diff --git a/android/app/src/main/res/values/styles.xml b/android/app/src/main/res/values/styles.xml
index cb1ef880..31dc1c5c 100644
--- a/android/app/src/main/res/values/styles.xml
+++ b/android/app/src/main/res/values/styles.xml
@@ -5,6 +5,8 @@
         <!-- Show a splash screen on the activity. Automatically removed when
              the Flutter engine draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</item>
+        <!-- Set the background color to the primary color so the white logo is visible -->
+        <item name="android:colorBackground">#FF57CC99</item>
     </style>
     <!-- Theme applied to the Android Window as soon as the process has started.
          This theme determines the color of the Android Window while your
diff --git a/ios/Runner/Base.lproj/LaunchScreen.storyboard b/ios/Runner/Base.lproj/LaunchScreen.storyboard
index f2e259c7..e103a99f 100644
--- a/ios/Runner/Base.lproj/LaunchScreen.storyboard
+++ b/ios/Runner/Base.lproj/LaunchScreen.storyboard
@@ -19,7 +19,7 @@
                             <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
                             </imageView>
                         </subviews>
-                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <color key="backgroundColor" red="0.341176" green="0.8" blue="0.6" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
                             <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="1a2-6s-vTC"/>
                             <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="4X2-HB-R7a"/>
diff --git a/lib/core/bridge.dart b/lib/core/bridge.dart
index d7b6740a..dfa22807 100644
--- a/lib/core/bridge.dart
+++ b/lib/core/bridge.dart
@@ -1,11 +1,10 @@
 // This file is automatically generated, so please do not edit it.
 // @generated by `flutter_rust_bridge`@ 2.12.0.
 
-// ignore_for_file: invalid_use_of_internal_member
-
-import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated.dart';
+// ignore_for_file: invalid_use_of_internal_member, unused_import, unnecessary_import
 
 import 'frb_generated.dart';
+import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated.dart';
 
 // These functions are ignored because they are not marked as `pub`: `get_twonly_flutter`
 // These types are ignored because they are neither used by any `pub` functions nor (for structs and enums) marked `#[frb(unignore)]`: `TwonlyFlutter`
@@ -14,14 +13,15 @@ Future<void> initializeTwonlyFlutter({required TwonlyConfig config}) =>
     RustLib.instance.api.crateBridgeInitializeTwonlyFlutter(config: config);
 
 class AnnouncedUser {
+  final PlatformInt64 userId;
+  final Uint8List publicKey;
+  final PlatformInt64 publicId;
+
   const AnnouncedUser({
     required this.userId,
     required this.publicKey,
     required this.publicId,
   });
-  final PlatformInt64 userId;
-  final Uint8List publicKey;
-  final PlatformInt64 publicId;
 
   @override
   int get hashCode => userId.hashCode ^ publicKey.hashCode ^ publicId.hashCode;
@@ -37,6 +37,13 @@ class AnnouncedUser {
 }
 
 class OtherPromotion {
+  final int promotionId;
+  final PlatformInt64 publicId;
+  final PlatformInt64 fromContactId;
+  final int threshold;
+  final Uint8List announcementShare;
+  final PlatformInt64? publicKeyVerifiedTimestamp;
+
   const OtherPromotion({
     required this.promotionId,
     required this.publicId,
@@ -45,12 +52,6 @@ class OtherPromotion {
     required this.announcementShare,
     this.publicKeyVerifiedTimestamp,
   });
-  final int promotionId;
-  final PlatformInt64 publicId;
-  final PlatformInt64 fromContactId;
-  final int threshold;
-  final Uint8List announcementShare;
-  final PlatformInt64? publicKeyVerifiedTimestamp;
 
   @override
   int get hashCode =>
@@ -75,12 +76,13 @@ class OtherPromotion {
 }
 
 class TwonlyConfig {
+  final String databasePath;
+  final String dataDirectory;
+
   const TwonlyConfig({
     required this.databasePath,
     required this.dataDirectory,
   });
-  final String databasePath;
-  final String dataDirectory;
 
   @override
   int get hashCode => databasePath.hashCode ^ dataDirectory.hashCode;
diff --git a/lib/core/bridge/callbacks.dart b/lib/core/bridge/callbacks.dart
index 28859ca4..07db35a4 100644
--- a/lib/core/bridge/callbacks.dart
+++ b/lib/core/bridge/callbacks.dart
@@ -1,12 +1,11 @@
 // This file is automatically generated, so please do not edit it.
 // @generated by `flutter_rust_bridge`@ 2.12.0.
 
-// ignore_for_file: invalid_use_of_internal_member
-
-import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated.dart';
+// ignore_for_file: invalid_use_of_internal_member, unused_import, unnecessary_import
 
 import '../bridge.dart';
 import '../frb_generated.dart';
+import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated.dart';
 
 // These functions are ignored because they are not marked as `pub`: `get_callbacks`
 // These types are ignored because they are neither used by any `pub` functions nor (for structs and enums) marked `#[frb(unignore)]`: `FlutterCallbacks`, `Logging`, `UserDiscoveryCallbacks`
diff --git a/lib/core/bridge/wrapper/user_discovery.dart b/lib/core/bridge/wrapper/user_discovery.dart
index 48dde562..628492ce 100644
--- a/lib/core/bridge/wrapper/user_discovery.dart
+++ b/lib/core/bridge/wrapper/user_discovery.dart
@@ -1,11 +1,10 @@
 // This file is automatically generated, so please do not edit it.
 // @generated by `flutter_rust_bridge`@ 2.12.0.
 
-// ignore_for_file: invalid_use_of_internal_member
-
-import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated.dart';
+// ignore_for_file: invalid_use_of_internal_member, unused_import, unnecessary_import
 
 import '../../frb_generated.dart';
+import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated.dart';
 
 class FlutterUserDiscovery {
   const FlutterUserDiscovery();
diff --git a/lib/core/frb_generated.dart b/lib/core/frb_generated.dart
index 50a36415..5aba56c1 100644
--- a/lib/core/frb_generated.dart
+++ b/lib/core/frb_generated.dart
@@ -1,26 +1,25 @@
 // This file is automatically generated, so please do not edit it.
 // @generated by `flutter_rust_bridge`@ 2.12.0.
 
-// ignore_for_file: unused_import, annotate_overrides, non_constant_identifier_names, prefer_const_literals_to_create_immutables
-
-import 'dart:async';
-import 'dart:convert';
-
-import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated.dart';
+// ignore_for_file: unused_import, unused_element, unnecessary_import, duplicate_ignore, invalid_use_of_internal_member, annotate_overrides, non_constant_identifier_names, curly_braces_in_flow_control_structures, prefer_const_literals_to_create_immutables, unused_field
 
 import 'bridge.dart';
 import 'bridge/callbacks.dart';
 import 'bridge/wrapper/user_discovery.dart';
+import 'dart:async';
+import 'dart:convert';
 import 'frb_generated.dart';
 import 'frb_generated.io.dart'
     if (dart.library.js_interop) 'frb_generated.web.dart';
+import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated.dart';
 
 /// Main entrypoint of the Rust API
 class RustLib extends BaseEntrypoint<RustLibApi, RustLibApiImpl, RustLibWire> {
-  RustLib._();
   @internal
   static final instance = RustLib._();
 
+  RustLib._();
+
   /// Initialize flutter_rust_bridge
   static Future<void> init({
     RustLibApi? api,
@@ -78,6 +77,7 @@ class RustLib extends BaseEntrypoint<RustLibApi, RustLibApiImpl, RustLibWire> {
         stem: 'rust_lib_twonly',
         ioDirectory: 'rust/target/release/',
         webPrefix: 'pkg/',
+        wasmBindgenName: 'wasm_bindgen',
       );
 }
 
@@ -184,7 +184,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
   TaskConstMeta
   get kCrateBridgeWrapperUserDiscoveryFlutterUserDiscoveryGetCurrentVersionConstMeta =>
       const TaskConstMeta(
-        debugName: 'flutter_user_discovery_get_current_version',
+        debugName: "flutter_user_discovery_get_current_version",
         argNames: [],
       );
 
@@ -222,8 +222,8 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
   TaskConstMeta
   get kCrateBridgeWrapperUserDiscoveryFlutterUserDiscoveryGetNewMessagesConstMeta =>
       const TaskConstMeta(
-        debugName: 'flutter_user_discovery_get_new_messages',
-        argNames: ['contactId', 'receivedVersion'],
+        debugName: "flutter_user_discovery_get_new_messages",
+        argNames: ["contactId", "receivedVersion"],
       );
 
   @override
@@ -260,8 +260,8 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
   TaskConstMeta
   get kCrateBridgeWrapperUserDiscoveryFlutterUserDiscoveryHandleNewMessagesConstMeta =>
       const TaskConstMeta(
-        debugName: 'flutter_user_discovery_handle_new_messages',
-        argNames: ['contactId', 'messages'],
+        debugName: "flutter_user_discovery_handle_new_messages",
+        argNames: ["contactId", "messages"],
       );
 
   @override
@@ -300,8 +300,8 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
   TaskConstMeta
   get kCrateBridgeWrapperUserDiscoveryFlutterUserDiscoveryInitializeOrUpdateConstMeta =>
       const TaskConstMeta(
-        debugName: 'flutter_user_discovery_initialize_or_update',
-        argNames: ['threshold', 'userId', 'publicKey'],
+        debugName: "flutter_user_discovery_initialize_or_update",
+        argNames: ["threshold", "userId", "publicKey"],
       );
 
   @override
@@ -338,8 +338,8 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
   TaskConstMeta
   get kCrateBridgeWrapperUserDiscoveryFlutterUserDiscoveryShouldRequestNewMessagesConstMeta =>
       const TaskConstMeta(
-        debugName: 'flutter_user_discovery_should_request_new_messages',
-        argNames: ['contactId', 'version'],
+        debugName: "flutter_user_discovery_should_request_new_messages",
+        argNames: ["contactId", "version"],
       );
 
   @override
@@ -469,22 +469,22 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
 
   TaskConstMeta get kCrateBridgeCallbacksInitFlutterCallbacksConstMeta =>
       const TaskConstMeta(
-        debugName: 'init_flutter_callbacks',
+        debugName: "init_flutter_callbacks",
         argNames: [
-          'loggingGetStreamSink',
-          'userDiscoverySignData',
-          'userDiscoveryVerifySignature',
-          'userDiscoveryVerifyStoredPubkey',
-          'userDiscoverySetShares',
-          'userDiscoveryGetShareForContact',
-          'userDiscoveryPushOwnPromotion',
-          'userDiscoveryGetOwnPromotionsAfterVersion',
-          'userDiscoveryStoreOtherPromotion',
-          'userDiscoveryGetOtherPromotionsByPublicId',
-          'userDiscoveryGetAnnouncedUserByPublicId',
-          'userDiscoveryGetContactVersion',
-          'userDiscoverySetContactVersion',
-          'userDiscoveryPushNewUserRelation',
+          "loggingGetStreamSink",
+          "userDiscoverySignData",
+          "userDiscoveryVerifySignature",
+          "userDiscoveryVerifyStoredPubkey",
+          "userDiscoverySetShares",
+          "userDiscoveryGetShareForContact",
+          "userDiscoveryPushOwnPromotion",
+          "userDiscoveryGetOwnPromotionsAfterVersion",
+          "userDiscoveryStoreOtherPromotion",
+          "userDiscoveryGetOtherPromotionsByPublicId",
+          "userDiscoveryGetAnnouncedUserByPublicId",
+          "userDiscoveryGetContactVersion",
+          "userDiscoverySetContactVersion",
+          "userDiscoveryPushNewUserRelation",
         ],
       );
 
@@ -517,8 +517,8 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
 
   TaskConstMeta get kCrateBridgeInitializeTwonlyFlutterConstMeta =>
       const TaskConstMeta(
-        debugName: 'initialize_twonly_flutter',
-        argNames: ['config'],
+        debugName: "initialize_twonly_flutter",
+        argNames: ["config"],
       );
 
   Future<void> Function(
@@ -535,7 +535,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       try {
         rawOutput = Box(await raw());
       } catch (e, s) {
-        rawError = Box(AnyhowException('$e\n\n$s'));
+        rawError = Box(AnyhowException("$e\n\n$s"));
       }
 
       final serializer = SseSerializer(generalizedFrbRustBinding);
@@ -570,7 +570,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       try {
         rawOutput = Box(await raw(arg0));
       } catch (e, s) {
-        rawError = Box(AnyhowException('$e\n\n$s'));
+        rawError = Box(AnyhowException("$e\n\n$s"));
       }
 
       final serializer = SseSerializer(generalizedFrbRustBinding);
@@ -605,7 +605,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       try {
         rawOutput = Box(await raw(arg0));
       } catch (e, s) {
-        rawError = Box(AnyhowException('$e\n\n$s'));
+        rawError = Box(AnyhowException("$e\n\n$s"));
       }
 
       final serializer = SseSerializer(generalizedFrbRustBinding);
@@ -640,7 +640,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       try {
         rawOutput = Box(await raw(arg0));
       } catch (e, s) {
-        rawError = Box(AnyhowException('$e\n\n$s'));
+        rawError = Box(AnyhowException("$e\n\n$s"));
       }
 
       final serializer = SseSerializer(generalizedFrbRustBinding);
@@ -675,7 +675,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       try {
         rawOutput = Box(await raw(arg0));
       } catch (e, s) {
-        rawError = Box(AnyhowException('$e\n\n$s'));
+        rawError = Box(AnyhowException("$e\n\n$s"));
       }
 
       final serializer = SseSerializer(generalizedFrbRustBinding);
@@ -712,7 +712,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       try {
         rawOutput = Box(await raw(arg0, arg1, arg2));
       } catch (e, s) {
-        rawError = Box(AnyhowException('$e\n\n$s'));
+        rawError = Box(AnyhowException("$e\n\n$s"));
       }
 
       final serializer = SseSerializer(generalizedFrbRustBinding);
@@ -749,7 +749,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       try {
         rawOutput = Box(await raw(arg0, arg1, arg2));
       } catch (e, s) {
-        rawError = Box(AnyhowException('$e\n\n$s'));
+        rawError = Box(AnyhowException("$e\n\n$s"));
       }
 
       final serializer = SseSerializer(generalizedFrbRustBinding);
@@ -785,7 +785,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       try {
         rawOutput = Box(await raw(arg0, arg1));
       } catch (e, s) {
-        rawError = Box(AnyhowException('$e\n\n$s'));
+        rawError = Box(AnyhowException("$e\n\n$s"));
       }
 
       final serializer = SseSerializer(generalizedFrbRustBinding);
@@ -820,7 +820,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       try {
         rawOutput = Box(await raw(arg0));
       } catch (e, s) {
-        rawError = Box(AnyhowException('$e\n\n$s'));
+        rawError = Box(AnyhowException("$e\n\n$s"));
       }
 
       final serializer = SseSerializer(generalizedFrbRustBinding);
@@ -855,7 +855,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       try {
         rawOutput = Box(await raw(arg0));
       } catch (e, s) {
-        rawError = Box(AnyhowException('$e\n\n$s'));
+        rawError = Box(AnyhowException("$e\n\n$s"));
       }
 
       final serializer = SseSerializer(generalizedFrbRustBinding);
@@ -892,7 +892,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       try {
         rawOutput = Box(await raw(arg0, arg1, arg2));
       } catch (e, s) {
-        rawError = Box(AnyhowException('$e\n\n$s'));
+        rawError = Box(AnyhowException("$e\n\n$s"));
       }
 
       final serializer = SseSerializer(generalizedFrbRustBinding);
@@ -927,7 +927,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       try {
         rawOutput = Box(await raw(arg0));
       } catch (e, s) {
-        rawError = Box(AnyhowException('$e\n\n$s'));
+        rawError = Box(AnyhowException("$e\n\n$s"));
       }
 
       final serializer = SseSerializer(generalizedFrbRustBinding);
@@ -1123,9 +1123,9 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
   FlutterUserDiscovery dco_decode_flutter_user_discovery(dynamic raw) {
     // Codec=Dco (DartCObject based), see doc to use other codecs
     final arr = raw as List<dynamic>;
-    if (arr.isNotEmpty)
+    if (arr.length != 0)
       throw Exception('unexpected arr length: expect 0 but see ${arr.length}');
-    return const FlutterUserDiscovery();
+    return FlutterUserDiscovery();
   }
 
   @protected
@@ -1249,14 +1249,14 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
   @protected
   AnyhowException sse_decode_AnyhowException(SseDeserializer deserializer) {
     // Codec=Sse (Serialization based), see doc to use other codecs
-    final inner = sse_decode_String(deserializer);
+    var inner = sse_decode_String(deserializer);
     return AnyhowException(inner);
   }
 
   @protected
   Object sse_decode_DartOpaque(SseDeserializer deserializer) {
     // Codec=Sse (Serialization based), see doc to use other codecs
-    final inner = sse_decode_isize(deserializer);
+    var inner = sse_decode_isize(deserializer);
     return decodeDartOpaque(inner, generalizedFrbRustBinding);
   }
 
@@ -1271,16 +1271,16 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
   @protected
   String sse_decode_String(SseDeserializer deserializer) {
     // Codec=Sse (Serialization based), see doc to use other codecs
-    final inner = sse_decode_list_prim_u_8_strict(deserializer);
+    var inner = sse_decode_list_prim_u_8_strict(deserializer);
     return utf8.decoder.convert(inner);
   }
 
   @protected
   AnnouncedUser sse_decode_announced_user(SseDeserializer deserializer) {
     // Codec=Sse (Serialization based), see doc to use other codecs
-    final var_userId = sse_decode_i_64(deserializer);
-    final var_publicKey = sse_decode_list_prim_u_8_strict(deserializer);
-    final var_publicId = sse_decode_i_64(deserializer);
+    var var_userId = sse_decode_i_64(deserializer);
+    var var_publicKey = sse_decode_list_prim_u_8_strict(deserializer);
+    var var_publicId = sse_decode_i_64(deserializer);
     return AnnouncedUser(
       userId: var_userId,
       publicKey: var_publicKey,
@@ -1299,13 +1299,13 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
     SseDeserializer deserializer,
   ) {
     // Codec=Sse (Serialization based), see doc to use other codecs
-    return sse_decode_announced_user(deserializer);
+    return (sse_decode_announced_user(deserializer));
   }
 
   @protected
   PlatformInt64 sse_decode_box_autoadd_i_64(SseDeserializer deserializer) {
     // Codec=Sse (Serialization based), see doc to use other codecs
-    return sse_decode_i_64(deserializer);
+    return (sse_decode_i_64(deserializer));
   }
 
   @protected
@@ -1313,7 +1313,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
     SseDeserializer deserializer,
   ) {
     // Codec=Sse (Serialization based), see doc to use other codecs
-    return sse_decode_twonly_config(deserializer);
+    return (sse_decode_twonly_config(deserializer));
   }
 
   @protected
@@ -1321,7 +1321,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
     SseDeserializer deserializer,
   ) {
     // Codec=Sse (Serialization based), see doc to use other codecs
-    return const FlutterUserDiscovery();
+    return FlutterUserDiscovery();
   }
 
   @protected
@@ -1342,8 +1342,8 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
   ) {
     // Codec=Sse (Serialization based), see doc to use other codecs
 
-    final len_ = sse_decode_i_32(deserializer);
-    final ans_ = <Uint8List>[];
+    var len_ = sse_decode_i_32(deserializer);
+    var ans_ = <Uint8List>[];
     for (var idx_ = 0; idx_ < len_; ++idx_) {
       ans_.add(sse_decode_list_prim_u_8_strict(deserializer));
     }
@@ -1356,8 +1356,8 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
   ) {
     // Codec=Sse (Serialization based), see doc to use other codecs
 
-    final len_ = sse_decode_i_32(deserializer);
-    final ans_ = <OtherPromotion>[];
+    var len_ = sse_decode_i_32(deserializer);
+    var ans_ = <OtherPromotion>[];
     for (var idx_ = 0; idx_ < len_; ++idx_) {
       ans_.add(sse_decode_other_promotion(deserializer));
     }
@@ -1367,14 +1367,14 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
   @protected
   List<int> sse_decode_list_prim_u_8_loose(SseDeserializer deserializer) {
     // Codec=Sse (Serialization based), see doc to use other codecs
-    final len_ = sse_decode_i_32(deserializer);
+    var len_ = sse_decode_i_32(deserializer);
     return deserializer.buffer.getUint8List(len_);
   }
 
   @protected
   Uint8List sse_decode_list_prim_u_8_strict(SseDeserializer deserializer) {
     // Codec=Sse (Serialization based), see doc to use other codecs
-    final len_ = sse_decode_i_32(deserializer);
+    var len_ = sse_decode_i_32(deserializer);
     return deserializer.buffer.getUint8List(len_);
   }
 
@@ -1385,7 +1385,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
     // Codec=Sse (Serialization based), see doc to use other codecs
 
     if (sse_decode_bool(deserializer)) {
-      return sse_decode_box_autoadd_announced_user(deserializer);
+      return (sse_decode_box_autoadd_announced_user(deserializer));
     } else {
       return null;
     }
@@ -1396,7 +1396,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
     // Codec=Sse (Serialization based), see doc to use other codecs
 
     if (sse_decode_bool(deserializer)) {
-      return sse_decode_box_autoadd_i_64(deserializer);
+      return (sse_decode_box_autoadd_i_64(deserializer));
     } else {
       return null;
     }
@@ -1409,7 +1409,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
     // Codec=Sse (Serialization based), see doc to use other codecs
 
     if (sse_decode_bool(deserializer)) {
-      return sse_decode_list_list_prim_u_8_strict(deserializer);
+      return (sse_decode_list_list_prim_u_8_strict(deserializer));
     } else {
       return null;
     }
@@ -1422,7 +1422,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
     // Codec=Sse (Serialization based), see doc to use other codecs
 
     if (sse_decode_bool(deserializer)) {
-      return sse_decode_list_other_promotion(deserializer);
+      return (sse_decode_list_other_promotion(deserializer));
     } else {
       return null;
     }
@@ -1433,7 +1433,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
     // Codec=Sse (Serialization based), see doc to use other codecs
 
     if (sse_decode_bool(deserializer)) {
-      return sse_decode_list_prim_u_8_strict(deserializer);
+      return (sse_decode_list_prim_u_8_strict(deserializer));
     } else {
       return null;
     }
@@ -1442,12 +1442,12 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
   @protected
   OtherPromotion sse_decode_other_promotion(SseDeserializer deserializer) {
     // Codec=Sse (Serialization based), see doc to use other codecs
-    final var_promotionId = sse_decode_u_32(deserializer);
-    final var_publicId = sse_decode_i_64(deserializer);
-    final var_fromContactId = sse_decode_i_64(deserializer);
-    final var_threshold = sse_decode_u_8(deserializer);
-    final var_announcementShare = sse_decode_list_prim_u_8_strict(deserializer);
-    final var_publicKeyVerifiedTimestamp = sse_decode_opt_box_autoadd_i_64(
+    var var_promotionId = sse_decode_u_32(deserializer);
+    var var_publicId = sse_decode_i_64(deserializer);
+    var var_fromContactId = sse_decode_i_64(deserializer);
+    var var_threshold = sse_decode_u_8(deserializer);
+    var var_announcementShare = sse_decode_list_prim_u_8_strict(deserializer);
+    var var_publicKeyVerifiedTimestamp = sse_decode_opt_box_autoadd_i_64(
       deserializer,
     );
     return OtherPromotion(
@@ -1463,8 +1463,8 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
   @protected
   TwonlyConfig sse_decode_twonly_config(SseDeserializer deserializer) {
     // Codec=Sse (Serialization based), see doc to use other codecs
-    final var_databasePath = sse_decode_String(deserializer);
-    final var_dataDirectory = sse_decode_String(deserializer);
+    var var_databasePath = sse_decode_String(deserializer);
+    var var_dataDirectory = sse_decode_String(deserializer);
     return TwonlyConfig(
       databasePath: var_databasePath,
       dataDirectory: var_dataDirectory,
diff --git a/lib/core/frb_generated.io.dart b/lib/core/frb_generated.io.dart
index 77c9a8a1..e5c71e93 100644
--- a/lib/core/frb_generated.io.dart
+++ b/lib/core/frb_generated.io.dart
@@ -1,18 +1,16 @@
 // This file is automatically generated, so please do not edit it.
 // @generated by `flutter_rust_bridge`@ 2.12.0.
 
-// ignore_for_file: unused_import, unnecessary_import, non_constant_identifier_names, unused_field
-
-import 'dart:async';
-import 'dart:convert';
-import 'dart:ffi' as ffi;
-
-import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated_io.dart';
+// ignore_for_file: unused_import, unused_element, unnecessary_import, duplicate_ignore, invalid_use_of_internal_member, annotate_overrides, non_constant_identifier_names, curly_braces_in_flow_control_structures, prefer_const_literals_to_create_immutables, unused_field
 
 import 'bridge.dart';
 import 'bridge/callbacks.dart';
 import 'bridge/wrapper/user_discovery.dart';
+import 'dart:async';
+import 'dart:convert';
+import 'dart:ffi' as ffi;
 import 'frb_generated.dart';
+import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated_io.dart';
 
 abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   RustLibApiImplPlatform({
@@ -492,14 +490,14 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
 // Section: wire_class
 
 class RustLibWire implements BaseWire {
-  /// The symbols are looked up in [dynamicLibrary].
-  RustLibWire(ffi.DynamicLibrary dynamicLibrary)
-    : _lookup = dynamicLibrary.lookup;
-
   factory RustLibWire.fromExternalLibrary(ExternalLibrary lib) =>
       RustLibWire(lib.ffiDynamicLibrary);
 
   /// Holds the symbol lookup function.
   final ffi.Pointer<T> Function<T extends ffi.NativeType>(String symbolName)
   _lookup;
+
+  /// The symbols are looked up in [dynamicLibrary].
+  RustLibWire(ffi.DynamicLibrary dynamicLibrary)
+    : _lookup = dynamicLibrary.lookup;
 }
diff --git a/lib/core/frb_generated.web.dart b/lib/core/frb_generated.web.dart
index d56eac0e..8c2f83d1 100644
--- a/lib/core/frb_generated.web.dart
+++ b/lib/core/frb_generated.web.dart
@@ -1,19 +1,18 @@
 // This file is automatically generated, so please do not edit it.
 // @generated by `flutter_rust_bridge`@ 2.12.0.
 
-// ignore_for_file: unused_import, unnecessary_import, non_constant_identifier_names
+// ignore_for_file: unused_import, unused_element, unnecessary_import, duplicate_ignore, invalid_use_of_internal_member, annotate_overrides, non_constant_identifier_names, curly_braces_in_flow_control_structures, prefer_const_literals_to_create_immutables, unused_field
 
 // Static analysis wrongly picks the IO variant, thus ignore this
-
-import 'dart:async';
-import 'dart:convert';
-
-import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated_web.dart';
+// ignore_for_file: argument_type_not_assignable
 
 import 'bridge.dart';
 import 'bridge/callbacks.dart';
 import 'bridge/wrapper/user_discovery.dart';
+import 'dart:async';
+import 'dart:convert';
 import 'frb_generated.dart';
+import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated_web.dart';
 
 abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   RustLibApiImplPlatform({
@@ -493,7 +492,7 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
 // Section: wire_class
 
 class RustLibWire implements BaseWire {
-  RustLibWire.fromExternalLibrary();
+  RustLibWire.fromExternalLibrary(ExternalLibrary lib);
 }
 
 @JS('wasm_bindgen')
diff --git a/lib/main.dart b/lib/main.dart
index b48acf75..451c48b2 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -32,10 +32,10 @@ import 'package:twonly/src/utils/storage.dart';
 void main() async {
   SentryWidgetsFlutterBinding.ensureInitialized();
 
-  await RustLib.init();
   await AppEnvironment.init();
+  Log.init();
 
-  initLogger();
+  await RustLib.init();
 
   await initFlutterCallbacksForRust();
 
diff --git a/lib/src/services/background/callback_dispatcher.background.dart b/lib/src/services/background/callback_dispatcher.background.dart
index b271cbde..e154b5ae 100644
--- a/lib/src/services/background/callback_dispatcher.background.dart
+++ b/lib/src/services/background/callback_dispatcher.background.dart
@@ -1,6 +1,5 @@
 import 'dart:async';
 import 'package:mutex/mutex.dart';
-import 'package:path_provider/path_provider.dart';
 import 'package:sentry_flutter/sentry_flutter.dart';
 import 'package:twonly/globals.dart';
 import 'package:twonly/src/constants/keyvalue.keys.dart';
@@ -62,10 +61,8 @@ Future<bool> initBackgroundExecution() async {
   }
 
   SentryWidgetsFlutterBinding.ensureInitialized();
-  AppEnvironment.cacheDir = (await getApplicationCacheDirectory()).path;
-  AppEnvironment.supportDir = (await getApplicationSupportDirectory()).path;
-
-  initLogger();
+  await AppEnvironment.init();
+  Log.init();
 
   final user = await getUser();
   if (user == null) return false;
diff --git a/lib/src/utils/log.dart b/lib/src/utils/log.dart
index 70c92f98..0d229cde 100644
--- a/lib/src/utils/log.dart
+++ b/lib/src/utils/log.dart
@@ -8,25 +8,25 @@ import 'package:sentry_flutter/sentry_flutter.dart';
 import 'package:twonly/globals.dart';
 import 'package:twonly/src/utils/exclusive_access.dart';
 
-bool _isInitialized = false;
-
-void initLogger() {
-  if (_isInitialized) return;
-  _isInitialized = true;
-  Logger.root.level = Level.ALL;
-  Logger.root.onRecord.listen((record) async {
-    unawaited(_writeLogToFile(record));
-    if (!kReleaseMode) {
-      // ignore: avoid_print
-      print(
-        '${record.level.name} [twonly] ${record.loggerName} > ${record.message}',
-      );
-    }
-  });
-  cleanLogFile();
-}
-
 class Log {
+  static bool _isInitialized = false;
+
+  static void init() {
+    if (_isInitialized) return;
+    _isInitialized = true;
+    Logger.root.level = Level.ALL;
+    Logger.root.onRecord.listen((record) async {
+      unawaited(_writeLogToFile(record));
+      if (!kReleaseMode) {
+        // ignore: avoid_print
+        print(
+          '${record.level.name} [twonly] ${record.loggerName} > ${record.message}',
+        );
+      }
+    });
+    cleanLogFile();
+  }
+
   static String filterLogMessage(String msg) {
     if (msg.contains('SqliteException')) {
       // Do not log data which would be inserted into the DB.
diff --git a/rust/src/bridge/callbacks/macros.rs b/rust/src/bridge/callbacks/macros.rs
index bd5fa8aa..7fd28918 100644
--- a/rust/src/bridge/callbacks/macros.rs
+++ b/rust/src/bridge/callbacks/macros.rs
@@ -29,7 +29,7 @@ macro_rules! callback_generator {
 
         // 3. Generate the Automated Init Function
         paste::paste! {
-            pub async fn init_flutter_callbacks(
+            pub fn init_flutter_callbacks(
                 $(
                     $(
                         // Parameters: sub-struct_field + _ + fn_name
diff --git a/rust/src/frb_generated.rs b/rust/src/frb_generated.rs
index fe5347d3..f45a72af 100644
--- a/rust/src/frb_generated.rs
+++ b/rust/src/frb_generated.rs
@@ -132,7 +132,7 @@ fn wire__crate__bridge__callbacks__init_flutter_callbacks_impl(
     rust_vec_len_: i32,
     data_len_: i32,
 ) {
-    FLUTTER_RUST_BRIDGE_HANDLER.wrap_async::<flutter_rust_bridge::for_generated::SseCodec,_,_,_>(flutter_rust_bridge::for_generated::TaskInfo{ debug_name: "init_flutter_callbacks", port: Some(port_), mode: flutter_rust_bridge::for_generated::FfiCallMode::Normal }, move || { 
+    FLUTTER_RUST_BRIDGE_HANDLER.wrap_normal::<flutter_rust_bridge::for_generated::SseCodec,_,_>(flutter_rust_bridge::for_generated::TaskInfo{ debug_name: "init_flutter_callbacks", port: Some(port_), mode: flutter_rust_bridge::for_generated::FfiCallMode::Normal }, move || { 
             let message = unsafe { flutter_rust_bridge::for_generated::Dart2RustMessageSse::from_wire(ptr_, rust_vec_len_, data_len_) };
             let mut deserializer = flutter_rust_bridge::for_generated::SseDeserializer::new(message);
             let api_logging_get_stream_sink = decode_DartFn_Inputs__Output_StreamSink_String_Sse_AnyhowException(<flutter_rust_bridge::DartOpaque>::sse_decode(&mut deserializer));
@@ -148,10 +148,10 @@ let api_user_discovery_get_other_promotions_by_public_id = decode_DartFn_Inputs_
 let api_user_discovery_get_announced_user_by_public_id = decode_DartFn_Inputs_i_64_Output_opt_box_autoadd_announced_user_AnyhowException(<flutter_rust_bridge::DartOpaque>::sse_decode(&mut deserializer));
 let api_user_discovery_get_contact_version = decode_DartFn_Inputs_i_64_Output_opt_list_prim_u_8_strict_AnyhowException(<flutter_rust_bridge::DartOpaque>::sse_decode(&mut deserializer));
 let api_user_discovery_set_contact_version = decode_DartFn_Inputs_i_64_list_prim_u_8_strict_Output_bool_AnyhowException(<flutter_rust_bridge::DartOpaque>::sse_decode(&mut deserializer));
-let api_user_discovery_push_new_user_relation = decode_DartFn_Inputs_i_64_announced_user_opt_box_autoadd_i_64_Output_bool_AnyhowException(<flutter_rust_bridge::DartOpaque>::sse_decode(&mut deserializer));deserializer.end(); move |context| async move {
-                    transform_result_sse::<_, ()>((move || async move {
-                         let output_ok = Result::<_,()>::Ok({ crate::bridge::callbacks::init_flutter_callbacks(api_logging_get_stream_sink, api_user_discovery_sign_data, api_user_discovery_verify_signature, api_user_discovery_verify_stored_pubkey, api_user_discovery_set_shares, api_user_discovery_get_share_for_contact, api_user_discovery_push_own_promotion, api_user_discovery_get_own_promotions_after_version, api_user_discovery_store_other_promotion, api_user_discovery_get_other_promotions_by_public_id, api_user_discovery_get_announced_user_by_public_id, api_user_discovery_get_contact_version, api_user_discovery_set_contact_version, api_user_discovery_push_new_user_relation).await; })?;   Ok(output_ok)
-                    })().await)
+let api_user_discovery_push_new_user_relation = decode_DartFn_Inputs_i_64_announced_user_opt_box_autoadd_i_64_Output_bool_AnyhowException(<flutter_rust_bridge::DartOpaque>::sse_decode(&mut deserializer));deserializer.end(); move |context|  {
+                    transform_result_sse::<_, ()>((move ||  {
+                         let output_ok = Result::<_,()>::Ok({ crate::bridge::callbacks::init_flutter_callbacks(api_logging_get_stream_sink, api_user_discovery_sign_data, api_user_discovery_verify_signature, api_user_discovery_verify_stored_pubkey, api_user_discovery_set_shares, api_user_discovery_get_share_for_contact, api_user_discovery_push_own_promotion, api_user_discovery_get_own_promotions_after_version, api_user_discovery_store_other_promotion, api_user_discovery_get_other_promotions_by_public_id, api_user_discovery_get_announced_user_by_public_id, api_user_discovery_get_contact_version, api_user_discovery_set_contact_version, api_user_discovery_push_new_user_relation); })?;   Ok(output_ok)
+                    })())
                 } })
 }
 fn wire__crate__bridge__initialize_twonly_flutter_impl(