Features:

- Add billable units column to main DataGrid showing 6-minute block calculations per entry
- Fix real-time update of billable units when editing time entries
- Add dynamic assembly description loading in About window
- Update project description to "MSP time tracking with instant billable units calculation"

UI Improvements:
- Add BillableUnits property to TimeEntry with proper change notifications
- Right-align billable units column for better readability

Configuration:
- Disable automatic Git version suffix in assembly version
- Add SourceRevisionId and IncludeSourceRevisionInInformationalVersion settings
- Update assembly metadata (company, authors, copyright)

Author: ozzygit

Data/TimeEntry.cs

@@ -63,6 +63,7 @@ public TimeOnly? StartTime
                 if (SetProperty(ref _startTime, value))
                 {
                     OnPropertyChanged(nameof(Duration));
+                    OnPropertyChanged(nameof(BillableUnits));
                     OnPropertyChanged(nameof(IsValid));
                     OnTimeEntryChanged(true);
                 }
@@ -77,6 +78,7 @@ public TimeOnly? EndTime
                 if (SetProperty(ref _endTime, value))
                 {
                     OnPropertyChanged(nameof(Duration));
+                    OnPropertyChanged(nameof(BillableUnits));
                     OnPropertyChanged(nameof(IsValid));
                     OnTimeEntryChanged(true);
                 }
@@ -117,6 +119,33 @@ public TimeSpan? Duration
             }
         }
 
+        /// <summary>
+        /// Calculate billable units in 6-minute blocks (0.1 hour increments).
+        /// Rounds up to nearest 6-minute block.
+        /// Returns formatted string like "0.1", "1.5", "2.0", etc., or empty string if duration is invalid.
+        /// </summary>
+        public string BillableUnits
+        {
+            get
+            {
+                var duration = Duration;
+                if (!duration.HasValue || duration.Value < TimeSpan.Zero)
+                    return string.Empty;
+
+                double totalMinutes = duration.Value.TotalMinutes;
+                
+                // If no time (0 minutes), no billable units
+                if (totalMinutes < 0.01)
+                    return "0.0";
+
+                // Round up to nearest 6-minute block
+                int blocks = (int)Math.Ceiling(totalMinutes / 6.0);
+                double units = blocks / 10.0;
+
+                return units.ToString("F1");
+            }
+        }
+
         public bool IsValid => !string.IsNullOrWhiteSpace(TicketNumber) && Duration.HasValue;
 
         private readonly SynchronizationContext _synchronizationContext;

TimeTrack.csproj

@@ -12,7 +12,7 @@
     <Product>TimeTrack v2</Product>
     <Company>TimeTrack Project</Company>
     <Authors>Jared Kinnear, Richard Moore</Authors>
-    <Description>Time tracking application for daily work entries</Description>
+    <Description>MSP time tracking with instant billable units calculation</Description>
     <Copyright>Copyright © 2020-2025</Copyright>
 
     <!-- Application icon and manifest -->
@@ -24,6 +24,10 @@
     <AssemblyVersion>2.4.0.0</AssemblyVersion>
     <FileVersion>2.4.0.0</FileVersion>
     <InformationalVersion>2.4</InformationalVersion>
+    
+    <!-- Disable automatic Git version suffix -->
+    <SourceRevisionId></SourceRevisionId>
+    <IncludeSourceRevisionInInformationalVersion>false</IncludeSourceRevisionInInformationalVersion>
   </PropertyGroup>
 
   <!-- Release-specific publish packaging settings -->

Views/Dialogs/AboutWindow.xaml

@@ -45,8 +45,9 @@
                    Margin="0,0,0,20"/>
 
         <!-- Description -->
-        <TextBlock Grid.Row="2" 
-                   Text="A simple time tracking application for daily work entries." 
+        <TextBlock Grid.Row="2"
+                   x:Name="DescriptionText"
+                   Text="Loading..." 
                    FontSize="13"
                    TextWrapping="Wrap"
                    HorizontalAlignment="Center"

Views/Dialogs/AboutWindow.xaml.cs

@@ -13,12 +13,24 @@ public AboutWindow()
         {
             InitializeComponent();
 
-            // Set version from InformationalVersion attribute (user-friendly version)
             var assembly = Assembly.GetExecutingAssembly();
+            
+            // Set version from InformationalVersion attribute (user-friendly version)
             var informationalVersion = assembly.GetCustomAttribute<AssemblyInformationalVersionAttribute>()?.InformationalVersion;
             string version = informationalVersion ?? assembly.GetName().Version?.ToString() ?? "Unknown";
             VersionText.Text = $"Version: {version}";
 
+            // Set description from AssemblyDescription attribute
+            var description = assembly.GetCustomAttribute<AssemblyDescriptionAttribute>()?.Description;
+            if (!string.IsNullOrEmpty(description))
+            {
+                DescriptionText.Text = description;
+            }
+            else
+            {
+                DescriptionText.Text = "Time tracking application for daily work entries";
+            }
+            
             // Set database location
             UpdateDatabaseLocationDisplay();
         }

Views/MainWindow.xaml

@@ -582,6 +582,15 @@
             Binding="{Binding StartTime, Converter={StaticResource TimeEntryUIConverter}}"/>
                                     <DataGridTextColumn Header="End" Width="Auto"
             Binding="{Binding EndTime, Converter={StaticResource TimeEntryUIConverter}}"/>
+                                    <DataGridTextColumn Header="Units" Width="50"
+            Binding="{Binding BillableUnits}">
+                                        <DataGridTextColumn.ElementStyle>
+                                            <Style TargetType="TextBlock">
+                                                <Setter Property="HorizontalAlignment" Value="Right"/>
+                                                <Setter Property="Margin" Value="0,0,8,0"/>
+                                            </Style>
+                                        </DataGridTextColumn.ElementStyle>
+                                    </DataGridTextColumn>
                                     <DataGridTextColumn Header="Ticket Number" Width="Auto"
             Binding="{Binding TicketNumber}"/>
                                     <DataGridTextColumn Header="Notes" Width="*"