Add QRValidation project to repository

- Added QRValidation vision control system
- Includes CapCleaningControl UI components
- WebSocket-based barcode validation system
- Support for Crevis PLC integration
- Test projects for PLC emulator, motion, IO panel, and Modbus

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

QRValidation/CapCleaningControl/CtlSensor.cs

@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Windows.Forms;
+
+namespace UIControl
+{
+    public partial class CtlSensor : Control
+    {
+        string text_ = string.Empty;
+        Font font_ = new Font("맑은 고딕", 10);
+        [Browsable(true)]
+        public new string Text { get { return text_; } set { text_ = value; this.Invalidate(); } }
+        [Browsable(true)]
+        public new Font Font { get { return font_; } set { font_ = value; this.Invalidate(); } }
+
+        public Color ColorOn { get; set; }
+        public Color ColorOff { get; set; }
+        public Boolean Value { get; set; }
+        public CtlSensor()
+        {
+            InitializeComponent();
+            this.MaximumSize = new Size(80, 80);
+            this.MinimumSize = new Size(40, 40);
+            this.ColorOn = Color.Lime;
+            this.ColorOff = Color.DimGray;
+            //if (this.Font == null) this.Font = new Font("맑은 고딕", 10);
+            //if (this.Text == null) this.Text = string.Empty;
+            Value = false;
+        }
+
+        protected override void OnPaint(PaintEventArgs pe)
+        {
+            base.OnPaint(pe);
+         //   pe.Graphics.DrawRect( this.DisplayRectangle,Color.Gray,2);
+
+            var rect = new Rectangle(this.DisplayRectangle.Left + 1, DisplayRectangle.Top + 1, DisplayRectangle.Width - 2, DisplayRectangle.Height - 2);
+            if (Value) pe.Graphics.FillEllipse(new SolidBrush(ColorOn), rect);
+            else pe.Graphics.FillEllipse(new SolidBrush(ColorOff), rect);
+            pe.Graphics.DrawEllipse(Pens.Black, rect);
+
+
+            if (string.IsNullOrEmpty(Text) == false)
+            {
+                pe.Graphics.DrawString(Text,
+                    this.Font,
+                    Brushes.Black,
+                    DisplayRectangle,
+                    new StringFormat { Alignment = StringAlignment.Center, LineAlignment = StringAlignment.Center });
+            }
+        }
+    }
+}