInitiated
@@ -52,6 +53,7 @@ final class RunnerFlutterViewController: FlutterViewController {
 
   func didInitializeImplicitFlutterEngine(_ engineBridge: FlutterImplicitEngineBridge) {
     GeneratedPluginRegistrant.register(with: engineBridge.pluginRegistry)
+    registerWirelessDataChannel(engineBridge)
     let channel = FlutterMethodChannel(
       name: "com.stormg.lumadrama/share",
       binaryMessenger: engineBridge.applicationRegistrar.messenger()
@@ -132,4 +134,22 @@ final class RunnerFlutterViewController: FlutterViewController {
       }
     }
   }
+
+  private func registerWirelessDataChannel(_ engineBridge: FlutterImplicitEngineBridge) {
+    let channel = FlutterMethodChannel(
+      name: WirelessDataPrompt.channelName,
+      binaryMessenger: engineBridge.applicationRegistrar.messenger()
+    )
+    channel.setMethodCallHandler { [weak self] call, result in
+      guard call.method == WirelessDataPrompt.awaitDecisionMethod else {
+        result(FlutterMethodNotImplemented)
+        return
+      }
+      guard let self else {
+        result(nil)
+        return
+      }
+      self.wirelessDataPrompt.awaitDecision(result)
+    }
+  }
 }