fix: extension install by deeplink (#1510)

ui/flutter/ios/Runner/Info.plist

@@ -24,6 +24,9 @@
 	<string>????</string>
 	<key>CFBundleVersion</key>
 	<string>$(FLUTTER_BUILD_NUMBER)</string>
+	<!-- app_links owns scheme navigation for both task creation and extension installation. -->
+	<key>FlutterDeepLinkingEnabled</key>
+	<false/>
 	<key>CFBundleURLTypes</key>
 	<array>
 		<dict>

ui/flutter/ios/Runner/SceneDelegate.swift

@@ -1,6 +1,27 @@
 import Flutter
 import UIKit
+import app_links
 
 class SceneDelegate: FlutterSceneDelegate {
+  override func scene(
+    _ scene: UIScene,
+    willConnectTo session: UISceneSession,
+    options connectionOptions: UIScene.ConnectionOptions
+  ) {
+    super.scene(scene, willConnectTo: session, options: connectionOptions)
+    forwardGopeedLinks(connectionOptions.urlContexts)
+  }
 
+  override func scene(_ scene: UIScene, openURLContexts URLContexts: Set<UIOpenURLContext>) {
+    super.scene(scene, openURLContexts: URLContexts)
+    forwardGopeedLinks(URLContexts)
+  }
+
+  private func forwardGopeedLinks(_ contexts: Set<UIOpenURLContext>) {
+    // app_links 6.x only registers AppDelegate callbacks. UIScene delivers
+    // both cold-start and running-app scheme links here instead.
+    for context in contexts where context.url.scheme?.lowercased() == "gopeed" {
+      AppLinks.shared.handleLink(url: context.url)
+    }
+  }
 }