From 73986df42a982b31dcbc613119abf12edcc53126 Mon Sep 17 00:00:00 2001
From: masarray <ari.sulistiono@gmail.com>
Date: Tue, 21 Jul 2026 05:41:54 +0700
Subject: [PATCH 1/4] Polish compact fault-record transfer window

---
 FaultRecordWindow.xaml | 314 ++++++++++++++++++++++++++++++-----------
 1 file changed, 235 insertions(+), 79 deletions(-)

diff --git a/FaultRecordWindow.xaml b/FaultRecordWindow.xaml
index d01e0a3eb..131d93eff 100644
--- a/FaultRecordWindow.xaml
+++ b/FaultRecordWindow.xaml
@@ -1,10 +1,11 @@
 <Window x:Class="ArIED61850Tester.FaultRecordWindow"
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:local="clr-namespace:ArIED61850Tester"
         Title="IEC 61850 Fault Records"
-        Width="1120" Height="760" MinWidth="900" MinHeight="600"
+        Width="940" Height="650" MinWidth="820" MinHeight="560"
         WindowStartupLocation="CenterOwner"
-        Background="#F4F7FB"
+        Background="#F3F6FB"
         FontFamily="Aptos, Segoe UI Variable Text, Segoe UI, Calibri"
         Loaded="Window_Loaded"
         ContentRendered="Diagnostics_ContentRendered"
@@ -12,76 +13,181 @@
     <Window.Resources>
         <Style x:Key="PanelStyle" TargetType="Border">
             <Setter Property="Background" Value="White"/>
-            <Setter Property="BorderBrush" Value="#D9E2EF"/>
+            <Setter Property="BorderBrush" Value="#DCE4EF"/>
             <Setter Property="BorderThickness" Value="1"/>
-            <Setter Property="CornerRadius" Value="12"/>
-            <Setter Property="Padding" Value="12"/>
+            <Setter Property="CornerRadius" Value="14"/>
+            <Setter Property="Padding" Value="14"/>
         </Style>
+
+        <!-- The records grid and every row highlight deliberately stay square. -->
+        <Style x:Key="GridPanelStyle" TargetType="Border">
+            <Setter Property="Background" Value="White"/>
+            <Setter Property="BorderBrush" Value="#D7E0EC"/>
+            <Setter Property="BorderThickness" Value="1"/>
+            <Setter Property="CornerRadius" Value="0"/>
+            <Setter Property="Padding" Value="0"/>
+        </Style>
+
         <Style x:Key="FieldStyle" TargetType="TextBox">
-            <Setter Property="Height" Value="34"/>
-            <Setter Property="Padding" Value="9,5"/>
+            <Setter Property="Height" Value="38"/>
+            <Setter Property="Padding" Value="12,6"/>
             <Setter Property="VerticalContentAlignment" Value="Center"/>
-            <Setter Property="Background" Value="#FBFCFE"/>
-            <Setter Property="BorderBrush" Value="#C9D5E5"/>
+            <Setter Property="Background" Value="#FAFCFF"/>
+            <Setter Property="BorderBrush" Value="#CBD7E6"/>
             <Setter Property="BorderThickness" Value="1"/>
             <Setter Property="FontSize" Value="12.5"/>
         </Style>
-        <Style x:Key="SecondaryButtonStyle" TargetType="Button">
-            <Setter Property="Height" Value="34"/>
-            <Setter Property="Padding" Value="14,5"/>
-            <Setter Property="Background" Value="#EEF3FA"/>
-            <Setter Property="Foreground" Value="#23344D"/>
-            <Setter Property="BorderBrush" Value="#CBD8E8"/>
-            <Setter Property="BorderThickness" Value="1"/>
+
+        <Style x:Key="PillPrimaryButtonStyle" TargetType="Button">
+            <Setter Property="Height" Value="38"/>
+            <Setter Property="MinWidth" Value="132"/>
+            <Setter Property="Padding" Value="18,6"/>
+            <Setter Property="Foreground" Value="White"/>
             <Setter Property="FontSize" Value="12.5"/>
             <Setter Property="FontWeight" Value="SemiBold"/>
+            <Setter Property="BorderThickness" Value="0"/>
             <Setter Property="Cursor" Value="Hand"/>
+            <Setter Property="Template">
+                <Setter.Value>
+                    <ControlTemplate TargetType="Button">
+                        <Border x:Name="Chrome" CornerRadius="19" SnapsToDevicePixels="True">
+                            <Border.Background>
+                                <LinearGradientBrush StartPoint="0,0" EndPoint="1,1">
+                                    <GradientStop Color="#5E96FF" Offset="0"/>
+                                    <GradientStop Color="#2B69E8" Offset="0.55"/>
+                                    <GradientStop Color="#1F57CE" Offset="1"/>
+                                </LinearGradientBrush>
+                            </Border.Background>
+                            <Border.Effect>
+                                <DropShadowEffect BlurRadius="12" ShadowDepth="2" Direction="270" Color="#2C63C7" Opacity="0.18"/>
+                            </Border.Effect>
+                            <ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center" Margin="{TemplateBinding Padding}"/>
+                        </Border>
+                        <ControlTemplate.Triggers>
+                            <Trigger Property="IsMouseOver" Value="True">
+                                <Setter TargetName="Chrome" Property="Opacity" Value="0.92"/>
+                            </Trigger>
+                            <Trigger Property="IsPressed" Value="True">
+                                <Setter TargetName="Chrome" Property="Opacity" Value="0.82"/>
+                            </Trigger>
+                            <Trigger Property="IsEnabled" Value="False">
+                                <Setter TargetName="Chrome" Property="Opacity" Value="0.45"/>
+                            </Trigger>
+                        </ControlTemplate.Triggers>
+                    </ControlTemplate>
+                </Setter.Value>
+            </Setter>
         </Style>
-        <Style x:Key="PrimaryButtonStyle" TargetType="Button" BasedOn="{StaticResource SecondaryButtonStyle}">
-            <Setter Property="Background" Value="#2563EB"/>
-            <Setter Property="Foreground" Value="White"/>
-            <Setter Property="BorderBrush" Value="#2563EB"/>
+
+        <Style x:Key="PillSecondaryButtonStyle" TargetType="Button">
+            <Setter Property="Height" Value="38"/>
+            <Setter Property="MinWidth" Value="112"/>
+            <Setter Property="Padding" Value="17,6"/>
+            <Setter Property="Foreground" Value="#28405F"/>
+            <Setter Property="FontSize" Value="12.5"/>
+            <Setter Property="FontWeight" Value="SemiBold"/>
+            <Setter Property="BorderThickness" Value="0"/>
+            <Setter Property="Cursor" Value="Hand"/>
+            <Setter Property="Template">
+                <Setter.Value>
+                    <ControlTemplate TargetType="Button">
+                        <Border x:Name="Chrome" CornerRadius="19" BorderBrush="#C9D6E6" BorderThickness="1" SnapsToDevicePixels="True">
+                            <Border.Background>
+                                <LinearGradientBrush StartPoint="0,0" EndPoint="0,1">
+                                    <GradientStop Color="#FFFFFF" Offset="0"/>
+                                    <GradientStop Color="#EEF3F9" Offset="1"/>
+                                </LinearGradientBrush>
+                            </Border.Background>
+                            <ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center" Margin="{TemplateBinding Padding}"/>
+                        </Border>
+                        <ControlTemplate.Triggers>
+                            <Trigger Property="IsMouseOver" Value="True">
+                                <Setter TargetName="Chrome" Property="Background" Value="#E7EFFA"/>
+                            </Trigger>
+                            <Trigger Property="IsPressed" Value="True">
+                                <Setter TargetName="Chrome" Property="Background" Value="#DCE7F5"/>
+                            </Trigger>
+                            <Trigger Property="IsEnabled" Value="False">
+                                <Setter TargetName="Chrome" Property="Opacity" Value="0.45"/>
+                            </Trigger>
+                        </ControlTemplate.Triggers>
+                    </ControlTemplate>
+                </Setter.Value>
+            </Setter>
         </Style>
+
+        <Style x:Key="GridTextStyle" TargetType="TextBlock">
+            <Setter Property="VerticalAlignment" Value="Center"/>
+            <Setter Property="TextTrimming" Value="CharacterEllipsis"/>
+            <Setter Property="Foreground" Value="#26384F"/>
+        </Style>
+
         <Style TargetType="DataGridColumnHeader">
-            <Setter Property="Background" Value="#EDF2F8"/>
-            <Setter Property="Foreground" Value="#34445C"/>
+            <Setter Property="Height" Value="36"/>
+            <Setter Property="VerticalContentAlignment" Value="Center"/>
+            <Setter Property="Background" Value="#EAF0F7"/>
+            <Setter Property="Foreground" Value="#33475F"/>
             <Setter Property="FontWeight" Value="SemiBold"/>
             <Setter Property="FontSize" Value="11.5"/>
-            <Setter Property="Padding" Value="8,7"/>
-            <Setter Property="BorderBrush" Value="#D5DFEC"/>
+            <Setter Property="Padding" Value="9,0"/>
+            <Setter Property="BorderBrush" Value="#D2DCE9"/>
             <Setter Property="BorderThickness" Value="0,0,1,1"/>
         </Style>
+
         <Style TargetType="DataGridCell">
-            <Setter Property="Padding" Value="7,5"/>
-            <Setter Property="BorderBrush" Value="#E3E9F1"/>
+            <Setter Property="Padding" Value="9,0"/>
+            <Setter Property="BorderBrush" Value="#E0E7F0"/>
             <Setter Property="BorderThickness" Value="0,0,1,1"/>
             <Setter Property="VerticalContentAlignment" Value="Center"/>
+            <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
             <Setter Property="FontSize" Value="12"/>
+            <Setter Property="FocusVisualStyle" Value="{x:Null}"/>
         </Style>
+
         <Style TargetType="DataGridRow">
+            <Setter Property="MinHeight" Value="39"/>
+            <Setter Property="VerticalContentAlignment" Value="Center"/>
             <Setter Property="Background" Value="White"/>
-            <Setter Property="MinHeight" Value="34"/>
+            <Setter Property="Foreground" Value="#26384F"/>
+            <Setter Property="BorderThickness" Value="0"/>
             <Style.Triggers>
+                <DataTrigger Binding="{Binding LocalState}" Value="{x:Static local:FaultRecordLocalState.Downloaded}">
+                    <Setter Property="Background" Value="#E7F7EF"/>
+                    <Setter Property="Foreground" Value="#174A35"/>
+                </DataTrigger>
+                <DataTrigger Binding="{Binding LocalState}" Value="{x:Static local:FaultRecordLocalState.Partial}">
+                    <Setter Property="Background" Value="#FFF7E5"/>
+                    <Setter Property="Foreground" Value="#654A12"/>
+                </DataTrigger>
+                <DataTrigger Binding="{Binding Status}" Value="Failed">
+                    <Setter Property="Background" Value="#FFF0F1"/>
+                    <Setter Property="Foreground" Value="#7F2530"/>
+                </DataTrigger>
+                <DataTrigger Binding="{Binding Status}" Value="Downloading">
+                    <Setter Property="Background" Value="#EBF2FF"/>
+                    <Setter Property="Foreground" Value="#234E9B"/>
+                </DataTrigger>
                 <Trigger Property="IsMouseOver" Value="True">
-                    <Setter Property="Background" Value="#F2F7FF"/>
+                    <Setter Property="Background" Value="#E6EFFC"/>
                 </Trigger>
                 <Trigger Property="IsSelected" Value="True">
-                    <Setter Property="Background" Value="#E8F0FE"/>
+                    <Setter Property="Background" Value="#D8E7FB"/>
+                    <Setter Property="Foreground" Value="#173B73"/>
                 </Trigger>
             </Style.Triggers>
         </Style>
     </Window.Resources>
 
-    <Grid Margin="14">
+    <Grid Margin="12">
         <Grid.RowDefinitions>
             <RowDefinition Height="Auto"/>
-            <RowDefinition Height="10"/>
+            <RowDefinition Height="9"/>
             <RowDefinition Height="Auto"/>
-            <RowDefinition Height="10"/>
+            <RowDefinition Height="9"/>
             <RowDefinition Height="*"/>
-            <RowDefinition Height="10"/>
+            <RowDefinition Height="9"/>
             <RowDefinition Height="Auto"/>
-            <RowDefinition Height="10"/>
+            <RowDefinition Height="9"/>
             <RowDefinition Height="Auto"/>
         </Grid.RowDefinitions>
 
@@ -91,83 +197,116 @@
                     <ColumnDefinition Width="*"/>
                     <ColumnDefinition Width="Auto"/>
                 </Grid.ColumnDefinitions>
-                <StackPanel>
-                    <TextBlock Text="IEC 61850 Fault Record Transfer" FontSize="18" FontWeight="SemiBold" Foreground="#17243A"/>
+                <StackPanel VerticalAlignment="Center">
+                    <TextBlock Text="IEC 61850 Fault Records" FontSize="18" FontWeight="SemiBold" Foreground="#17243A"/>
                     <TextBlock Margin="0,3,0,0" FontSize="12.5" Foreground="#607089">
                         <Run Text="{Binding DeviceName, Mode=OneTime}"/>
                         <Run Text="  •  "/>
                         <Run Text="{Binding EndpointText, Mode=OneTime}"/>
+                        <Run Text="  •  files are scanned automatically"/>
                     </TextBlock>
                 </StackPanel>
-                <Border Grid.Column="1" Background="#E8F0FE" CornerRadius="12" Padding="10,5" VerticalAlignment="Center">
-                    <TextBlock Text="Dedicated MMS session" FontSize="11.5" Foreground="#2457B8"/>
-                </Border>
+                <Button Grid.Column="1" Content="Scan fault records" Click="Scan_Click"
+                        Style="{StaticResource PillPrimaryButtonStyle}"
+                        IsEnabled="{Binding IsNotBusy, Mode=OneWay}" MinWidth="158"/>
             </Grid>
         </Border>
 
-        <Border Grid.Row="2" Style="{StaticResource PanelStyle}">
+        <Border Grid.Row="2" Style="{StaticResource PanelStyle}" Padding="14,12">
             <Grid>
-                <Grid.RowDefinitions>
-                    <RowDefinition Height="Auto"/>
-                    <RowDefinition Height="8"/>
-                    <RowDefinition Height="Auto"/>
-                </Grid.RowDefinitions>
                 <Grid.ColumnDefinitions>
-                    <ColumnDefinition Width="135"/>
+                    <ColumnDefinition Width="72"/>
                     <ColumnDefinition Width="*"/>
                     <ColumnDefinition Width="10"/>
                     <ColumnDefinition Width="Auto"/>
                 </Grid.ColumnDefinitions>
-
-                <TextBlock Grid.Row="0" Grid.Column="0" Text="Remote directory" VerticalAlignment="Center" FontSize="12.5" Foreground="#42526A"/>
-                <TextBox Grid.Row="0" Grid.Column="1" Text="{Binding RemoteDirectory, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
-                         Style="{StaticResource FieldStyle}" ToolTip="Leave empty to start at the relay file-store root"/>
-                <Button Grid.Row="0" Grid.Column="3" Content="Scan fault records" Click="Scan_Click"
-                        Style="{StaticResource PrimaryButtonStyle}" IsEnabled="{Binding IsNotBusy, Mode=OneWay}"/>
-
-                <TextBlock Grid.Row="2" Grid.Column="0" Text="Save to" VerticalAlignment="Center" FontSize="12.5" Foreground="#42526A"/>
-                <TextBox Grid.Row="2" Grid.Column="1" Text="{Binding DestinationDirectory, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
-                         Style="{StaticResource FieldStyle}"/>
-                <Button Grid.Row="2" Grid.Column="3" Content="Choose folder" Click="ChooseFolder_Click"
-                        Style="{StaticResource SecondaryButtonStyle}" IsEnabled="{Binding IsNotBusy, Mode=OneWay}"/>
+                <TextBlock Grid.Column="0" Text="Save to" VerticalAlignment="Center" FontSize="12.5" Foreground="#42526A"/>
+                <TextBox Grid.Column="1" Text="{Binding DestinationDirectory, Mode=TwoWay, UpdateSourceTrigger=LostFocus}"
+                         Style="{StaticResource FieldStyle}" ToolTip="Downloaded records are detected from this folder"/>
+                <Button Grid.Column="3" Content="Choose folder" Click="ChooseFolder_Click"
+                        Style="{StaticResource PillSecondaryButtonStyle}" IsEnabled="{Binding IsNotBusy, Mode=OneWay}"/>
             </Grid>
         </Border>
 
-        <Border Grid.Row="4" Style="{StaticResource PanelStyle}" Padding="0">
+        <Border Grid.Row="4" Style="{StaticResource GridPanelStyle}">
             <Grid>
                 <Grid.RowDefinitions>
-                    <RowDefinition Height="Auto"/>
+                    <RowDefinition Height="42"/>
                     <RowDefinition Height="*"/>
                 </Grid.RowDefinitions>
-                <Grid Margin="12,10,12,8">
+                <Grid Grid.Row="0" Margin="12,0">
                     <Grid.ColumnDefinitions>
                         <ColumnDefinition Width="*"/>
                         <ColumnDefinition Width="Auto"/>
                     </Grid.ColumnDefinitions>
-                    <TextBlock Text="Discovered COMTRADE records" FontSize="13.5" FontWeight="SemiBold" Foreground="#26364D"/>
+                    <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                        <TextBlock Text="Available fault records" FontSize="13.5" FontWeight="SemiBold" Foreground="#26364D" VerticalAlignment="Center"/>
+                        <TextBlock Text="  •  green rows already exist locally" FontSize="11.5" Foreground="#718096" VerticalAlignment="Center"/>
+                    </StackPanel>
                     <TextBlock Grid.Column="1" Text="{Binding SelectionSummary, Mode=OneWay}" FontSize="11.5" Foreground="#68778D" VerticalAlignment="Center"/>
                 </Grid>
+
                 <DataGrid x:Name="FaultRecordsGrid" Grid.Row="1" ItemsSource="{Binding Records, Mode=OneWay}" AutoGenerateColumns="False"
                           CanUserAddRows="False" CanUserDeleteRows="False" CanUserResizeRows="False"
                           HeadersVisibility="Column" GridLinesVisibility="All" BorderThickness="0"
                           SelectionMode="Single" SelectionUnit="FullRow" Background="White"
+                          RowHeaderWidth="0" AlternationCount="1" SnapsToDevicePixels="True"
                           SelectionChanged="FaultRecordsGrid_SelectionChanged">
                     <DataGrid.Columns>
                         <DataGridTemplateColumn Header="Get" Width="48">
                             <DataGridTemplateColumn.CellTemplate>
                                 <DataTemplate>
                                     <CheckBox IsChecked="{Binding IsSelected, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
+                                              IsEnabled="{Binding CanSelectForDownload, Mode=OneWay}"
                                               HorizontalAlignment="Center" VerticalAlignment="Center"/>
                                 </DataTemplate>
                             </DataGridTemplateColumn.CellTemplate>
                         </DataGridTemplateColumn>
-                        <DataGridTextColumn Header="Record" Binding="{Binding RecordName, Mode=OneWay}" Width="2*" IsReadOnly="True"/>
-                        <DataGridTextColumn Header="Modified" Binding="{Binding ModifiedText, Mode=OneWay}" Width="145" IsReadOnly="True"/>
-                        <DataGridTextColumn Header="Size" Binding="{Binding SizeText, Mode=OneWay}" Width="95" IsReadOnly="True"/>
-                        <DataGridTextColumn Header="Files" Binding="{Binding FilesText, Mode=OneWay}" Width="125" IsReadOnly="True"/>
-                        <DataGridTextColumn Header="Completeness" Binding="{Binding Completeness, Mode=OneWay}" Width="145" IsReadOnly="True"/>
-                        <DataGridTextColumn Header="Remote directory" Binding="{Binding RemoteDirectory, Mode=OneWay}" Width="2*" IsReadOnly="True"/>
-                        <DataGridTextColumn Header="Status" Binding="{Binding Status, Mode=OneWay}" Width="155" IsReadOnly="True"/>
+                        <DataGridTextColumn Header="Record" Binding="{Binding RecordName, Mode=OneWay}" Width="2.5*"
+                                            ElementStyle="{StaticResource GridTextStyle}" IsReadOnly="True"/>
+                        <DataGridTextColumn Header="Modified" Binding="{Binding ModifiedText, Mode=OneWay}" Width="145"
+                                            ElementStyle="{StaticResource GridTextStyle}" IsReadOnly="True"/>
+                        <DataGridTextColumn Header="Size" Binding="{Binding SizeText, Mode=OneWay}" Width="88"
+                                            ElementStyle="{StaticResource GridTextStyle}" IsReadOnly="True"/>
+                        <DataGridTextColumn Header="Files" Binding="{Binding FilesText, Mode=OneWay}" Width="112"
+                                            ElementStyle="{StaticResource GridTextStyle}" IsReadOnly="True"/>
+                        <DataGridTextColumn Header="Completeness" Binding="{Binding Completeness, Mode=OneWay}" Width="135"
+                                            ElementStyle="{StaticResource GridTextStyle}" IsReadOnly="True"/>
+                        <DataGridTemplateColumn Header="Status" Width="126">
+                            <DataGridTemplateColumn.CellTemplate>
+                                <DataTemplate>
+                                    <Grid VerticalAlignment="Center">
+                                        <Grid.ColumnDefinitions>
+                                            <ColumnDefinition Width="4"/>
+                                            <ColumnDefinition Width="*"/>
+                                        </Grid.ColumnDefinitions>
+                                        <Border x:Name="StatusAccent" Grid.Column="0" Background="#7A8AA0" CornerRadius="0"/>
+                                        <TextBlock Grid.Column="1" Text="{Binding Status}" Margin="9,0,0,0"
+                                                   VerticalAlignment="Center" FontSize="11.5" FontWeight="SemiBold"/>
+                                    </Grid>
+                                    <DataTemplate.Triggers>
+                                        <DataTrigger Binding="{Binding Status}" Value="Downloaded">
+                                            <Setter TargetName="StatusAccent" Property="Background" Value="#24A36A"/>
+                                        </DataTrigger>
+                                        <DataTrigger Binding="{Binding Status}" Value="Ready">
+                                            <Setter TargetName="StatusAccent" Property="Background" Value="#3B78E7"/>
+                                        </DataTrigger>
+                                        <DataTrigger Binding="{Binding Status}" Value="Partial">
+                                            <Setter TargetName="StatusAccent" Property="Background" Value="#D99A1B"/>
+                                        </DataTrigger>
+                                        <DataTrigger Binding="{Binding Status}" Value="Local partial">
+                                            <Setter TargetName="StatusAccent" Property="Background" Value="#D99A1B"/>
+                                        </DataTrigger>
+                                        <DataTrigger Binding="{Binding Status}" Value="Downloading">
+                                            <Setter TargetName="StatusAccent" Property="Background" Value="#596FE8"/>
+                                        </DataTrigger>
+                                        <DataTrigger Binding="{Binding Status}" Value="Failed">
+                                            <Setter TargetName="StatusAccent" Property="Background" Value="#D44B5B"/>
+                                        </DataTrigger>
+                                    </DataTemplate.Triggers>
+                                </DataTemplate>
+                            </DataGridTemplateColumn.CellTemplate>
+                        </DataGridTemplateColumn>
                     </DataGrid.Columns>
                 </DataGrid>
             </Grid>
@@ -178,7 +317,7 @@
             <Expander.Header>
                 <StackPanel Orientation="Horizontal">
                     <TextBlock Text="Transfer diagnostics" FontSize="12.5" FontWeight="SemiBold" Foreground="#26364D"/>
-                    <TextBlock Text="  •  automatically opens on failure" FontSize="11.5" Foreground="#78869A" VerticalAlignment="Center"/>
+                    <TextBlock Text="  •  opens automatically only on failure" FontSize="11.5" Foreground="#78869A" VerticalAlignment="Center"/>
                 </StackPanel>
             </Expander.Header>
             <Grid Margin="0,9,0,0">
@@ -195,17 +334,17 @@
                     <TextBlock Text="Exact failing stage, invoke ID, FRSM, FileRead block, session state, and MMS request/response hex."
                                FontSize="11.5" Foreground="#607089" VerticalAlignment="Center"/>
                     <Button Grid.Column="1" Content="Copy diagnostics" Click="CopyDiagnostic_Click"
-                            Style="{StaticResource SecondaryButtonStyle}" Height="30" Padding="12,3"/>
+                            Style="{StaticResource PillSecondaryButtonStyle}" Height="32" MinWidth="122" Padding="12,3"/>
                 </Grid>
                 <TextBox Grid.Row="2" Text="{Binding SelectedTransferDiagnostic, Mode=OneWay}"
-                         Height="170" IsReadOnly="True" AcceptsReturn="True" TextWrapping="NoWrap"
+                         Height="145" IsReadOnly="True" AcceptsReturn="True" TextWrapping="NoWrap"
                          VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Auto"
                          FontFamily="Cascadia Mono, Consolas, Courier New" FontSize="11"
                          Padding="9" Background="#F8FAFD" BorderBrush="#CBD8E8"/>
             </Grid>
         </Expander>
 
-        <Border Grid.Row="8" Style="{StaticResource PanelStyle}">
+        <Border Grid.Row="8" Style="{StaticResource PanelStyle}" Padding="14,11">
             <Grid>
                 <Grid.RowDefinitions>
                     <RowDefinition Height="Auto"/>
@@ -219,15 +358,32 @@
                     <ColumnDefinition Width="8"/>
                     <ColumnDefinition Width="Auto"/>
                 </Grid.ColumnDefinitions>
-
-                <TextBlock Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="5" Text="{Binding StatusText, Mode=OneWay}" FontSize="12" Foreground="#4B5D75" TextTrimming="CharacterEllipsis"/>
-                <ProgressBar Grid.Row="2" Grid.Column="0" Height="8" Minimum="0" Maximum="100" Value="{Binding ProgressValue, Mode=OneWay}"
-                             IsIndeterminate="{Binding IsIndeterminate, Mode=OneWay}" Background="#E5EBF3" Foreground="#2563EB"/>
+                <TextBlock Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="5" Text="{Binding StatusText, Mode=OneWay}"
+                           FontSize="12" Foreground="#4B5D75" TextTrimming="CharacterEllipsis"/>
+                <ProgressBar Grid.Row="2" Grid.Column="0" Height="7" Minimum="0" Maximum="100"
+                             Value="{Binding ProgressValue, Mode=OneWay}" IsIndeterminate="{Binding IsIndeterminate, Mode=OneWay}"
+                             Background="#E5EBF3" Foreground="#3B78E7"/>
                 <Button Grid.Row="2" Grid.Column="2" Content="Cancel" Click="Cancel_Click"
-                        Style="{StaticResource SecondaryButtonStyle}" IsEnabled="{Binding IsBusy, Mode=OneWay}"/>
+                        Style="{StaticResource PillSecondaryButtonStyle}" IsEnabled="{Binding IsBusy, Mode=OneWay}" MinWidth="92"/>
                 <Button Grid.Row="2" Grid.Column="4" Content="Download selected" Click="Download_Click"
-                        Style="{StaticResource PrimaryButtonStyle}" IsEnabled="{Binding CanDownload, Mode=OneWay}"/>
+                        Style="{StaticResource PillPrimaryButtonStyle}" IsEnabled="{Binding CanDownload, Mode=OneWay}" MinWidth="150"/>
             </Grid>
         </Border>
+
+        <Border x:Name="ToastHost" Grid.RowSpan="9" Panel.ZIndex="100" Visibility="Collapsed" Opacity="0"
+                HorizontalAlignment="Right" VerticalAlignment="Top" Margin="0,10,10,0"
+                CornerRadius="17" Padding="15,10" MaxWidth="430">
+            <Border.Effect>
+                <DropShadowEffect BlurRadius="20" ShadowDepth="5" Direction="270" Color="#243A5A" Opacity="0.24"/>
+            </Border.Effect>
+            <Border.RenderTransform>
+                <TranslateTransform x:Name="ToastTranslate" Y="-10"/>
+            </Border.RenderTransform>
+            <StackPanel Orientation="Horizontal">
+                <TextBlock x:Name="ToastGlyph" Text="✓" Foreground="White" FontSize="16" FontWeight="Bold" VerticalAlignment="Center"/>
+                <TextBlock x:Name="ToastText" Margin="10,0,0,0" Foreground="White" FontSize="12.5"
+                           FontWeight="SemiBold" VerticalAlignment="Center" TextWrapping="Wrap"/>
+            </StackPanel>
+        </Border>
     </Grid>
 </Window>
\ No newline at end of file

From 797ecc4d025f23cd9db71d0d143476c610f7e103 Mon Sep 17 00:00:00 2001
From: masarray <ari.sulistiono@gmail.com>
Date: Tue, 21 Jul 2026 05:43:38 +0700
Subject: [PATCH 2/4] Add persistent local download state and toast feedback

---
 FaultRecordWindow.xaml.cs | 361 ++++++++++++++++++++++++++++++++++----
 1 file changed, 331 insertions(+), 30 deletions(-)

diff --git a/FaultRecordWindow.xaml.cs b/FaultRecordWindow.xaml.cs
index 8c11ed044..214b0c752 100644
--- a/FaultRecordWindow.xaml.cs
+++ b/FaultRecordWindow.xaml.cs
@@ -4,6 +4,9 @@
 using System.IO;
 using System.Runtime.CompilerServices;
 using System.Windows;
+using System.Windows.Media;
+using System.Windows.Media.Animation;
+using System.Windows.Threading;
 using AR.Iec61850.FaultRecords;
 using ArIED61850Tester.Services;
 using Microsoft.Win32;
@@ -13,12 +16,13 @@ namespace ArIED61850Tester;
 public partial class FaultRecordWindow : Window, INotifyPropertyChanged
 {
     private readonly FaultRecordTransferClient _client = new();
+    private readonly DispatcherTimer _toastTimer = new();
     private readonly string _host;
     private readonly int _port;
     private CancellationTokenSource? _operationCancellation;
     private string _remoteDirectory = string.Empty;
     private string _destinationDirectory;
-    private string _statusText = "Ready to scan the relay file store.";
+    private string _statusText = "Opening the relay file store…";
     private bool _isBusy;
     private bool _isIndeterminate;
     private double _progressValue;
@@ -35,6 +39,8 @@ public FaultRecordWindow(string deviceName, string host, int port)
             Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments),
             "ARSAS Fault Records");
 
+        _toastTimer.Interval = TimeSpan.FromSeconds(2.8);
+        _toastTimer.Tick += ToastTimer_Tick;
         DataContext = this;
     }
 
@@ -45,6 +51,8 @@ public FaultRecordWindow(string deviceName, string host, int port)
     public string DeviceName { get; }
     public string EndpointText => $"{_host}:{_port}";
 
+    // Retained internally for protocol diagnostics and compatibility. The compact UI
+    // intentionally scans from the relay file-store root without exposing this field.
     public string RemoteDirectory
     {
         get => _remoteDirectory;
@@ -54,7 +62,13 @@ public string RemoteDirectory
     public string DestinationDirectory
     {
         get => _destinationDirectory;
-        set => Set(ref _destinationDirectory, value ?? string.Empty);
+        set
+        {
+            if (!Set(ref _destinationDirectory, value ?? string.Empty))
+                return;
+
+            RefreshLocalDownloadStates();
+        }
     }
 
     public string StatusText
@@ -90,14 +104,16 @@ public double ProgressValue
         private set => Set(ref _progressValue, Math.Clamp(value, 0d, 100d));
     }
 
-    public bool CanDownload => !IsBusy && Records.Any(row => row.IsSelected && row.Record.Files.Count > 0);
+    public bool CanDownload =>
+        !IsBusy && Records.Any(row => row.IsSelected && row.CanSelectForDownload);
 
     public string SelectionSummary
     {
         get
         {
-            var selected = Records.Count(row => row.IsSelected);
-            return $"{Records.Count:N0} record(s) • {selected:N0} selected";
+            var selected = Records.Count(row => row.IsSelected && row.CanSelectForDownload);
+            var downloaded = Records.Count(row => row.LocalState == FaultRecordLocalState.Downloaded);
+            return $"{Records.Count:N0} record(s) • {selected:N0} selected • {downloaded:N0} downloaded";
         }
     }
 
@@ -116,20 +132,21 @@ private async Task ScanAsync()
         IsBusy = true;
         IsIndeterminate = true;
         ProgressValue = 0;
-        StatusText = $"Connecting a dedicated IEC 61850 file-transfer session to {EndpointText}…";
+        StatusText = $"Connecting to {EndpointText} and reading fault records…";
 
         try
         {
             await _client.ConnectAsync(_host, _port, _operationCancellation!.Token);
-            StatusText = string.IsNullOrWhiteSpace(RemoteDirectory)
-                ? "Scanning the remote file-store root and bounded subdirectories…"
-                : $"Scanning '{RemoteDirectory.Trim()}' and bounded subdirectories…";
+            StatusText = "Scanning the relay file store…";
 
             var catalog = await _client.DiscoverAsync(
-                RemoteDirectory,
+                remoteDirectory: null,
                 _operationCancellation.Token);
 
+            foreach (var existing in Records)
+                existing.PropertyChanged -= RecordRow_PropertyChanged;
             Records.Clear();
+
             foreach (var record in catalog.Records)
             {
                 var row = new FaultRecordRow(record);
@@ -137,12 +154,14 @@ private async Task ScanAsync()
                 Records.Add(row);
             }
 
+            RefreshLocalDownloadStates();
+            var downloaded = Records.Count(row => row.LocalState == FaultRecordLocalState.Downloaded);
             StatusText = catalog.Records.Count == 0
-                ? "No supported fault-record files were found. Try a known remote directory such as COMTRADE or DR."
-                : $"{catalog.Summary} Select one or more available records to download; partial companion sets remain downloadable.";
+                ? "No supported fault records were found in the relay file store."
+                : $"Found {catalog.Records.Count:N0} fault record(s); {downloaded:N0} already exist in the selected local folder.";
 
             if (catalog.Diagnostics.Count > 0)
-                StatusText += $" {catalog.Diagnostics.Count} bounded browse diagnostic(s) were reported.";
+                StatusText += $" {catalog.Diagnostics.Count:N0} bounded browse diagnostic(s) were reported.";
 
             ProgressValue = 100;
             RaiseSelectionState();
@@ -154,6 +173,7 @@ private async Task ScanAsync()
         catch (Exception ex)
         {
             StatusText = $"Fault-record scan failed: {ex.Message}";
+            ShowToast("Could not scan fault records. Open diagnostics for details.", ToastKind.Error);
         }
         finally
         {
@@ -173,8 +193,13 @@ private void ChooseFolder_Click(object sender, RoutedEventArgs e)
             Multiselect = false
         };
 
-        if (dialog.ShowDialog(this) == true)
-            DestinationDirectory = dialog.FolderName;
+        if (dialog.ShowDialog(this) != true)
+            return;
+
+        DestinationDirectory = dialog.FolderName;
+        var downloaded = Records.Count(row => row.LocalState == FaultRecordLocalState.Downloaded);
+        StatusText = $"Local folder updated. {downloaded:N0} discovered record(s) already exist there.";
+        ShowToast("Download folder updated and local files rechecked.", ToastKind.Information);
     }
 
     private async void Download_Click(object sender, RoutedEventArgs e)
@@ -182,18 +207,29 @@ private async void Download_Click(object sender, RoutedEventArgs e)
         if (IsBusy)
             return;
 
-        var selected = Records
+        var checkedRows = Records
             .Where(row => row.IsSelected && row.Record.Files.Count > 0)
             .ToArray();
+        var selected = checkedRows
+            .Where(row => row.CanSelectForDownload)
+            .ToArray();
+        var skippedRecords = checkedRows.Length - selected.Length;
+
         if (selected.Length == 0)
         {
-            StatusText = "Select at least one record that contains an available remote file.";
+            StatusText = skippedRecords > 0
+                ? "The selected record already exists locally. Choose another record to download."
+                : "Select at least one available fault record.";
+            ShowToast(
+                skippedRecords > 0 ? "Already downloaded — no duplicate was created." : "Select a record first.",
+                ToastKind.Information);
             return;
         }
 
         if (string.IsNullOrWhiteSpace(DestinationDirectory))
         {
             StatusText = "Choose a local destination directory before downloading.";
+            ShowToast("Choose a download folder first.", ToastKind.Information);
             return;
         }
 
@@ -215,6 +251,7 @@ private async void Download_Click(object sender, RoutedEventArgs e)
                 _operationCancellation.Token.ThrowIfCancellationRequested();
                 var row = selected[index];
                 row.Status = "Downloading";
+                row.Detail = string.Empty;
                 StatusText = $"Downloading {row.RecordName} ({index + 1}/{selected.Length})…";
 
                 var recordIndex = index;
@@ -239,8 +276,7 @@ private async void Download_Click(object sender, RoutedEventArgs e)
                 {
                     completedRecords++;
                     downloadedBytes += result.BytesTransferred;
-                    row.Status = "Downloaded";
-                    row.LocalDirectory = result.DestinationDirectory;
+                    row.MarkDownloaded(result.DestinationDirectory);
                 }
                 else
                 {
@@ -252,22 +288,43 @@ private async void Download_Click(object sender, RoutedEventArgs e)
                 ProgressValue = ((index + 1d) / selected.Length) * 100d;
             }
 
+            RefreshLocalDownloadStates(preserveFailureStatus: true);
             StatusText = failedRecords == 0
-                ? $"Downloaded {completedRecords} record(s), {FormatBytes(downloadedBytes)}, to '{DestinationDirectory}'."
-                : $"Downloaded {completedRecords} record(s); {failedRecords} failed. Select a failed row to review its status.";
+                ? $"Downloaded {completedRecords:N0} record(s), {FormatBytes(downloadedBytes)}, to '{DestinationDirectory}'."
+                : $"Downloaded {completedRecords:N0} record(s); {failedRecords:N0} failed. Select a failed row to review diagnostics.";
+
+            if (failedRecords == 0)
+            {
+                ShowToast(
+                    completedRecords == 1
+                        ? $"File downloaded — {selected[0].RecordName}"
+                        : $"{completedRecords:N0} fault records downloaded successfully.",
+                    ToastKind.Success);
+            }
+            else if (completedRecords > 0)
+            {
+                ShowToast($"{completedRecords:N0} downloaded, {failedRecords:N0} failed.", ToastKind.Warning);
+            }
+            else
+            {
+                ShowToast("Download failed. Transfer diagnostics opened automatically.", ToastKind.Error);
+            }
         }
         catch (OperationCanceledException)
         {
             StatusText = "Fault-record download cancelled. Partial temporary files were cleaned up.";
+            ShowToast("Download cancelled safely.", ToastKind.Information);
         }
         catch (Exception ex)
         {
             StatusText = $"Fault-record download failed: {ex.Message}";
+            ShowToast("Download failed. Review transfer diagnostics.", ToastKind.Error);
         }
         finally
         {
             IsIndeterminate = false;
             IsBusy = false;
+            RaiseSelectionState();
         }
     }
 
@@ -279,8 +336,12 @@ private void Cancel_Click(object sender, RoutedEventArgs e)
 
     private void RecordRow_PropertyChanged(object? sender, PropertyChangedEventArgs e)
     {
-        if (e.PropertyName == nameof(FaultRecordRow.IsSelected))
+        if (e.PropertyName is nameof(FaultRecordRow.IsSelected) or
+            nameof(FaultRecordRow.LocalState) or
+            nameof(FaultRecordRow.Status))
+        {
             RaiseSelectionState();
+        }
     }
 
     private void RaiseSelectionState()
@@ -289,6 +350,154 @@ private void RaiseSelectionState()
         Raise(nameof(CanDownload));
     }
 
+    private void RefreshLocalDownloadStates(bool preserveFailureStatus = false)
+    {
+        if (Records.Count == 0)
+        {
+            RaiseSelectionState();
+            return;
+        }
+
+        foreach (var row in Records)
+        {
+            var snapshot = DetectLocalDownload(row.Record, DestinationDirectory);
+            row.ApplyLocalState(snapshot.State, snapshot.Directory, preserveFailureStatus);
+        }
+
+        RaiseSelectionState();
+    }
+
+    private static LocalDownloadSnapshot DetectLocalDownload(
+        Iec61850FaultRecordSet record,
+        string destinationRoot)
+    {
+        if (string.IsNullOrWhiteSpace(destinationRoot) || !Directory.Exists(destinationRoot))
+            return new LocalDownloadSnapshot(FaultRecordLocalState.NotDownloaded, string.Empty);
+
+        var safeRecordName = SanitizeLocalFileName(record.BaseName);
+        string[] candidates;
+        try
+        {
+            candidates = Directory
+                .EnumerateDirectories(destinationRoot, $"{safeRecordName}*", SearchOption.TopDirectoryOnly)
+                .Where(path =>
+                {
+                    var name = Path.GetFileName(path);
+                    return name.Equals(safeRecordName, StringComparison.OrdinalIgnoreCase) ||
+                           name.StartsWith(safeRecordName + "-", StringComparison.OrdinalIgnoreCase);
+                })
+                .OrderByDescending(path => Directory.GetLastWriteTimeUtc(path))
+                .ToArray();
+        }
+        catch (Exception ex) when (ex is IOException or UnauthorizedAccessException or ArgumentException)
+        {
+            return new LocalDownloadSnapshot(FaultRecordLocalState.NotDownloaded, string.Empty);
+        }
+
+        string partialDirectory = string.Empty;
+        foreach (var candidate in candidates)
+        {
+            var matched = 0;
+            foreach (var remoteFile in record.Files)
+            {
+                var localPath = Path.Combine(candidate, SanitizeLocalFileName(remoteFile.Name));
+                if (!File.Exists(localPath))
+                    continue;
+
+                try
+                {
+                    var length = new FileInfo(localPath).Length;
+                    var valid = remoteFile.SizeBytes is > 0
+                        ? length == remoteFile.SizeBytes.Value
+                        : true;
+                    if (valid)
+                        matched++;
+                }
+                catch (Exception ex) when (ex is IOException or UnauthorizedAccessException)
+                {
+                }
+            }
+
+            if (matched == record.Files.Count && matched > 0)
+                return new LocalDownloadSnapshot(FaultRecordLocalState.Downloaded, candidate);
+
+            if (matched > 0 && string.IsNullOrWhiteSpace(partialDirectory))
+                partialDirectory = candidate;
+        }
+
+        return string.IsNullOrWhiteSpace(partialDirectory)
+            ? new LocalDownloadSnapshot(FaultRecordLocalState.NotDownloaded, string.Empty)
+            : new LocalDownloadSnapshot(FaultRecordLocalState.Partial, partialDirectory);
+    }
+
+    private static string SanitizeLocalFileName(string value)
+    {
+        var source = string.IsNullOrWhiteSpace(value) ? "fault-record" : value.Trim();
+        var invalid = Path.GetInvalidFileNameChars();
+        var characters = source
+            .Select(character => character < ' ' || invalid.Contains(character) ? '_' : character)
+            .ToArray();
+        var sanitized = new string(characters).Trim().TrimEnd('.');
+        return string.IsNullOrWhiteSpace(sanitized) ? "fault-record" : sanitized;
+    }
+
+    private void ShowToast(string message, ToastKind kind)
+    {
+        _toastTimer.Stop();
+        ToastHost.BeginAnimation(OpacityProperty, null);
+        ToastTranslate.BeginAnimation(System.Windows.Media.TranslateTransform.YProperty, null);
+
+        ToastGlyph.Text = kind switch
+        {
+            ToastKind.Success => "✓",
+            ToastKind.Warning => "!",
+            ToastKind.Error => "×",
+            _ => "i"
+        };
+        ToastText.Text = message;
+        ToastHost.Background = CreateToastBrush(kind);
+        ToastHost.Visibility = Visibility.Visible;
+        ToastHost.Opacity = 0;
+        ToastTranslate.Y = -10;
+
+        var easing = new CubicEase { EasingMode = EasingMode.EaseOut };
+        ToastHost.BeginAnimation(
+            OpacityProperty,
+            new DoubleAnimation(0, 1, TimeSpan.FromMilliseconds(180)) { EasingFunction = easing });
+        ToastTranslate.BeginAnimation(
+            System.Windows.Media.TranslateTransform.YProperty,
+            new DoubleAnimation(-10, 0, TimeSpan.FromMilliseconds(220)) { EasingFunction = easing });
+        _toastTimer.Start();
+    }
+
+    private void ToastTimer_Tick(object? sender, EventArgs e)
+    {
+        _toastTimer.Stop();
+        var fade = new DoubleAnimation(1, 0, TimeSpan.FromMilliseconds(260))
+        {
+            EasingFunction = new CubicEase { EasingMode = EasingMode.EaseIn }
+        };
+        fade.Completed += (_, _) =>
+        {
+            ToastHost.Visibility = Visibility.Collapsed;
+            ToastHost.Opacity = 0;
+        };
+        ToastHost.BeginAnimation(OpacityProperty, fade);
+    }
+
+    private static Brush CreateToastBrush(ToastKind kind)
+    {
+        var colors = kind switch
+        {
+            ToastKind.Success => (Color.FromRgb(40, 176, 112), Color.FromRgb(24, 132, 84)),
+            ToastKind.Warning => (Color.FromRgb(235, 166, 48), Color.FromRgb(193, 116, 24)),
+            ToastKind.Error => (Color.FromRgb(223, 82, 96), Color.FromRgb(173, 48, 64)),
+            _ => (Color.FromRgb(77, 132, 226), Color.FromRgb(48, 91, 177))
+        };
+
+        return new LinearGradientBrush(colors.Item1, colors.Item2, 25);
+    }
+
     private void ResetOperationCancellation()
     {
         _operationCancellation?.Cancel();
@@ -298,6 +507,7 @@ private void ResetOperationCancellation()
 
     private async void Window_Closed(object? sender, EventArgs e)
     {
+        _toastTimer.Stop();
         _operationCancellation?.Cancel();
         _operationCancellation?.Dispose();
         await _client.DisposeAsync();
@@ -332,6 +542,25 @@ private bool Set<T>(ref T field, T value, [CallerMemberName] string? propertyNam
 
     private void Raise([CallerMemberName] string? propertyName = null)
         => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+
+    private readonly record struct LocalDownloadSnapshot(
+        FaultRecordLocalState State,
+        string Directory);
+
+    private enum ToastKind
+    {
+        Information,
+        Success,
+        Warning,
+        Error
+    }
+}
+
+public enum FaultRecordLocalState
+{
+    NotDownloaded,
+    Partial,
+    Downloaded
 }
 
 public sealed class FaultRecordRow : INotifyPropertyChanged
@@ -340,15 +569,12 @@ public sealed class FaultRecordRow : INotifyPropertyChanged
     private string _status;
     private string _detail = string.Empty;
     private string _localDirectory = string.Empty;
+    private FaultRecordLocalState _localState;
 
     public FaultRecordRow(Iec61850FaultRecordSet record)
     {
         Record = record ?? throw new ArgumentNullException(nameof(record));
-        _status = record.Files.Count == 0
-            ? "Unavailable"
-            : record.IsComplete
-                ? "Ready"
-                : "Partial";
+        _status = DefaultRemoteStatus;
         if (!record.IsComplete && record.Files.Count > 0)
             _detail = $"Available file(s) can be downloaded; COMTRADE companion coverage: {record.Completeness}.";
     }
@@ -366,15 +592,18 @@ public FaultRecordRow(Iec61850FaultRecordSet record)
             ? "PACKAGE"
             : file.Extension.TrimStart('.').ToUpperInvariant()));
 
+    public bool CanSelectForDownload => Record.Files.Count > 0 && LocalState != FaultRecordLocalState.Downloaded;
+
     public bool IsSelected
     {
         get => _isSelected;
         set
         {
-            if (_isSelected == value)
+            var normalized = value && CanSelectForDownload;
+            if (_isSelected == normalized)
                 return;
 
-            _isSelected = value;
+            _isSelected = normalized;
             Raise();
         }
     }
@@ -418,6 +647,78 @@ public string LocalDirectory
         }
     }
 
+    public FaultRecordLocalState LocalState
+    {
+        get => _localState;
+        private set
+        {
+            if (_localState == value)
+                return;
+
+            _localState = value;
+            if (_localState == FaultRecordLocalState.Downloaded)
+                _isSelected = false;
+            Raise();
+            Raise(nameof(IsSelected));
+            Raise(nameof(CanSelectForDownload));
+        }
+    }
+
+    public void MarkDownloaded(string localDirectory)
+    {
+        LocalDirectory = localDirectory ?? string.Empty;
+        LocalState = FaultRecordLocalState.Downloaded;
+        Status = "Downloaded";
+        Detail = string.IsNullOrWhiteSpace(LocalDirectory)
+            ? "The complete record exists in the selected local folder."
+            : $"Downloaded to '{LocalDirectory}'.";
+    }
+
+    public void ApplyLocalState(
+        FaultRecordLocalState state,
+        string localDirectory,
+        bool preserveFailureStatus)
+    {
+        LocalDirectory = localDirectory ?? string.Empty;
+        LocalState = state;
+
+        if (state == FaultRecordLocalState.Downloaded)
+        {
+            Status = "Downloaded";
+            Detail = string.IsNullOrWhiteSpace(LocalDirectory)
+                ? "The complete record exists in the selected local folder."
+                : $"Already downloaded to '{LocalDirectory}'.";
+            return;
+        }
+
+        if (preserveFailureStatus && Status == "Failed")
+            return;
+
+        if (Status == "Downloading")
+            return;
+
+        if (state == FaultRecordLocalState.Partial)
+        {
+            Status = "Local partial";
+            Detail = string.IsNullOrWhiteSpace(LocalDirectory)
+                ? "Some companion files exist locally, but the record is incomplete."
+                : $"Some companion files exist in '{LocalDirectory}', but the local record is incomplete.";
+            return;
+        }
+
+        Status = DefaultRemoteStatus;
+        if (Record.IsComplete)
+            Detail = string.Empty;
+        else if (Record.Files.Count > 0)
+            Detail = $"Available file(s) can be downloaded; COMTRADE companion coverage: {Record.Completeness}.";
+    }
+
+    private string DefaultRemoteStatus => Record.Files.Count == 0
+        ? "Unavailable"
+        : Record.IsComplete
+            ? "Ready"
+            : "Partial";
+
     private static string FormatBytes(long bytes)
     {
         string[] suffixes = ["B", "KB", "MB", "GB", "TB"];
@@ -437,4 +738,4 @@ private static string FormatBytes(long bytes)
 
     private void Raise([CallerMemberName] string? propertyName = null)
         => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
-}
+}
\ No newline at end of file

From 5d02fd8e5e0234e94fbdbe062275772d8124540c Mon Sep 17 00:00:00 2001
From: masarray <ari.sulistiono@gmail.com>
Date: Tue, 21 Jul 2026 05:45:57 +0700
Subject: [PATCH 3/4] Update fault-record binding checks for compact workflow

---
 scripts/verify-fault-record-bindings.ps1 | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/scripts/verify-fault-record-bindings.ps1 b/scripts/verify-fault-record-bindings.ps1
index a507e2ee4..90b12fbba 100644
--- a/scripts/verify-fault-record-bindings.ps1
+++ b/scripts/verify-fault-record-bindings.ps1
@@ -25,13 +25,13 @@ $requiredOneWayBindings = @(
     "SizeText",
     "FilesText",
     "Completeness",
-    "RemoteDirectory",
     "Status",
     "StatusText",
     "ProgressValue",
     "IsIndeterminate",
     "IsBusy",
-    "CanDownload"
+    "CanDownload",
+    "CanSelectForDownload"
 )
 foreach ($property in $requiredOneWayBindings) {
     $pattern = "\{Binding\s+$([regex]::Escape($property))\s*,[^}]*Mode=OneWay[^}]*\}"
@@ -40,7 +40,10 @@ foreach ($property in $requiredOneWayBindings) {
     }
 }
 
-$requiredTwoWayBindings = @("RemoteDirectory", "DestinationDirectory", "IsSelected")
+# RemoteDirectory is intentionally not exposed by the compact fast workflow. The
+# window always starts discovery at the relay file-store root and keeps manual
+# refresh in the header.
+$requiredTwoWayBindings = @("DestinationDirectory", "IsSelected")
 foreach ($property in $requiredTwoWayBindings) {
     $pattern = "\{Binding\s+$([regex]::Escape($property))\s*,[^}]*Mode=TwoWay[^}]*\}"
     if ($xaml -notmatch $pattern) {
@@ -48,4 +51,8 @@ foreach ($property in $requiredTwoWayBindings) {
     }
 }
 
-Write-Host "Fault record binding modes are explicit and valid." -ForegroundColor Green
+if ($xaml -match 'Text="Remote directory"' -or $xaml -match 'Header="Remote directory"') {
+    throw "FaultRecordWindow compact workflow must not expose the remote-directory input or grid column."
+}
+
+Write-Host "Fault record binding modes and compact workflow are explicit and valid." -ForegroundColor Green

From 67dbea110b18c308007142df43af8ed421aca15d Mon Sep 17 00:00:00 2001
From: masarray <ari.sulistiono@gmail.com>
Date: Tue, 21 Jul 2026 05:46:22 +0700
Subject: [PATCH 4/4] Accept trigger-based status binding in polished grid

---
 scripts/verify-fault-record-bindings.ps1 | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/scripts/verify-fault-record-bindings.ps1 b/scripts/verify-fault-record-bindings.ps1
index 90b12fbba..0aac90594 100644
--- a/scripts/verify-fault-record-bindings.ps1
+++ b/scripts/verify-fault-record-bindings.ps1
@@ -25,7 +25,6 @@ $requiredOneWayBindings = @(
     "SizeText",
     "FilesText",
     "Completeness",
-    "Status",
     "StatusText",
     "ProgressValue",
     "IsIndeterminate",
@@ -40,6 +39,12 @@ foreach ($property in $requiredOneWayBindings) {
     }
 }
 
+# Status is used by DataTriggers and a read-only TextBlock. Those WPF bindings are
+# inherently OneWay; requiring a comma-form binding would reject valid trigger syntax.
+if ($xaml -notmatch '\{Binding\s+Status(?:\s*,[^}]*)?\}') {
+    throw "FaultRecordWindow must display the record Status."
+}
+
 # RemoteDirectory is intentionally not exposed by the compact fast workflow. The
 # window always starts discovery at the relay file-store root and keeps manual
 # refresh in the header.