Refactor timeout calculations for repeater and login frames to ensure minimum message size is respected; remove obsolete widget test file.

lib/screens/repeater_status_screen.dart

@@ -261,9 +261,12 @@ class _RepeaterStatusScreenState extends State<RepeaterStatusScreen> {
       await connector.sendFrame(frame);
 
       final pathLengthValue = selection.useFlood ? -1 : selection.hopCount;
-      final messageBytes = frame.length >= _statusResponseBytes
+      var messageBytes = frame.length >= _statusResponseBytes
           ? frame.length
           : _statusResponseBytes;
+      if (messageBytes < maxFrameSize) {
+        messageBytes = maxFrameSize;
+      }
       final timeoutMs = connector.calculateTimeout(
         pathLength: pathLengthValue,
         messageBytes: messageBytes,

lib/screens/telemetry_screen.dart

@@ -121,9 +121,12 @@ class _TelemetryScreenState extends State<TelemetryScreen> {
       await connector.sendFrame(frame);
 
       final pathLengthValue = selection.useFlood ? -1 : selection.hopCount;
-      final messageBytes = frame.length >= _statusResponseBytes
+      var messageBytes = frame.length >= _statusResponseBytes
           ? frame.length
           : _statusResponseBytes;
+      if (messageBytes < maxFrameSize) {
+        messageBytes = maxFrameSize;
+      }
       final timeoutMs = connector.calculateTimeout(
         pathLength: pathLengthValue,
         messageBytes: messageBytes,

lib/services/repeater_command_service.dart

@@ -70,11 +70,6 @@ class RepeaterCommandService {
       _pendingByPrefix[prefix] = commandId;
       final framedCommand = '$prefix$command';
       final pathLengthValue = selection.useFlood ? -1 : selection.hopCount;
-      final timeoutMs = _connector.calculateTimeout(
-        pathLength: pathLengthValue,
-        messageBytes: framedCommand.length,
-      );
-      final timeoutSeconds = (timeoutMs / 1000).ceil();
       final timestampSeconds = DateTime.now().millisecondsSinceEpoch ~/ 1000;
       _connector.trackRepeaterAck(
         contact: repeater,
@@ -89,6 +84,12 @@ class RepeaterCommandService {
         attempt: attempt,
         timestampSeconds: timestampSeconds,
       );
+      final responseBytes = frame.length > maxFrameSize ? frame.length : maxFrameSize;
+      final timeoutMs = _connector.calculateTimeout(
+        pathLength: pathLengthValue,
+        messageBytes: responseBytes,
+      );
+      final timeoutSeconds = (timeoutMs / 1000).ceil();
       await _connector.sendFrame(frame);
       _commandTimeouts[commandId]?.cancel();
       _commandTimeouts[commandId] = Timer(

lib/widgets/repeater_login_dialog.dart

@@ -91,9 +91,12 @@ class _RepeaterLoginDialogState extends State<RepeaterLoginDialog> {
       final selection = await _connector.preparePathForContactSend(repeater);
       final loginFrame = buildSendLoginFrame(repeater.publicKey, password);
       final pathLengthValue = selection.useFlood ? -1 : selection.hopCount;
+      final responseBytes = loginFrame.length > maxFrameSize
+          ? loginFrame.length
+          : maxFrameSize;
       final timeoutMs = _connector.calculateTimeout(
         pathLength: pathLengthValue,
-        messageBytes: loginFrame.length,
+        messageBytes: responseBytes,
       );
       final timeoutSeconds = (timeoutMs / 1000).ceil();
       final timeout = Duration(milliseconds: timeoutMs);

lib/widgets/room_login_dialog.dart

@@ -91,9 +91,12 @@ class _RoomLoginDialogState extends State<RoomLoginDialog> {
       final selection = await _connector.preparePathForContactSend(room);
       final loginFrame = buildSendLoginFrame(room.publicKey, password);
       final pathLengthValue = selection.useFlood ? -1 : selection.hopCount;
+      final responseBytes = loginFrame.length > maxFrameSize
+          ? loginFrame.length
+          : maxFrameSize;
       final timeoutMs = _connector.calculateTimeout(
         pathLength: pathLengthValue,
-        messageBytes: loginFrame.length,
+        messageBytes: responseBytes,
       );
       final timeoutSeconds = (timeoutMs / 1000).ceil();
       final timeout = Duration(milliseconds: timeoutMs);

test/widget_test.dart

@@ -1,12 +0,0 @@
-import 'package:flutter_test/flutter_test.dart';
-import 'package:meshcore_open/main.dart';
-
-void main() {
-  testWidgets('App loads successfully', (WidgetTester tester) async {
-    // Build our app and trigger a frame.
-    await tester.pumpWidget(const MeshCoreApp());
-
-    // Verify that the app title appears
-    expect(find.text('MeshCore Open'), findsOneWidget);
-  });
-}