From 388d6707d013d60f7148d3de0d0000828a758b57 Mon Sep 17 00:00:00 2001
From: Yun Chan <yunchan@twentyoz.kr>
Date: Sat, 5 Sep 2026 12:44:23 +0900
Subject: [PATCH] feat(ui): elevate cockpit ergonomics, add search watermark,
 queue selection styling, and shortcut bindings

---
 .gitignore                                    |   3 +
 packaging/Package.appxmanifest                |   2 +-
 .../Views/MainWindow.xaml                     | 215 ++++++++++++++++--
 .../Views/MainWindow.xaml.cs                  | 117 +++++++++-
 .../DesignAuditAstTests.cs                    | 131 +++++++++++
 .../UnifiedTitleBarTests.cs                   |  17 ++
 6 files changed, 462 insertions(+), 23 deletions(-)

diff --git a/.gitignore b/.gitignore
index 8a9fc76..124dfc0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -47,6 +47,9 @@ src/Everything2Everything.Shell/Everythi*/
 # .NET artifacts dir from BuildMsix.ps1
 artifacts/
 
+# test assets
+test_assets/
+
 # NuGet packages restore + nuget.exe cache
 packages/
 tools/*
diff --git a/packaging/Package.appxmanifest b/packaging/Package.appxmanifest
index f534f51..0dd9969 100644
--- a/packaging/Package.appxmanifest
+++ b/packaging/Package.appxmanifest
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Package xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10" xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10" xmlns:rescap="http://schemas.microsoft.com/appx/manifest/foundation/windows10/restrictedcapabilities" xmlns:desktop="http://schemas.microsoft.com/appx/manifest/desktop/windows10" xmlns:desktop4="http://schemas.microsoft.com/appx/manifest/desktop/windows10/4" xmlns:desktop5="http://schemas.microsoft.com/appx/manifest/desktop/windows10/5" xmlns:com="http://schemas.microsoft.com/appx/manifest/com/windows10" IgnorableNamespaces="uap rescap desktop desktop4 desktop5 com">
-  <Identity Name="Everything2Everything.YunChan" Publisher="CN=Everything2EverythingDev" Version="1.0.18.0" ProcessorArchitecture="x64" />
+  <Identity Name="Everything2Everything.YunChan" Publisher="CN=Everything2EverythingDev" Version="1.0.20.0" ProcessorArchitecture="x64" />
   <Properties>
     <DisplayName>Everything2Everything</DisplayName>
     <PublisherDisplayName>YunChan</PublisherDisplayName>
diff --git a/src/Everything2Everything.App/Views/MainWindow.xaml b/src/Everything2Everything.App/Views/MainWindow.xaml
index 89e9ed1..429a3d1 100644
--- a/src/Everything2Everything.App/Views/MainWindow.xaml
+++ b/src/Everything2Everything.App/Views/MainWindow.xaml
@@ -26,6 +26,8 @@
     <Window.InputBindings>
         <KeyBinding Key="O" Modifiers="Ctrl" Command="{Binding AddFilesCommand, RelativeSource={RelativeSource AncestorType=Window}}"/>
         <KeyBinding Key="Enter" Modifiers="Ctrl" Command="{Binding ProcessQueueCommand, RelativeSource={RelativeSource AncestorType=Window}}"/>
+        <KeyBinding Key="A" Modifiers="Ctrl" Command="{Binding SelectAllQueueCommand, RelativeSource={RelativeSource AncestorType=Window}}"/>
+        <KeyBinding Key="Delete" Command="{Binding DeleteSelectedQueueCommand, RelativeSource={RelativeSource AncestorType=Window}}"/>
         <KeyBinding Key="Escape" Command="{Binding CloseCommand, RelativeSource={RelativeSource AncestorType=Window}}"/>
         <KeyBinding Key="F5" Command="{Binding RefreshCommand, RelativeSource={RelativeSource AncestorType=Window}}"/>
     </Window.InputBindings>
@@ -174,7 +176,7 @@
                     <ScrollViewer Grid.Row="0" VerticalScrollBarVisibility="Auto" Padding="16,16,16,16">
                         <StackPanel>
                             <!-- Smart Conversion Deck: Output Format + Dynamic Presets + Live Spec Chips + Quality -->
-                            <Border Style="{StaticResource FsDoubleBezelShellStyle}" Margin="0,0,0,16">
+                            <Border Style="{StaticResource FsDoubleBezelShellStyle}" Margin="0,0,0,12">
                                 <Border Style="{StaticResource FsDoubleBezelCoreStyle}">
                                     <StackPanel>
                                     <Grid Margin="0,0,0,12">
@@ -217,6 +219,7 @@
                                     </Grid>
                                     <TextBlock x:Name="OutputFormatHint" Margin="0,0,0,12"
                                                Style="{StaticResource FsCaptionStyle}"
+                                               TextWrapping="Wrap"
                                                Text="모든 입력에서 변환 가능한 형식이 표시됩니다"/>
 
                                     <Border Height="1" Background="{StaticResource FsBorderSubtle}" Margin="0,0,0,12"/>
@@ -464,16 +467,16 @@
                         </Border>
 
                             <!-- Card 3: Output Destination & Conflict Rule -->
-                            <Border Style="{StaticResource FsDoubleBezelShellStyle}" Margin="0,0,0,16">
+                            <Border Style="{StaticResource FsDoubleBezelShellStyle}" Margin="0,0,0,12">
                                 <Border Style="{StaticResource FsDoubleBezelCoreStyle}">
                                     <StackPanel>
                                         <TextBlock Text="저장 위치 및 충돌 규칙" Style="{StaticResource FsLabelStyle}"/>
-                                        <Grid Margin="0,10,0,0">
+                                        <Grid Margin="0,8,0,0">
                                             <Grid.ColumnDefinitions>
                                                 <ColumnDefinition Width="*"/>
                                                 <ColumnDefinition Width="Auto"/>
                                             </Grid.ColumnDefinitions>
-                                            <TextBox x:Name="OutputPathTextBox"
+                                                <TextBox x:Name="OutputPathTextBox"
                                                      Style="{StaticResource FsPathInputStyle}"
                                                      Text="{Binding Options.CustomOutputDirectory, RelativeSource={RelativeSource AncestorType=Window}, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
                                                      ToolTip="비워두면 원본 폴더 옆 서브폴더에 저장"/>
@@ -481,11 +484,11 @@
                                                     Content="…" Style="{StaticResource FsSecondaryButtonStyle}"
                                                     Command="{Binding PickOutputFolderCommand, RelativeSource={RelativeSource AncestorType=Window}}"/>
                                         </Grid>
-                                        <TextBlock x:Name="OutputDestHint" Margin="0,6,0,0"
+                                        <TextBlock x:Name="OutputDestHint" Margin="0,5,0,0"
                                                    Style="{StaticResource FsCaptionStyle}"
                                                    Text="비워두면 원본 옆 _jpg 폴더에 저장됩니다"/>
 
-                                        <Border Height="1" Background="{StaticResource FsBorderSubtle}" Margin="0,14,0,14"/>
+                                        <Border Height="1" Background="{StaticResource FsBorderSubtle}" Margin="0,8,0,8"/>
 
                                         <TextBlock Text="파일 충돌 해결" Style="{StaticResource FsLabelStyle}"/>
                                         <Border Margin="0,8,0,0"
@@ -592,7 +595,7 @@
 
                     <!-- Sidebar footer -->
                     <Border Grid.Row="1" BorderBrush="{StaticResource FsBorderSubtle}"
-                            BorderThickness="0,1,0,0" Padding="24">
+                            BorderThickness="0,1,0,0" Padding="16,12">
                         <StackPanel>
                             <TextBlock x:Name="CapabilityStatusText" Margin="0,0,0,12"
                                        Style="{StaticResource FsCaptionStyle}"
@@ -666,16 +669,56 @@
                             BorderThickness="0,0,1,1" Padding="16,8">
                         <Grid>
                             <Grid.ColumnDefinitions>
-                                <ColumnDefinition Width="160"/>
+                                <ColumnDefinition Width="175"/>
                                 <ColumnDefinition Width="*"/>
                             </Grid.ColumnDefinitions>
-                            <!-- Search Box -->
-                            <Grid Grid.Column="0">
+                            <!-- Search Box with Live Watermark & Clear Button -->
+                            <Grid Grid.Column="0" Width="175" VerticalAlignment="Center">
                                 <TextBox x:Name="SearchBox" Style="{StaticResource FsPathInputStyle}"
-                                         Padding="30,5,8,5" Text="{Binding SearchText, RelativeSource={RelativeSource AncestorType=Window}, UpdateSourceTrigger=PropertyChanged}"
-                                         ToolTip="파일명 또는 확장자로 검색"/>
+                                         Padding="28,5,24,5" Text="{Binding SearchText, RelativeSource={RelativeSource AncestorType=Window}, UpdateSourceTrigger=PropertyChanged}"
+                                         ToolTip="파일명 또는 확장자로 검색" VerticalAlignment="Center"/>
                                 <ui:SymbolIcon Symbol="Search24" FontSize="13" Foreground="{StaticResource FsTextTertiary}"
-                                               HorizontalAlignment="Left" VerticalAlignment="Center" Margin="9,0,0,0" IsHitTestVisible="False"/>
+                                               HorizontalAlignment="Left" VerticalAlignment="Center" Margin="8,0,0,0" IsHitTestVisible="False"/>
+                                <TextBlock x:Name="SearchPlaceholderText"
+                                           Text="파일명 검색…"
+                                           Foreground="{StaticResource FsTextTertiary}"
+                                           VerticalAlignment="Center" Margin="28,0,0,0"
+                                           IsHitTestVisible="False">
+                                    <TextBlock.Style>
+                                        <Style TargetType="TextBlock" BasedOn="{StaticResource FsCaptionStyle}">
+                                            <Setter Property="Visibility" Value="Collapsed"/>
+                                            <Style.Triggers>
+                                                <DataTrigger Binding="{Binding Text, ElementName=SearchBox}" Value="">
+                                                    <Setter Property="Visibility" Value="Visible"/>
+                                                </DataTrigger>
+                                                <DataTrigger Binding="{Binding Text, ElementName=SearchBox}" Value="{x:Null}">
+                                                    <Setter Property="Visibility" Value="Visible"/>
+                                                </DataTrigger>
+                                            </Style.Triggers>
+                                        </Style>
+                                    </TextBlock.Style>
+                                </TextBlock>
+                                <Button x:Name="SearchClearButton"
+                                        Width="20" Height="20"
+                                        HorizontalAlignment="Right" VerticalAlignment="Center"
+                                        Margin="0,0,6,0"
+                                        ToolTip="검색어 지우기"
+                                        Command="{Binding ClearSearchCommand, RelativeSource={RelativeSource AncestorType=Window}}">
+                                    <Button.Style>
+                                        <Style TargetType="Button" BasedOn="{StaticResource FsIconButtonStyle}">
+                                            <Setter Property="Visibility" Value="Visible"/>
+                                            <Style.Triggers>
+                                                <DataTrigger Binding="{Binding Text, ElementName=SearchBox}" Value="">
+                                                    <Setter Property="Visibility" Value="Collapsed"/>
+                                                </DataTrigger>
+                                                <DataTrigger Binding="{Binding Text, ElementName=SearchBox}" Value="{x:Null}">
+                                                    <Setter Property="Visibility" Value="Collapsed"/>
+                                                </DataTrigger>
+                                            </Style.Triggers>
+                                        </Style>
+                                    </Button.Style>
+                                    <ui:SymbolIcon Symbol="Dismiss24" FontSize="10" Foreground="{StaticResource FsTextTertiary}" VerticalAlignment="Center"/>
+                                </Button>
                             </Grid>
                             <!-- Category Filter Chips & Inspector Toggle -->
                             <StackPanel Grid.Column="1" Orientation="Horizontal" HorizontalAlignment="Right" VerticalAlignment="Center">
@@ -751,6 +794,28 @@
                                 <CheckBox x:Name="BatchSelectAllCheck" Content="전체 선택" VerticalAlignment="Center"
                                           Command="{Binding BatchSelectAllCommand, RelativeSource={RelativeSource AncestorType=Window}}"
                                           CommandParameter="{Binding IsChecked, RelativeSource={RelativeSource Self}}"/>
+                                <!-- Live Queue Telemetry Capsule (Cockpit Summary) -->
+                                <StackPanel Grid.Column="1" Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center">
+                                    <Border Background="#10FFFFFF" BorderBrush="{StaticResource FsBorderHairline}"
+                                            BorderThickness="1" CornerRadius="12" Padding="10,3" VerticalAlignment="Center">
+                                        <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                                            <TextBlock x:Name="QueueSummaryCountText" Text="0개 항목"
+                                                       FontFamily="{StaticResource FsFontSans}" FontSize="11" FontWeight="SemiBold"
+                                                       Foreground="{StaticResource FsTextPrimary}" VerticalAlignment="Center"/>
+                                            <TextBlock Text=" · " FontSize="11" Foreground="{StaticResource FsTextTertiary}" VerticalAlignment="Center"/>
+                                            <TextBlock x:Name="QueueSummarySizeText" Text="0 B"
+                                                       FontFamily="{StaticResource FsFontMono}" FontSize="11"
+                                                       Foreground="{StaticResource FsAccentCyan}" VerticalAlignment="Center"/>
+                                            <Border x:Name="QueueSelectedBadge" Visibility="Collapsed"
+                                                    Margin="8,0,0,0" Background="{StaticResource FsAccentCyanBg}"
+                                                    CornerRadius="6" Padding="6,1" VerticalAlignment="Center">
+                                                <TextBlock x:Name="QueueSelectedText" Text="0개 선택됨"
+                                                           FontSize="10" FontWeight="SemiBold"
+                                                           Foreground="{StaticResource FsAccentCyan}" VerticalAlignment="Center"/>
+                                            </Border>
+                                        </StackPanel>
+                                    </Border>
+                                </StackPanel>
                                 <StackPanel Grid.Column="2" Orientation="Horizontal" VerticalAlignment="Center">
                                     <Button Margin="0,0,8,0" Padding="10,4" Style="{StaticResource FsSecondaryButtonStyle}"
                                             Command="{Binding BatchRemoveSelectedCommand, RelativeSource={RelativeSource AncestorType=Window}}"
@@ -843,9 +908,18 @@
                                           ItemsSource="{Binding ActiveQueue, RelativeSource={RelativeSource AncestorType=Window}}">
                                 <ItemsControl.ItemTemplate>
                                     <DataTemplate>
-                                        <!-- row hover: FsListRowStyle Neo Glass 카드 + 좌측 형식색 accent bar -->
-                                        <Border x:Name="QueueRow" Style="{StaticResource FsListRowStyle}" Padding="0"
-                                                Cursor="Hand">
+                                        <!-- row hover: FsListRowStyle Neo Glass 카드 + 좌측 형식색 accent bar + IsSelected 강조 -->
+                                        <Border x:Name="QueueRow" Padding="0" Cursor="Hand">
+                                            <Border.Style>
+                                                <Style TargetType="Border" BasedOn="{StaticResource FsListRowStyle}">
+                                                    <Style.Triggers>
+                                                        <DataTrigger Binding="{Binding IsSelected}" Value="True">
+                                                            <Setter Property="BorderBrush" Value="#6038BDF8"/>
+                                                            <Setter Property="Background" Value="#162033"/>
+                                                        </DataTrigger>
+                                                    </Style.Triggers>
+                                                </Style>
+                                            </Border.Style>
                                             <i:Interaction.Triggers>
                                                 <i:EventTrigger EventName="PreviewMouseLeftButtonUp">
                                                     <i:InvokeCommandAction Command="{Binding QueueRowCommand, RelativeSource={RelativeSource AncestorType=Window}}" PassEventArgsToCommand="True"/>
@@ -939,6 +1013,52 @@
 
                     <!-- Past Results view -->
                     <Grid x:Name="PastResultsContainer" Visibility="Collapsed">
+                        <Grid.RowDefinitions>
+                            <RowDefinition Height="Auto"/>
+                            <RowDefinition Height="*"/>
+                        </Grid.RowDefinitions>
+
+                        <!-- Telemetry Header Bar -->
+                        <Border x:Name="PastResultsHeaderBar" Grid.Row="0"
+                                Background="{StaticResource FsBgPanel}"
+                                BorderBrush="{StaticResource FsBorderSubtle}"
+                                BorderThickness="0,0,0,1" Padding="24,8">
+                            <Grid VerticalAlignment="Center">
+                                <Grid.ColumnDefinitions>
+                                    <ColumnDefinition Width="Auto"/>
+                                    <ColumnDefinition Width="*"/>
+                                    <ColumnDefinition Width="Auto"/>
+                                </Grid.ColumnDefinitions>
+                                <Border Background="#10FFFFFF" BorderBrush="{StaticResource FsBorderHairline}"
+                                        BorderThickness="1" CornerRadius="12" Padding="10,4" VerticalAlignment="Center">
+                                    <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                                        <ui:SymbolIcon Symbol="CheckmarkCircle24" FontSize="13" Foreground="{StaticResource FsAccentGreen}"
+                                                       VerticalAlignment="Center" Margin="0,0,6,0"/>
+                                        <TextBlock Text="누적 변환: " Style="{StaticResource FsCaptionStyle}" VerticalAlignment="Center"/>
+                                        <TextBlock x:Name="PastTotalCountText" Text="0개 파일"
+                                                   FontFamily="{StaticResource FsFontMono}" FontSize="11" FontWeight="SemiBold"
+                                                   Foreground="{StaticResource FsTextPrimary}" VerticalAlignment="Center"/>
+                                        <TextBlock Text=" · " FontSize="11" Foreground="{StaticResource FsTextTertiary}" VerticalAlignment="Center"/>
+                                        <TextBlock Text="총 절감: " Style="{StaticResource FsCaptionStyle}" VerticalAlignment="Center"/>
+                                        <TextBlock x:Name="PastTotalSavingsText" Text="0 B"
+                                                   FontFamily="{StaticResource FsFontMono}" FontSize="11" FontWeight="SemiBold"
+                                                   Foreground="{StaticResource FsAccentGreen}" VerticalAlignment="Center"/>
+                                    </StackPanel>
+                                </Border>
+                                <StackPanel Grid.Column="2" Orientation="Horizontal" VerticalAlignment="Center">
+                                    <Button Padding="10,4" Style="{StaticResource FsSecondaryButtonStyle}"
+                                            Command="{Binding ExportLogCommand, RelativeSource={RelativeSource AncestorType=Window}}"
+                                            ToolTip="변환 기록 CSV/JSON 내보내기">
+                                        <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                                            <ui:SymbolIcon Symbol="ArrowDownload24" FontSize="12" VerticalAlignment="Center" Margin="0,0,4,0"/>
+                                            <TextBlock Text="내보내기" FontSize="11" VerticalAlignment="Center"/>
+                                        </StackPanel>
+                                    </Button>
+                                </StackPanel>
+                            </Grid>
+                        </Border>
+
+                        <Grid Grid.Row="1">
                         <!-- 빈 상태 안내 (Empty State) -->
                         <Grid x:Name="PastResultsEmpty" Visibility="Collapsed">
                             <Border Background="{StaticResource FsBgBase}" Padding="24">
@@ -1106,6 +1226,7 @@
                             </ItemsControl.ItemTemplate>
                         </ItemsControl>
                     </ScrollViewer>
+                        </Grid>
                     </Grid>
 
                     </Grid>
@@ -1211,6 +1332,60 @@
                                     BorderBrush="{StaticResource FsBorderSubtle}"
                                     BorderThickness="0,1,0,0">
                                 <StackPanel>
+                                    <!-- Conversion Pipeline Card (원본 -> 변환 대상 예상) -->
+                                    <Border x:Name="ConversionPipelineCard"
+                                            Margin="0,0,0,12"
+                                            Background="{StaticResource FsBgSurface}"
+                                            BorderBrush="{StaticResource FsBorderHairline}"
+                                            BorderThickness="1" CornerRadius="8" Padding="12,10">
+                                        <Grid>
+                                            <Grid.RowDefinitions>
+                                                <RowDefinition Height="Auto"/>
+                                                <RowDefinition Height="Auto"/>
+                                            </Grid.RowDefinitions>
+                                            <Grid Grid.Row="0">
+                                                <Grid.ColumnDefinitions>
+                                                    <ColumnDefinition Width="*"/>
+                                                    <ColumnDefinition Width="Auto"/>
+                                                    <ColumnDefinition Width="*"/>
+                                                </Grid.ColumnDefinitions>
+                                                <StackPanel Grid.Column="0" VerticalAlignment="Center">
+                                                    <TextBlock Text="현재 파일" Style="{StaticResource FsCaptionStyle}" FontSize="10" VerticalAlignment="Center"/>
+                                                    <TextBlock x:Name="PipelineSourceText" Text="—"
+                                                               FontFamily="{StaticResource FsFontMono}" FontSize="12"
+                                                               FontWeight="SemiBold" Foreground="{StaticResource FsTextPrimary}"
+                                                               Margin="0,2,0,0" TextTrimming="CharacterEllipsis" VerticalAlignment="Center"/>
+                                                </StackPanel>
+                                                <ui:SymbolIcon Grid.Column="1" Symbol="ArrowRight24" FontSize="14"
+                                                               Foreground="{StaticResource FsAccentCyan}"
+                                                               VerticalAlignment="Center" Margin="8,0"/>
+                                                <StackPanel Grid.Column="2" VerticalAlignment="Center" HorizontalAlignment="Right">
+                                                    <TextBlock Text="변환 대상" Style="{StaticResource FsCaptionStyle}" FontSize="10" HorizontalAlignment="Right" VerticalAlignment="Center"/>
+                                                    <TextBlock x:Name="PipelineTargetText" Text="—"
+                                                               FontFamily="{StaticResource FsFontMono}" FontSize="12"
+                                                               FontWeight="SemiBold" Foreground="{StaticResource FsAccentCyan}"
+                                                               Margin="0,2,0,0" HorizontalAlignment="Right" TextTrimming="CharacterEllipsis" VerticalAlignment="Center"/>
+                                                </StackPanel>
+                                            </Grid>
+                                            <Border Grid.Row="1" Margin="0,8,0,0" Background="#0CFFFFFF"
+                                                    CornerRadius="4" Padding="8,4" VerticalAlignment="Center">
+                                                <Grid VerticalAlignment="Center">
+                                                    <Grid.ColumnDefinitions>
+                                                        <ColumnDefinition Width="*"/>
+                                                        <ColumnDefinition Width="Auto"/>
+                                                    </Grid.ColumnDefinitions>
+                                                    <TextBlock x:Name="PipelineLossText" Text="최적화 변환 준비"
+                                                               FontSize="11" Foreground="{StaticResource FsAccentGreen}"
+                                                               VerticalAlignment="Center"/>
+                                                    <TextBlock x:Name="PipelineEstimatedText" Grid.Column="1"
+                                                               Text="실시간 엔진 매칭"
+                                                               FontFamily="{StaticResource FsFontMono}" FontSize="11"
+                                                               Foreground="{StaticResource FsAccentGreen}" VerticalAlignment="Center"/>
+                                                </Grid>
+                                            </Border>
+                                        </Grid>
+                                    </Border>
+
                                     <TextBlock x:Name="PreviewFileName"
                                                Style="{StaticResource FsBodyStyle}"
                                                FontWeight="SemiBold" TextWrapping="NoWrap"
@@ -1268,9 +1443,11 @@
                                             <ColumnDefinition Width="8"/>
                                             <ColumnDefinition Width="*"/>
                                         </Grid.ColumnDefinitions>
-                                        <Button Grid.Column="0"
+                                        <Button x:Name="PreviewOpenButton"
+                                                Grid.Column="0"
                                                 Style="{StaticResource FsSecondaryButtonStyle}"
                                                 Padding="12,8"
+                                                IsEnabled="{Binding HasSelectedItem, RelativeSource={RelativeSource AncestorType=Window}}"
                                                 Command="{Binding PreviewOpenFileCommand, RelativeSource={RelativeSource AncestorType=Window}}"
                                                 ToolTip="기본 프로그램으로 파일 열기">
                                             <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
@@ -1278,9 +1455,11 @@
                                                 <TextBlock Text="열기" VerticalAlignment="Center"/>
                                             </StackPanel>
                                         </Button>
-                                        <Button Grid.Column="2"
+                                        <Button x:Name="PreviewRevealButton"
+                                                Grid.Column="2"
                                                 Style="{StaticResource FsSecondaryButtonStyle}"
                                                 Padding="12,8"
+                                                IsEnabled="{Binding HasSelectedItem, RelativeSource={RelativeSource AncestorType=Window}}"
                                                 Command="{Binding PreviewOpenFolderCommand, RelativeSource={RelativeSource AncestorType=Window}}"
                                                 ToolTip="탐색기에서 파일 위치 열기">
                                             <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
diff --git a/src/Everything2Everything.App/Views/MainWindow.xaml.cs b/src/Everything2Everything.App/Views/MainWindow.xaml.cs
index bf22559..69a4beb 100644
--- a/src/Everything2Everything.App/Views/MainWindow.xaml.cs
+++ b/src/Everything2Everything.App/Views/MainWindow.xaml.cs
@@ -18,8 +18,30 @@ using LossClass = Everything2Everything.Core.Providers.LossClass;
 
 namespace Everything2Everything.App.Views;
 
-public partial class MainWindow : Wpf.Ui.Controls.FluentWindow
+public partial class MainWindow : Wpf.Ui.Controls.FluentWindow, INotifyPropertyChanged
 {
+    public event PropertyChangedEventHandler? PropertyChanged;
+    private void OnPropertyChanged([CallerMemberName] string? name = null)
+        => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
+
+    private bool _hasSelectedItem;
+    public bool HasSelectedItem
+    {
+        get => _hasSelectedItem;
+        set
+        {
+            if (_hasSelectedItem != value)
+            {
+                _hasSelectedItem = value;
+                OnPropertyChanged();
+            }
+        }
+    }
+
+    public ICommand ClearSearchCommand { get; }
+    public ICommand SelectAllQueueCommand => BatchSelectAllCommand;
+    public ICommand DeleteSelectedQueueCommand => BatchRemoveSelectedCommand;
+
     private readonly ConversionEngine _engine;
     private readonly ISettingsStore _settings;
     private readonly OptionsViewModel _options = new();
@@ -153,6 +175,11 @@ public partial class MainWindow : Wpf.Ui.Controls.FluentWindow
         DragLeaveCommand = new RelayCommand(_ => DropHintOverlay.Visibility = Visibility.Collapsed);
         DropCommand = new RelayCommand(p => HandleFilesDropped(p as DragEventArgs));
         QueueRowCommand = new RelayCommand(p => HandleQueueRowClick(p as MouseButtonEventArgs));
+        ClearSearchCommand = new RelayCommand(_ =>
+        {
+            SearchText = "";
+            if (SearchBox is not null) SearchBox.Text = "";
+        });
         PastRowCommand = new RelayCommand(p => HandlePastRowClick(p as MouseButtonEventArgs));
 
         InitializeComponent();
@@ -302,7 +329,9 @@ public partial class MainWindow : Wpf.Ui.Controls.FluentWindow
         foreach (var path in paths)
         {
             if (!File.Exists(path) || existing.Contains(path)) continue;
-            _activeQueue.Add(QueueItem.FromPath(path));
+            var item = QueueItem.FromPath(path);
+            item.PropertyChanged += OnQueueItemPropertyChanged;
+            _activeQueue.Add(item);
         }
         UpdateBadges();
         UpdateProcessQueueButton();
@@ -316,9 +345,18 @@ public partial class MainWindow : Wpf.Ui.Controls.FluentWindow
         }
     }
 
+    private void OnQueueItemPropertyChanged(object? sender, PropertyChangedEventArgs e)
+    {
+        if (e.PropertyName == nameof(QueueItem.IsSelected))
+        {
+            UpdateQueueSummary();
+        }
+    }
+
     private void RemoveQueueItem(QueueItem? item)
     {
         if (item is null) return;
+        item.PropertyChanged -= OnQueueItemPropertyChanged;
         _activeQueue.Remove(item);
         UpdateBadges();
         UpdateProcessQueueButton();
@@ -350,6 +388,40 @@ public partial class MainWindow : Wpf.Ui.Controls.FluentWindow
         var count = _pastResults.Sum(g => g.Entries.Count);
         TabPastBadge.Text = count.ToString(CultureInfo.InvariantCulture);
         UpdatePastResultsVisibility();
+        UpdateQueueSummary();
+        UpdatePastResultsTelemetry();
+    }
+
+    private void UpdateQueueSummary()
+    {
+        if (QueueSummaryCountText is null || QueueSummarySizeText is null) return;
+        var count = _activeQueue.Count;
+        long totalBytes = _activeQueue.Sum(q => q.SourceSizeBytes);
+        QueueSummaryCountText.Text = $"총 {count}개 항목";
+        QueueSummarySizeText.Text = HumanizeBytes(totalBytes);
+
+        var selectedCount = _activeQueue.Count(q => q.IsSelected);
+        if (QueueSelectedBadge is not null && QueueSelectedText is not null)
+        {
+            if (selectedCount > 0)
+            {
+                QueueSelectedBadge.Visibility = Visibility.Visible;
+                QueueSelectedText.Text = $"{selectedCount}개 선택됨";
+            }
+            else
+            {
+                QueueSelectedBadge.Visibility = Visibility.Collapsed;
+            }
+        }
+    }
+
+    private void UpdatePastResultsTelemetry()
+    {
+        if (PastTotalCountText is null || PastTotalSavingsText is null) return;
+        var totalCount = _pastResults.Sum(g => g.Entries.Count);
+        var totalSavings = _pastResults.Sum(g => g.SessionSavingsBytes);
+        PastTotalCountText.Text = $"{totalCount}개 파일";
+        PastTotalSavingsText.Text = HumanizeBytes(totalSavings);
     }
 
     private void UpdateProcessQueueButton()
@@ -523,10 +595,44 @@ public partial class MainWindow : Wpf.Ui.Controls.FluentWindow
         var info = FileInspectorBuilder.Build(filePath);
         PreviewFileName.Text = string.IsNullOrEmpty(fileName) ? info.FileName : fileName;
         PreviewFilePath.Text = string.IsNullOrEmpty(filePath) ? info.FullPath : filePath;
-        PreviewFormatText.Text = string.IsNullOrEmpty(formatLabel) || formatLabel == "—" ? info.Extension.TrimStart('.').ToUpperInvariant() : formatLabel;
-        PreviewSizeText.Text = string.IsNullOrEmpty(sizeText) || sizeText == "—" ? info.FormattedSize : sizeText;
+        var fmt = string.IsNullOrEmpty(formatLabel) || formatLabel == "—" ? info.Extension.TrimStart('.').ToUpperInvariant() : formatLabel;
+        var sz = string.IsNullOrEmpty(sizeText) || sizeText == "—" ? info.FormattedSize : sizeText;
+        PreviewFormatText.Text = fmt;
+        PreviewSizeText.Text = sz;
         PreviewDimText.Text = info.DimensionsOrMeta;
         PreviewPageText.Text = info.Category.ToKoreanLabel();
+        UpdateConversionPipelineCard(fmt, sz);
+        HasSelectedItem = !string.IsNullOrEmpty(filePath);
+    }
+
+    private void UpdateConversionPipelineCard(string? formatLabel, string? sizeText)
+    {
+        if (ConversionPipelineCard is null || PipelineSourceText is null || PipelineTargetText is null) return;
+
+        if (string.IsNullOrEmpty(formatLabel) || formatLabel == "—")
+        {
+            PipelineSourceText.Text = "선택 대기";
+            PipelineTargetText.Text = (SelectedOutputExtension ?? ".jpg").TrimStart('.').ToUpperInvariant();
+            if (PipelineLossText is not null) PipelineLossText.Text = "파일을 선택하면 변환 정보 표시";
+            if (PipelineEstimatedText is not null) PipelineEstimatedText.Text = "대기 중";
+            return;
+        }
+
+        PipelineSourceText.Text = $"{formatLabel} · {sizeText ?? "—"}";
+        var targetExt = (SelectedOutputExtension ?? ".jpg").TrimStart('.').ToUpperInvariant();
+        PipelineTargetText.Text = targetExt;
+
+        var isSame = string.Equals(formatLabel, targetExt, StringComparison.OrdinalIgnoreCase);
+        if (isSame)
+        {
+            if (PipelineLossText is not null) PipelineLossText.Text = "무손실 재압축 및 메타 정돈";
+            if (PipelineEstimatedText is not null) PipelineEstimatedText.Text = "최적화";
+        }
+        else
+        {
+            if (PipelineLossText is not null) PipelineLossText.Text = $"{formatLabel} → {targetExt} 변환";
+            if (PipelineEstimatedText is not null) PipelineEstimatedText.Text = "실시간 매칭";
+        }
     }
 
     private void ShowPreviewLoading()
@@ -751,6 +857,7 @@ public partial class MainWindow : Wpf.Ui.Controls.FluentWindow
     {
         bool select = parameter is true;
         BatchQueueService.SetSelectionAll(_activeQueue, select);
+        UpdateQueueSummary();
     }
 
     private void BatchRemoveSelected()
@@ -1334,6 +1441,7 @@ public partial class MainWindow : Wpf.Ui.Controls.FluentWindow
         UpdateCombineState(keepExt);
         UpdateProcessQueueButton();
         UpdateSmartPresetsForFormat(keepExt);
+        UpdateConversionPipelineCard(PreviewFormatText?.Text, PreviewSizeText?.Text);
 
         if (OutputFormatHint is not null)
         {
@@ -1379,6 +1487,7 @@ public partial class MainWindow : Wpf.Ui.Controls.FluentWindow
             UpdateQualityPanelForFormat(ext);
             UpdateOutputDestHint(ext);
             UpdateSmartPresetsForFormat(ext);
+            UpdateConversionPipelineCard(PreviewFormatText?.Text, PreviewSizeText?.Text);
         }
     }
 
diff --git a/src/Everything2Everything.Tests/DesignAuditAstTests.cs b/src/Everything2Everything.Tests/DesignAuditAstTests.cs
index 29a41e9..e0b98e7 100644
--- a/src/Everything2Everything.Tests/DesignAuditAstTests.cs
+++ b/src/Everything2Everything.Tests/DesignAuditAstTests.cs
@@ -947,6 +947,137 @@ public class DesignAuditAstTests
         Assert.True(int.TryParse(widthVal, out var w) && w <= 180,
             $"SearchBox 컬럼 폭은 180px 이하여야 필터 버튼들이 잘리지 않습니다. 현재: {widthVal}");
     }
+
+    [Fact]
+    public void BatchActionBar_MustInclude_LiveCockpitSummary()
+    {
+        // BatchActionBar는 단순 버튼 나열이 아니라 큐의 총 파일 개수 및 총 데이터 용량을 한눈에 보여주는
+        // QueueSummaryCountText 및 QueueSummarySizeText 콕핏 텔레메트리 요소를 포함해야 한다.
+        var file = Path.Combine(ViewsDir, "MainWindow.xaml");
+        var doc = XDocument.Parse(File.ReadAllText(file));
+
+        var batchBar = doc.Descendants().FirstOrDefault(e =>
+            e.Attribute(XName.Get("Name", "http://schemas.microsoft.com/winfx/2006/xaml"))?.Value == "BatchActionBar");
+        Assert.NotNull(batchBar);
+
+        var summaryCount = batchBar.Descendants().FirstOrDefault(e =>
+            e.Attribute(XName.Get("Name", "http://schemas.microsoft.com/winfx/2006/xaml"))?.Value == "QueueSummaryCountText");
+        var summarySize = batchBar.Descendants().FirstOrDefault(e =>
+            e.Attribute(XName.Get("Name", "http://schemas.microsoft.com/winfx/2006/xaml"))?.Value == "QueueSummarySizeText");
+
+        Assert.NotNull(summaryCount);
+        Assert.NotNull(summarySize);
+    }
+
+    [Fact]
+    public void Inspector_MustInclude_ConversionPipelineCard()
+    {
+        // 미리보기 패널(Inspector)은 원본과 대상 형식 간 변환 경로 및 예상 절감 효과를 즉시 시각화하는
+        // ConversionPipelineCard 컨테이너를 포함해야 한다.
+        var file = Path.Combine(ViewsDir, "MainWindow.xaml");
+        var doc = XDocument.Parse(File.ReadAllText(file));
+
+        var pipelineCard = doc.Descendants().FirstOrDefault(e =>
+            e.Attribute(XName.Get("Name", "http://schemas.microsoft.com/winfx/2006/xaml"))?.Value == "ConversionPipelineCard");
+        Assert.NotNull(pipelineCard);
+
+        var sourceText = pipelineCard.Descendants().FirstOrDefault(e =>
+            e.Attribute(XName.Get("Name", "http://schemas.microsoft.com/winfx/2006/xaml"))?.Value == "PipelineSourceText");
+        var targetText = pipelineCard.Descendants().FirstOrDefault(e =>
+            e.Attribute(XName.Get("Name", "http://schemas.microsoft.com/winfx/2006/xaml"))?.Value == "PipelineTargetText");
+
+        Assert.NotNull(sourceText);
+        Assert.NotNull(targetText);
+    }
+
+    [Fact]
+    public void PastResults_MustInclude_TelemetryHeaderBar()
+    {
+        // 변환 기록 뷰(PastResultsContainer)는 단순 리스트 노출 전에 누적 변환 수량 및 총 절감량을 요약하고
+        // 빠른 내보내기 액션을 제공하는 PastResultsHeaderBar 툴바를 포함해야 한다.
+        var file = Path.Combine(ViewsDir, "MainWindow.xaml");
+        var doc = XDocument.Parse(File.ReadAllText(file));
+
+        var container = doc.Descendants().FirstOrDefault(e =>
+            e.Attribute(XName.Get("Name", "http://schemas.microsoft.com/winfx/2006/xaml"))?.Value == "PastResultsContainer");
+        Assert.NotNull(container);
+
+        var headerBar = container.Descendants().FirstOrDefault(e =>
+            e.Attribute(XName.Get("Name", "http://schemas.microsoft.com/winfx/2006/xaml"))?.Value == "PastResultsHeaderBar");
+        Assert.NotNull(headerBar);
+    }
+
+    [Fact]
+    public void Sidebar_OutputFormatHint_MustWrapText()
+    {
+        // 320px 좁은 사이드바 폭에서도 설명 문구가 '자동 필...'처럼 잘리지 않도록
+        // OutputFormatHint는 TextWrapping="Wrap"을 선언해야 한다.
+        var file = Path.Combine(ViewsDir, "MainWindow.xaml");
+        var doc = XDocument.Parse(File.ReadAllText(file));
+
+        var hint = doc.Descendants().FirstOrDefault(e =>
+            e.Attribute(XName.Get("Name", "http://schemas.microsoft.com/winfx/2006/xaml"))?.Value == "OutputFormatHint");
+        Assert.NotNull(hint);
+
+        var textWrapping = hint.Attribute("TextWrapping")?.Value;
+        Assert.Equal("Wrap", textWrapping);
+    }
+    [Fact]
+    public void SearchBox_MustInclude_WatermarkPlaceholder_And_ClearButton()
+    {
+        // 검색창은 플레이스홀더 워터마크(SearchPlaceholderText)와 입력 내용 원클릭 지우기 버튼(SearchClearButton)을 포함해야 한다.
+        var file = Path.Combine(ViewsDir, "MainWindow.xaml");
+        var doc = XDocument.Parse(File.ReadAllText(file));
+
+        var placeholder = doc.Descendants().FirstOrDefault(e =>
+            e.Attribute(XName.Get("Name", "http://schemas.microsoft.com/winfx/2006/xaml"))?.Value == "SearchPlaceholderText");
+        var clearBtn = doc.Descendants().FirstOrDefault(e =>
+            e.Attribute(XName.Get("Name", "http://schemas.microsoft.com/winfx/2006/xaml"))?.Value == "SearchClearButton");
+
+        Assert.NotNull(placeholder);
+        Assert.NotNull(clearBtn);
+    }
+
+    [Fact]
+    public void Inspector_ActionButtons_MustBind_IsEnabled_To_Selection()
+    {
+        // 파일이 선택되지 않았을 때 무의미한 클릭을 방지하기 위해
+        // 미리보기 하단의 열기(PreviewOpenButton) 및 폴더보기(PreviewRevealButton) 버튼은 IsEnabled 바인딩 또는 제어를 가져야 한다.
+        var file = Path.Combine(ViewsDir, "MainWindow.xaml");
+        var doc = XDocument.Parse(File.ReadAllText(file));
+
+        var openBtn = doc.Descendants().FirstOrDefault(e =>
+            e.Attribute(XName.Get("Name", "http://schemas.microsoft.com/winfx/2006/xaml"))?.Value == "PreviewOpenButton");
+        var revealBtn = doc.Descendants().FirstOrDefault(e =>
+            e.Attribute(XName.Get("Name", "http://schemas.microsoft.com/winfx/2006/xaml"))?.Value == "PreviewRevealButton");
+
+        Assert.NotNull(openBtn);
+        Assert.NotNull(revealBtn);
+
+        var openEnabled = openBtn.Attribute("IsEnabled")?.Value;
+        var revealEnabled = revealBtn.Attribute("IsEnabled")?.Value;
+
+        Assert.NotNull(openEnabled);
+        Assert.NotNull(revealEnabled);
+    }
+
+    [Fact]
+    public void Window_InputBindings_MustInclude_SelectAll_And_Delete()
+    {
+        // Raycast / Linear 급 생산성을 위해 전체 선택(Ctrl+A) 및 선택 항목 삭제(Delete) 단축키가 Window.InputBindings에 등록되어야 한다.
+        var file = Path.Combine(ViewsDir, "MainWindow.xaml");
+        var doc = XDocument.Parse(File.ReadAllText(file));
+
+        var inputBindings = doc.Descendants().FirstOrDefault(e => e.Name.LocalName == "Window.InputBindings");
+        Assert.NotNull(inputBindings);
+
+        var keyBindings = inputBindings.Elements().Where(e => e.Name.LocalName == "KeyBinding").ToList();
+        bool hasCtrlA = keyBindings.Any(kb => kb.Attribute("Key")?.Value == "A" && kb.Attribute("Modifiers")?.Value == "Ctrl");
+        bool hasDelete = keyBindings.Any(kb => kb.Attribute("Key")?.Value == "Delete");
+
+        Assert.True(hasCtrlA, "Window.InputBindings에 Ctrl+A 단축키가 등록되어야 합니다.");
+        Assert.True(hasDelete, "Window.InputBindings에 Delete 단축키가 등록되어야 합니다.");
+    }
 }
 
 
diff --git a/src/Everything2Everything.Tests/UnifiedTitleBarTests.cs b/src/Everything2Everything.Tests/UnifiedTitleBarTests.cs
index 539a75e..91bbfa4 100644
--- a/src/Everything2Everything.Tests/UnifiedTitleBarTests.cs
+++ b/src/Everything2Everything.Tests/UnifiedTitleBarTests.cs
@@ -416,6 +416,19 @@ public class UnifiedTitleBarTests
             Assert.Equal("50%", q2.DisplayStateText);
             Assert.Equal("변환 완료", q3.DisplayStateText);
 
+            var summaryCount = (TextBlock)window.FindName("QueueSummaryCountText");
+            var summarySize = (TextBlock)window.FindName("QueueSummarySizeText");
+            Assert.NotNull(summaryCount);
+            Assert.NotNull(summarySize);
+            Assert.Equal("총 3개 항목", summaryCount.Text);
+
+            var pipeSource = (TextBlock)window.FindName("PipelineSourceText");
+            var pipeTarget = (TextBlock)window.FindName("PipelineTargetText");
+            Assert.NotNull(pipeSource);
+            Assert.NotNull(pipeTarget);
+            Assert.Equal("JPG · 4.2 MB", pipeSource.Text);
+            Assert.Equal("JPG", pipeTarget.Text);
+
             try
             {
                 var rtb = new System.Windows.Media.Imaging.RenderTargetBitmap(1280, 960, 96, 96, System.Windows.Media.PixelFormats.Pbgra32);
@@ -583,6 +596,10 @@ public class UnifiedTitleBarTests
             Assert.Equal(Visibility.Collapsed, pastResultsEmpty.Visibility);
             Assert.Equal(Visibility.Visible, pastResultsView.Visibility);
 
+            var pastTotalCount = (TextBlock)window.FindName("PastTotalCountText");
+            Assert.NotNull(pastTotalCount);
+            Assert.Equal("2개 파일", pastTotalCount.Text);
+
             // Render populated state
             try
             {