diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..3030c1a
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,30 @@
+# Line endings: LF everywhere, on every OS, whatever core.autocrlf says.
+* text=auto eol=lf
+
+# cmd.exe misreads labels and goto in LF batch files, so they stay CRLF.
+*.bat text eol=crlf
+*.cmd text eol=crlf
+
+# Binaries: never converted, never diffed as text.
+*.png binary
+*.jpg binary
+*.jpeg binary
+*.webp binary
+*.svg text
+*.ogg binary
+*.wav binary
+*.mp3 binary
+*.ttf binary
+*.otf binary
+*.woff binary
+*.woff2 binary
+*.dll binary
+*.so binary
+*.dylib binary
+*.pdb binary
+*.exe binary
+*.zip binary
+*.pck binary
+*.moc3 binary
+*.res binary
+*.scn binary
diff --git a/src/Services/ScenarioGraphData.cs b/src/Services/ScenarioGraphData.cs
index 82c11f1..2b5f65b 100644
--- a/src/Services/ScenarioGraphData.cs
+++ b/src/Services/ScenarioGraphData.cs
@@ -1,38 +1,38 @@
-using System.Collections.Generic;
-
-namespace Cthangover.Tools.Services
-{
-    /// <summary>One scenario attached to a scene node (shown on the graph node and in its detail links).</summary>
-    public sealed class ScenarioGraphLink
-    {
-        public string Name { get; set; }
-        public int Priority { get; set; }
-        public string Key { get; set; }
-    }
-
-    /// <summary>One scene of the cross-scenario graph: owning mod, background list, start-scene flag and its scenarios.</summary>
-    public sealed class SceneGraphNode
-    {
-        public string SceneName { get; set; }
-        public string ModId { get; set; }
-        public int ScenarioCount { get; set; }
-        public List<string> Backgrounds { get; set; } = new();
-        public bool IsStartScene { get; set; }
-        public List<ScenarioGraphLink> Scenarios { get; set; } = new();
-        public bool HasErrors { get; set; }
-    }
-
-    /// <summary>Directed switch-target link between two scenes of the graph.</summary>
-    public sealed class SceneGraphEdge
-    {
-        public string FromScene { get; set; }
-        public string ToScene { get; set; }
-    }
-
-    /// <summary>Complete graph model consumed by <c>ScenarioGraphView</c>.</summary>
-    public sealed class SceneGraphData
-    {
-        public List<SceneGraphNode> Nodes { get; set; } = new();
-        public List<SceneGraphEdge> Edges { get; set; } = new();
-    }
-}
+using System.Collections.Generic;
+
+namespace Cthangover.Tools.Services
+{
+    /// <summary>One scenario attached to a scene node (shown on the graph node and in its detail links).</summary>
+    public sealed class ScenarioGraphLink
+    {
+        public string Name { get; set; }
+        public int Priority { get; set; }
+        public string Key { get; set; }
+    }
+
+    /// <summary>One scene of the cross-scenario graph: owning mod, background list, start-scene flag and its scenarios.</summary>
+    public sealed class SceneGraphNode
+    {
+        public string SceneName { get; set; }
+        public string ModId { get; set; }
+        public int ScenarioCount { get; set; }
+        public List<string> Backgrounds { get; set; } = new();
+        public bool IsStartScene { get; set; }
+        public List<ScenarioGraphLink> Scenarios { get; set; } = new();
+        public bool HasErrors { get; set; }
+    }
+
+    /// <summary>Directed switch-target link between two scenes of the graph.</summary>
+    public sealed class SceneGraphEdge
+    {
+        public string FromScene { get; set; }
+        public string ToScene { get; set; }
+    }
+
+    /// <summary>Complete graph model consumed by <c>ScenarioGraphView</c>.</summary>
+    public sealed class SceneGraphData
+    {
+        public List<SceneGraphNode> Nodes { get; set; } = new();
+        public List<SceneGraphEdge> Edges { get; set; } = new();
+    }
+}