chore: sort using directives

Auto-formatter reordering of using statements across the solution.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

OpenNest.Engine/Sequencing/AdvancedSequencer.cs

@@ -1,7 +1,7 @@
-using System.Collections.Generic;
-using System.Linq;
 using OpenNest.CNC.CuttingStrategy;
 using OpenNest.Math;
+using System.Collections.Generic;
+using System.Linq;
 
 namespace OpenNest.Engine.Sequencing
 {

OpenNest.Engine/Sequencing/EdgeStartSequencer.cs

@@ -25,10 +25,10 @@ namespace OpenNest.Engine.Sequencing
 
         private static double MinEdgeDistance(OpenNest.Geometry.Vector center, OpenNest.Geometry.Box plateBox)
         {
-            var distLeft   = center.X - plateBox.Left;
-            var distRight  = plateBox.Right - center.X;
+            var distLeft = center.X - plateBox.Left;
+            var distRight = plateBox.Right - center.X;
             var distBottom = center.Y - plateBox.Bottom;
-            var distTop    = plateBox.Top - center.Y;
+            var distTop = plateBox.Top - center.Y;
 
             return System.Math.Min(System.Math.Min(distLeft, distRight), System.Math.Min(distBottom, distTop));
         }

OpenNest.Engine/Sequencing/LeastCodeSequencer.cs

@@ -1,6 +1,5 @@
-using System;
-using System.Collections.Generic;
 using OpenNest.Math;
+using System.Collections.Generic;
 
 namespace OpenNest.Engine.Sequencing
 {

OpenNest.Engine/Sequencing/PartSequencerFactory.cs

@@ -1,5 +1,5 @@
-using System;
 using OpenNest.CNC.CuttingStrategy;
+using System;
 
 namespace OpenNest.Engine.Sequencing
 {
@@ -9,12 +9,12 @@ namespace OpenNest.Engine.Sequencing
         {
             return parameters.Method switch
             {
-                SequenceMethod.RightSide  => new RightSideSequencer(),
-                SequenceMethod.LeftSide   => new LeftSideSequencer(),
+                SequenceMethod.RightSide => new RightSideSequencer(),
+                SequenceMethod.LeftSide => new LeftSideSequencer(),
                 SequenceMethod.BottomSide => new BottomSideSequencer(),
-                SequenceMethod.EdgeStart  => new EdgeStartSequencer(),
-                SequenceMethod.LeastCode  => new LeastCodeSequencer(),
-                SequenceMethod.Advanced   => new AdvancedSequencer(parameters),
+                SequenceMethod.EdgeStart => new EdgeStartSequencer(),
+                SequenceMethod.LeastCode => new LeastCodeSequencer(),
+                SequenceMethod.Advanced => new AdvancedSequencer(parameters),
                 _ => throw new NotSupportedException(
                     $"Sequence method '{parameters.Method}' is not supported.")
             };