Flutter-App mit WebView, STOMP-Client und Konfigurationssystem

- Flutter-App (app/) für iOS, Android, macOS, Windows und Linux erstellt
- WebView-Startseite mit flutter_inappwebview (iOS/Android/macOS/Windows),
  Linux-Fallback mit url_launcher
- STOMP-over-WebSocket: Topic-basierte Echtzeit-Kommunikation zwischen
  Flutter-App und Spring Boot Core
- Core: STOMP-Broker (/ws/stomp), CallEventBroadcaster auf /topic/calls,
  StompMessageController für /app/ping und /app/broadcast
- SecurityConfig: /ws/** permitAll + CSRF-Ausnahme
- Asset-basierte Konfigurationsdatei (app_config.json) für Server-URL,
  STOMP-Reconnect, Topics und WebView-URL
- launch.json um Flutter-Debug/Profile/Release-Konfigurationen erweitert
- macOS: FLTEnableMergedPlatformUIThread deaktiviert (WKWebView-Kompatibilität),
  network.client Entitlement gesetzt
- iOS: NSAllowsLocalNetworking für lokale Entwicklung
- Android: INTERNET-Permission und usesCleartextTraffic

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

app/ios/Podfile

@@ -0,0 +1,43 @@
+# Uncomment this line to define a global platform for your project
+# platform :ios, '13.0'
+
+# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
+ENV['COCOAPODS_DISABLE_STATS'] = 'true'
+
+project 'Runner', {
+  'Debug' => :debug,
+  'Profile' => :release,
+  'Release' => :release,
+}
+
+def flutter_root
+  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__)
+  unless File.exist?(generated_xcode_build_settings_path)
+    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first"
+  end
+
+  File.foreach(generated_xcode_build_settings_path) do |line|
+    matches = line.match(/FLUTTER_ROOT\=(.*)/)
+    return matches[1].strip if matches
+  end
+  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get"
+end
+
+require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
+
+flutter_ios_podfile_setup
+
+target 'Runner' do
+  use_frameworks!
+
+  flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
+  target 'RunnerTests' do
+    inherit! :search_paths
+  end
+end
+
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    flutter_additional_ios_build_settings(target)
+  end
+end