From 65d2fb4468e62de566fec05f2f359ae53bf4a96b Mon Sep 17 00:00:00 2001
From: Galygious <galygious@example.com>
Date: Mon, 16 Mar 2026 06:54:44 -0500
Subject: [PATCH] fix(flutter): clamp remote canvas margin persistence

---
 flutter/lib/desktop/widgets/remote_toolbar.dart | 8 +++++---
 flutter/lib/models/model.dart                   | 2 +-
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/flutter/lib/desktop/widgets/remote_toolbar.dart b/flutter/lib/desktop/widgets/remote_toolbar.dart
index 0133efb8e..8ad6238bc 100644
--- a/flutter/lib/desktop/widgets/remote_toolbar.dart
+++ b/flutter/lib/desktop/widgets/remote_toolbar.dart
@@ -1111,9 +1111,11 @@ class _DisplayMenuState extends State<_DisplayMenu> {
       final edgeScrollEdgeThickness = await bind
           .sessionGetEdgeScrollEdgeThickness(sessionId: ffi.sessionId);
       final remoteCanvasMargin =
-          double.tryParse(bind.mainGetUserDefaultOption(
-                  key: kOptionRemoteCanvasMargin)) ??
-              0;
+          (double.tryParse(bind.mainGetUserDefaultOption(
+                      key: kOptionRemoteCanvasMargin)) ??
+                  0)
+              .clamp(0, 400)
+              .toDouble();
       return {
         'visible': visible,
         'scrollStyle': scrollStyle,
diff --git a/flutter/lib/models/model.dart b/flutter/lib/models/model.dart
index c4b079e06..617d7975e 100644
--- a/flutter/lib/models/model.dart
+++ b/flutter/lib/models/model.dart
@@ -2204,7 +2204,7 @@ class CanvasModel with ChangeNotifier {
   }
 
   Future<void> setRemoteCanvasMargin(double value) async {
-    final normalizedValue = max(0, value.round());
+    final normalizedValue = value.clamp(0, 400).round();
     await bind.mainSetUserDefaultOption(
         key: kOptionRemoteCanvasMargin, value: normalizedValue.toString());
     await updateViewStyle();