Built test page for testing tray output for debugging in main app.

PrintServiceTray/Models/PrinterConfig.cs

@@ -15,6 +15,14 @@ public class DocumentTypeConfig
 {
     public string Name { get; set; } = string.Empty;
     public List<PageConfig> Pages { get; set; } = new();
+
+    // Rust transformation properties (optional - can be edited in JSON directly)
+    public int LinePadding { get; set; } = 0;
+    public bool RemoveOrderNumber { get; set; } = false;
+    public bool RemoveOrderNumberLabel { get; set; } = false;
+    public string IndentOrderNumber { get; set; } = string.Empty;
+    public Dictionary<int, int> RowShift { get; set; } = new();
+    public Dictionary<int, RowTrimConfig> RowTrim { get; set; } = new();
 }
 
 /// <summary>
@@ -27,3 +35,12 @@ public class PageConfig
     public int TrayNumber { get; set; }
     public string? TrayLabel { get; set; } // Optional: "Pink Paper", "Green Paper", etc.
 }
+
+/// <summary>
+/// Configuration for row trimming (horizontal character removal)
+/// </summary>
+public class RowTrimConfig
+{
+    public int Start { get; set; }
+    public int End { get; set; }
+}