diff --git a/Server/Components/AICore/Facade/LLM/OllamaApiClient.cs b/Server/Components/AICore/Facade/LLM/OllamaApiClient.cs
index 2a922bcc4..8325f843d 100644
--- a/Server/Components/AICore/Facade/LLM/OllamaApiClient.cs
+++ b/Server/Components/AICore/Facade/LLM/OllamaApiClient.cs
@@ -72,10 +72,17 @@ namespace AICore.Facade.LLM
 		}
 
 		public override ApiResponse<string> SendAiMessageRequest(dynamic payload, out string message, out string model, out int? duration, FileLogger logger = null)
+		{
+			return SendAiMessageRequest((object)payload, out message, out model, out duration, out long? _, out long? _, logger);
+		}
+
+		public ApiResponse<string> SendAiMessageRequest(dynamic payload, out string message, out string model, out int? duration, out long? prompt_eval_count, out long? eval_count, FileLogger logger = null)
 		{
 			message = null;
 			duration = null;
 			model = null;
+			prompt_eval_count = null;
+			eval_count = null;
 
 			_PostClientFacade.JsonObject = payload;
 
@@ -123,6 +130,9 @@ namespace AICore.Facade.LLM
 
 			var json = response.GetResponseData();
 
+			prompt_eval_count = json.prompt_eval_count;
+			eval_count = json.eval_count;
+
 			if (json.message is object && !string.IsNullOrEmpty(json.message.content))
 			{
 				var total_ns = json.total_duration;
diff --git a/Tools/AiTokenAnalyzer/AiTokenAnalyzer/AiTokenAnalyzer.csproj b/Tools/AiTokenAnalyzer/AiTokenAnalyzer/AiTokenAnalyzer.csproj
index e3e33e3b1..4ff3596ff 100644
--- a/Tools/AiTokenAnalyzer/AiTokenAnalyzer/AiTokenAnalyzer.csproj
+++ b/Tools/AiTokenAnalyzer/AiTokenAnalyzer/AiTokenAnalyzer.csproj
@@ -1,11 +1,22 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>net8.0-windows</TargetFramework>
-    <Nullable>enable</Nullable>
-    <ImplicitUsings>enable</ImplicitUsings>
+    <TargetFramework>net48</TargetFramework>
     <UseWPF>true</UseWPF>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="SharpToken" Version="2.0.3" />
+    <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.1.2" />
+    <PackageReference Include="System.Buffers" Version="4.6.1" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\Server\Components\AICore\AICore.csproj" />
+    <ProjectReference Include="..\..\..\Server\Components\ServerUtils\ServerUtils.csproj" />
+    <ProjectReference Include="..\..\..\Shared\Shared.csproj" />
+  </ItemGroup>
+
 </Project>
diff --git a/Tools/AiTokenAnalyzer/AiTokenAnalyzer/MainWindow.xaml b/Tools/AiTokenAnalyzer/AiTokenAnalyzer/MainWindow.xaml
index 6332038da..8e04c91f8 100644
--- a/Tools/AiTokenAnalyzer/AiTokenAnalyzer/MainWindow.xaml
+++ b/Tools/AiTokenAnalyzer/AiTokenAnalyzer/MainWindow.xaml
@@ -1,12 +1,116 @@
-<Window x:Class="AiTokenAnalyzer.MainWindow"
+<Window x:Class="AiTokenAnalyzer.MainWindow"
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:AiTokenAnalyzer"
         mc:Ignorable="d"
-        Title="MainWindow" Height="450" Width="800">
-    <Grid>
+        xml:lang="de-DE"
+        Title="Ai Token Analyzer" Height="850" Width="1200" WindowStartupLocation="CenterScreen">
+    <Grid Margin="10">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="2*"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="3*"/>
+            <RowDefinition Height="Auto"/>
+        </Grid.RowDefinitions>
 
+        <GroupBox Grid.Row="0" Header="Verbindung" Padding="5">
+            <Grid>
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="Auto"/>
+                    <ColumnDefinition Width="2*"/>
+                    <ColumnDefinition Width="Auto"/>
+                    <ColumnDefinition Width="3*"/>
+                    <ColumnDefinition Width="Auto"/>
+                </Grid.ColumnDefinitions>
+                <Grid.RowDefinitions>
+                    <RowDefinition Height="Auto"/>
+                    <RowDefinition Height="Auto"/>
+                </Grid.RowDefinitions>
+
+                <Label Grid.Row="0" Grid.Column="0" Content="URL:" VerticalAlignment="Center"/>
+                <TextBox Grid.Row="0" Grid.Column="1" x:Name="TxtUrl" Margin="0,2" VerticalContentAlignment="Center" Text="https://ai2.ownsoft.de"/>
+
+                <Label Grid.Row="0" Grid.Column="2" Content="API-Key:" VerticalAlignment="Center" Margin="10,0,0,0"/>
+                <TextBox Grid.Row="0" Grid.Column="3" Grid.ColumnSpan="2" x:Name="TxtApiKey" Margin="0,2" VerticalContentAlignment="Center" Text="mu9ZPuUXJ4aVGLU1WL2RfPCeSMRmJREwyjVJBP7bHfSz8quZRqN7e7UwnwCDi8GZ"/>
+
+                <Label Grid.Row="1" Grid.Column="0" Content="Modell:" VerticalAlignment="Center"/>
+                <ComboBox Grid.Row="1" Grid.Column="1" x:Name="CmbModel" Margin="0,2" IsEditable="True" VerticalContentAlignment="Center" Text="gemma3_12b_max_context:latest"/>
+
+                <Button Grid.Row="1" Grid.Column="4" x:Name="BtnLoadModels" Content="Modelle laden" Width="120" Margin="10,2,0,2" Click="BtnLoadModels_Click"/>
+            </Grid>
+        </GroupBox>
+
+        <GroupBox Grid.Row="1" Header="Analyse-Einstellungen" Padding="5">
+            <Grid>
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="Auto"/>
+                    <ColumnDefinition Width="2*"/>
+                    <ColumnDefinition Width="Auto"/>
+                    <ColumnDefinition Width="*"/>
+                    <ColumnDefinition Width="Auto"/>
+                </Grid.ColumnDefinitions>
+                <Grid.RowDefinitions>
+                    <RowDefinition Height="Auto"/>
+                    <RowDefinition Height="Auto"/>
+                </Grid.RowDefinitions>
+
+                <Label Grid.Row="0" Grid.Column="0" Content="Zeichenanzahlen:" VerticalAlignment="Center"/>
+                <TextBox Grid.Row="0" Grid.Column="1" x:Name="TxtSizes" Margin="0,2" VerticalContentAlignment="Center" Text="50k, 100k, 150k"
+                         ToolTip="Kommagetrennte Liste, z.B. '50k, 100k, 150k' oder '50000, 100000'"/>
+
+                <Label Grid.Row="0" Grid.Column="2" Content="num_ctx:" VerticalAlignment="Center" Margin="10,0,0,0"/>
+                <TextBox Grid.Row="0" Grid.Column="3" x:Name="TxtNumCtx" Margin="0,2" VerticalContentAlignment="Center"
+                         ToolTip="Optional: wird als options.num_ctx mitgesendet. Ohne ausreichend großes Kontextfenster schneidet Ollama den Prompt ab und prompt_eval_count ist gedeckelt."/>
+
+                <CheckBox Grid.Row="0" Grid.Column="4" x:Name="ChkRepeat" Content="Text wiederholen bis Zielgröße" IsChecked="True" VerticalAlignment="Center" Margin="10,0,0,0"
+                          ToolTip="Ist der Eingabetext kürzer als die Zielgröße, wird er so oft aneinandergehängt, bis die Zielgröße erreicht ist."/>
+
+                <Label Grid.Row="1" Grid.Column="0" Content="System-Prompt:" VerticalAlignment="Center"/>
+                <TextBox Grid.Row="1" Grid.Column="1" x:Name="TxtSystemPrompt" Margin="0,2" VerticalContentAlignment="Center" Text="Antworte ausschließlich mit 'OK'."
+                         ToolTip="Optional: hält die Antwort kurz. Zählt mit wenigen Tokens in prompt_eval_count mit."/>
+
+                <Label Grid.Row="1" Grid.Column="2" Content="CustomerId:" VerticalAlignment="Center" Margin="10,0,0,0"/>
+                <TextBox Grid.Row="1" Grid.Column="3" x:Name="TxtCustomerId" Margin="0,2" VerticalContentAlignment="Center"
+                         ToolTip="Optional: wird als 'customerid' mitgesendet."/>
+            </Grid>
+        </GroupBox>
+
+        <GroupBox Grid.Row="2" Header="Eingabetext" Padding="5">
+            <DockPanel>
+                <TextBlock DockPanel.Dock="Bottom" x:Name="TxtInputInfo" Margin="0,3,0,0" Text="Zeichen: 0"/>
+                <TextBox x:Name="TxtInput" AcceptsReturn="True" TextWrapping="Wrap"
+                         VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Disabled"
+                         TextChanged="TxtInput_TextChanged"/>
+            </DockPanel>
+        </GroupBox>
+
+        <StackPanel Grid.Row="3" Orientation="Horizontal" HorizontalAlignment="Right" Margin="0,5">
+            <Button x:Name="BtnAnalyze" Content="Analysieren" Width="120" Height="26" Click="BtnAnalyze_Click"/>
+            <Button x:Name="BtnCancel" Content="Abbrechen" Width="120" Height="26" Margin="10,0,0,0" IsEnabled="False" Click="BtnCancel_Click"/>
+        </StackPanel>
+
+        <GroupBox Grid.Row="4" Header="Ergebnis" Padding="5">
+            <DataGrid x:Name="GridResults" AutoGenerateColumns="False" IsReadOnly="True" CanUserAddRows="False"
+                      HeadersVisibility="Column" GridLinesVisibility="All">
+                <DataGrid.Columns>
+                    <DataGridTextColumn Header="Zielgröße" Binding="{Binding TargetChars, StringFormat=N0}" Width="Auto"/>
+                    <DataGridTextColumn Header="Zeichen (gesendet)" Binding="{Binding ActualChars, StringFormat=N0}" Width="Auto"/>
+                    <DataGridTextColumn Header="Zeichen / 3" Binding="{Binding EstDiv3, StringFormat=N0}" Width="Auto"/>
+                    <DataGridTextColumn Header="Zeichen / 3,5" Binding="{Binding EstDiv3_5, StringFormat=N0}" Width="Auto"/>
+                    <DataGridTextColumn Header="cl100k" Binding="{Binding Cl100k, StringFormat=N0}" Width="Auto"/>
+                    <DataGridTextColumn Header="prompt_eval_count" Binding="{Binding PromptEvalCount, StringFormat=N0}" Width="Auto"/>
+                    <DataGridTextColumn Header="Dauer (ms)" Binding="{Binding Duration, StringFormat=N0}" Width="Auto"/>
+                    <DataGridTextColumn Header="Status" Binding="{Binding Status}" Width="*"/>
+                </DataGrid.Columns>
+            </DataGrid>
+        </GroupBox>
+
+        <StatusBar Grid.Row="5" Margin="0,5,0,0">
+            <TextBlock x:Name="TxtStatus" Text="Bereit."/>
+        </StatusBar>
     </Grid>
 </Window>
diff --git a/Tools/AiTokenAnalyzer/AiTokenAnalyzer/MainWindow.xaml.cs b/Tools/AiTokenAnalyzer/AiTokenAnalyzer/MainWindow.xaml.cs
index 4f374082f..eab59a567 100644
--- a/Tools/AiTokenAnalyzer/AiTokenAnalyzer/MainWindow.xaml.cs
+++ b/Tools/AiTokenAnalyzer/AiTokenAnalyzer/MainWindow.xaml.cs
@@ -1,24 +1,307 @@
-using System.Text;
+using AICore.Facade.LLM;
+using SharpToken;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
-using System.Windows.Data;
-using System.Windows.Documents;
-using System.Windows.Input;
-using System.Windows.Media;
-using System.Windows.Media.Imaging;
-using System.Windows.Navigation;
-using System.Windows.Shapes;
 
 namespace AiTokenAnalyzer
 {
-    /// <summary>
-    /// Interaction logic for MainWindow.xaml
-    /// </summary>
-    public partial class MainWindow : Window
-    {
-        public MainWindow()
-        {
-            InitializeComponent();
-        }
-    }
-}
\ No newline at end of file
+	/// <summary>
+	/// Interaction logic for MainWindow.xaml
+	/// </summary>
+	public partial class MainWindow : Window
+	{
+		public ObservableCollection<TokenAnalyzeRow> Rows { get; } = new ObservableCollection<TokenAnalyzeRow>();
+
+		private CancellationTokenSource _Cts;
+
+		public MainWindow()
+		{
+			InitializeComponent();
+
+			GridResults.ItemsSource = Rows;
+		}
+
+		private OllamaApiClient createClient()
+			=> new OllamaApiClient(TxtUrl.Text.Trim(), TxtApiKey.Text.Trim());
+
+		private void TxtInput_TextChanged(object sender, TextChangedEventArgs e)
+		{
+			if (TxtInputInfo is object)
+				TxtInputInfo.Text = $"Zeichen: {TxtInput.Text.Length:N0}";
+		}
+
+		private async void BtnLoadModels_Click(object sender, RoutedEventArgs e)
+		{
+			BtnLoadModels.IsEnabled = false;
+			TxtStatus.Text = "Lade Modelle...";
+
+			try
+			{
+				var client = createClient();
+
+				var response = await Task.Run(() => client.GetAiModelle());
+
+				if (response?.Success != true)
+				{
+					TxtStatus.Text = "Fehler beim Laden der Modelle: " + response?.ToErrorString();
+					return;
+				}
+
+				var model_names = response.Data.Select(m => m.ModelName).OrderBy(x => x).ToList();
+				var current = CmbModel.Text;
+
+				CmbModel.ItemsSource = model_names;
+				CmbModel.Text = current;
+
+				TxtStatus.Text = $"{model_names.Count} Modelle geladen.";
+			}
+			catch (Exception ex)
+			{
+				TxtStatus.Text = "Fehler beim Laden der Modelle: " + ex.Message;
+			}
+			finally
+			{
+				BtnLoadModels.IsEnabled = true;
+			}
+		}
+
+		private async void BtnAnalyze_Click(object sender, RoutedEventArgs e)
+		{
+			var text = TxtInput.Text;
+
+			if (string.IsNullOrEmpty(text))
+			{
+				MessageBox.Show("Bitte einen Eingabetext angeben.", Title, MessageBoxButton.OK, MessageBoxImage.Warning);
+				return;
+			}
+
+			var model = CmbModel.Text?.Trim();
+
+			if (string.IsNullOrEmpty(model))
+			{
+				MessageBox.Show("Bitte ein Modell angeben.", Title, MessageBoxButton.OK, MessageBoxImage.Warning);
+				return;
+			}
+
+			List<int> sizes;
+
+			try
+			{
+				sizes = parseSizes(TxtSizes.Text);
+			}
+			catch (FormatException ex)
+			{
+				MessageBox.Show(ex.Message, Title, MessageBoxButton.OK, MessageBoxImage.Warning);
+				return;
+			}
+
+			if (sizes.Count == 0)
+			{
+				MessageBox.Show("Bitte mindestens eine Zeichenanzahl angeben (z.B. '50k, 100k, 150k').", Title, MessageBoxButton.OK, MessageBoxImage.Warning);
+				return;
+			}
+
+			int? num_ctx = null;
+			var num_ctx_text = TxtNumCtx.Text?.Trim();
+
+			if (!string.IsNullOrEmpty(num_ctx_text))
+			{
+				if (!int.TryParse(num_ctx_text, out var tmp) || tmp <= 0)
+				{
+					MessageBox.Show("Ungültiger Wert für num_ctx.", Title, MessageBoxButton.OK, MessageBoxImage.Warning);
+					return;
+				}
+
+				num_ctx = tmp;
+			}
+
+			var repeat = ChkRepeat.IsChecked == true;
+			var system_prompt = TxtSystemPrompt.Text?.Trim();
+			var customer_id = TxtCustomerId.Text?.Trim();
+
+			BtnAnalyze.IsEnabled = false;
+			BtnCancel.IsEnabled = true;
+			_Cts = new CancellationTokenSource();
+
+			try
+			{
+				await runAnalysisAsync(text, sizes, model, repeat, system_prompt, customer_id, num_ctx, _Cts.Token);
+			}
+			finally
+			{
+				_Cts.Dispose();
+				_Cts = null;
+				BtnAnalyze.IsEnabled = true;
+				BtnCancel.IsEnabled = false;
+			}
+		}
+
+		private void BtnCancel_Click(object sender, RoutedEventArgs e)
+		{
+			_Cts?.Cancel();
+			TxtStatus.Text = "Abbruch angefordert (laufender Request wird noch abgewartet)...";
+		}
+
+		private async Task runAnalysisAsync(string text, List<int> sizes, string model, bool repeat, string system_prompt, string customer_id, int? num_ctx, CancellationToken token)
+		{
+			Rows.Clear();
+
+			// Zeilen + Text-Chunks vorbereiten
+			var chunks = new List<KeyValuePair<TokenAnalyzeRow, string>>();
+
+			foreach (var size in sizes.Distinct().OrderBy(x => x))
+			{
+				var chunk = buildChunk(text, size, repeat);
+
+				var row = new TokenAnalyzeRow
+				{
+					TargetChars = size,
+					ActualChars = chunk.Length,
+					Status = "Wartet"
+				};
+
+				Rows.Add(row);
+				chunks.Add(new KeyValuePair<TokenAnalyzeRow, string>(row, chunk));
+			}
+
+			// Lokale cl100k-Abschätzung
+			TxtStatus.Text = "Berechne cl100k-Abschätzung...";
+
+			var encoding = await Task.Run(() => GptEncoding.GetEncoding("cl100k_base"));
+
+			foreach (var pair in chunks)
+				pair.Key.Cl100k = await Task.Run(() => encoding.Encode(pair.Value).Count);
+
+			// LLM-Requests (sequenziell)
+			var client = createClient();
+			var index = 0;
+
+			foreach (var pair in chunks)
+			{
+				var row = pair.Key;
+
+				if (token.IsCancellationRequested)
+				{
+					row.Status = "Abgebrochen";
+					continue;
+				}
+
+				index++;
+				TxtStatus.Text = $"Sende Request {index}/{chunks.Count} ({row.ActualChars:N0} Zeichen) an '{model}'...";
+				row.Status = "Läuft...";
+
+				var payload = buildPayload(model, system_prompt, pair.Value, customer_id, num_ctx);
+
+				try
+				{
+					var result = await Task.Run(() =>
+					{
+						var response = client.SendAiMessageRequest(payload, out string message, out string response_model, out int? duration, out long? prompt_eval_count, out long? eval_count);
+
+						return new { response, duration, prompt_eval_count };
+					});
+
+					row.PromptEvalCount = result.prompt_eval_count;
+					row.Duration = result.duration;
+
+					if (result.prompt_eval_count is long)
+						row.Status = "OK";
+					else if (result.response is object && !result.response.Success)
+						row.Status = "Fehler: " + result.response.ToErrorString();
+					else
+						row.Status = "Fehler: keine prompt_eval_count in der Antwort";
+				}
+				catch (Exception ex)
+				{
+					row.Status = "Fehler: " + ex.Message;
+				}
+			}
+
+			TxtStatus.Text = token.IsCancellationRequested ? "Analyse abgebrochen." : "Analyse abgeschlossen.";
+		}
+
+		/// <summary>
+		/// Kürzt den Text auf die Zielgröße. Ist er zu kurz, wird er optional
+		/// so oft wiederholt, bis die Zielgröße erreicht ist.
+		/// </summary>
+		private static string buildChunk(string text, int target_chars, bool repeat)
+		{
+			if (text.Length >= target_chars)
+				return text.Substring(0, target_chars);
+
+			if (!repeat)
+				return text;
+
+			var sb = new StringBuilder(target_chars + text.Length);
+
+			while (sb.Length < target_chars)
+				sb.Append(text);
+
+			return sb.ToString(0, target_chars);
+		}
+
+		/// <summary>
+		/// Parst z.B. "50k, 100k, 150k" oder "50000; 100000" zu Zeichenanzahlen.
+		/// </summary>
+		private static List<int> parseSizes(string input)
+		{
+			var result = new List<int>();
+
+			foreach (var part in (input ?? "").Split(new[] { ',', ';' }, StringSplitOptions.RemoveEmptyEntries))
+			{
+				var s = part.Trim().ToLowerInvariant().Replace(".", "").Replace(" ", "");
+				var factor = 1;
+
+				if (s.EndsWith("k"))
+				{
+					factor = 1000;
+					s = s.Substring(0, s.Length - 1);
+				}
+				else if (s.EndsWith("m"))
+				{
+					factor = 1000000;
+					s = s.Substring(0, s.Length - 1);
+				}
+
+				if (!int.TryParse(s, out var value) || value <= 0)
+					throw new FormatException($"Ungültige Zeichenanzahl: '{part.Trim()}'");
+
+				result.Add(value * factor);
+			}
+
+			return result;
+		}
+
+		private static object buildPayload(string model, string system_prompt, string user_message, string customer_id, int? num_ctx)
+		{
+			var messages = new List<object>();
+
+			if (!string.IsNullOrEmpty(system_prompt))
+				messages.Add(new { role = "system", content = system_prompt });
+
+			messages.Add(new { role = "user", content = user_message });
+
+			var payload = new Dictionary<string, object>
+			{
+				["model"] = model,
+				["messages"] = messages,
+				["requestid"] = Guid.NewGuid().ToString("N")
+			};
+
+			if (!string.IsNullOrEmpty(customer_id))
+				payload["customerid"] = customer_id;
+
+			if (num_ctx is int ctx)
+				payload["options"] = new { num_ctx = ctx };
+
+			return payload;
+		}
+	}
+}
diff --git a/Tools/AiTokenAnalyzer/AiTokenAnalyzer/TokenAnalyzeRow.cs b/Tools/AiTokenAnalyzer/AiTokenAnalyzer/TokenAnalyzeRow.cs
new file mode 100644
index 000000000..52b2bedb6
--- /dev/null
+++ b/Tools/AiTokenAnalyzer/AiTokenAnalyzer/TokenAnalyzeRow.cs
@@ -0,0 +1,51 @@
+using System;
+using System.ComponentModel;
+
+namespace AiTokenAnalyzer
+{
+	/// <summary>
+	/// Eine Zeile der Ergebnistabelle (eine Textgröße).
+	/// </summary>
+	public class TokenAnalyzeRow : INotifyPropertyChanged
+	{
+		private int? _Cl100k;
+		private long? _PromptEvalCount;
+		private int? _Duration;
+		private string _Status;
+
+		public int TargetChars { get; set; }
+		public int ActualChars { get; set; }
+
+		public int EstDiv3 => (int)Math.Round(ActualChars / 3.0);
+		public int EstDiv3_5 => (int)Math.Round(ActualChars / 3.5);
+
+		public int? Cl100k
+		{
+			get => _Cl100k;
+			set { _Cl100k = value; onPropertyChanged(nameof(Cl100k)); }
+		}
+
+		public long? PromptEvalCount
+		{
+			get => _PromptEvalCount;
+			set { _PromptEvalCount = value; onPropertyChanged(nameof(PromptEvalCount)); }
+		}
+
+		public int? Duration
+		{
+			get => _Duration;
+			set { _Duration = value; onPropertyChanged(nameof(Duration)); }
+		}
+
+		public string Status
+		{
+			get => _Status;
+			set { _Status = value; onPropertyChanged(nameof(Status)); }
+		}
+
+		public event PropertyChangedEventHandler PropertyChanged;
+
+		private void onPropertyChanged(string name)
+			=> PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
+	}
+}