VHS-Karten integriert, Bildzoom ergänzt und Chat-IDs korrigiert

Unterschriftenerfassung dauerhaft auf Deutsch anzeigen, lokale VHS-Buildkonfiguration und Regressionstests ergänzen sowie Version auf 357.0.0+357 anheben.

pubspec.lock

@@ -458,7 +458,7 @@ packages:
     source: hosted
     version: "1.1.1"
   flat_buffers:
-    dependency: transitive
+    dependency: "direct dev"
     description:
       name: flat_buffers
       sha256: "380bdcba5664a718bfd4ea20a45d39e13684f5318fcd8883066a55e21f37f4c3"
@@ -1629,6 +1629,38 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.0.3"
+  webview_flutter:
+    dependency: "direct main"
+    description:
+      name: webview_flutter
+      sha256: d53e1ccf5516f25017e3c9d44c39034db352d20fa34fe200674270242c2c5111
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.14.1"
+  webview_flutter_android:
+    dependency: transitive
+    description:
+      name: webview_flutter_android
+      sha256: "4de8b3d1ff4ebe1bdb42e68a5e4f809194a3cb0117a8f495f590004f00da3964"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.14.1"
+  webview_flutter_platform_interface:
+    dependency: transitive
+    description:
+      name: webview_flutter_platform_interface
+      sha256: "1221c1b12f5278791042f2ec2841743784cf25c5a644e23d6680e5d718824f04"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.15.1"
+  webview_flutter_wkwebview:
+    dependency: transitive
+    description:
+      name: webview_flutter_wkwebview
+      sha256: "0f784be1b080e5b918ef7c2c070c1f4616899fd23f1d001feb74b4978f92bdbc"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.26.2"
   win32:
     dependency: transitive
     description: