refactor: 프로젝트명 DB720Flasher → FirmwareFlasher

폴더·csproj·어셈블리명·RootNamespace·코드 namespace·x:Class·app.manifest 전부 변경.
빌드 결과가 네이티브로 FirmwareFlasher.exe 로 나온다(dist 수동 리네임 불필요).
README 빌드/구조 경로도 갱신. 모델명 "DB720"은 그대로 유지.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

FirmwareFlasher/MainWindow.xaml

@@ -0,0 +1,179 @@
+<Window x:Class="FirmwareFlasher.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        Title="펌웨어 플래시 도구" Height="660" Width="960"
+        MinHeight="560" MinWidth="860"
+        Background="{StaticResource Bg}" FontFamily="Segoe UI"
+        TextOptions.TextFormattingMode="Display">
+
+  <Window.Resources>
+    <Style x:Key="Card" TargetType="Border">
+      <Setter Property="Background" Value="{StaticResource Surface}" />
+      <Setter Property="BorderBrush" Value="{StaticResource Border}" />
+      <Setter Property="BorderThickness" Value="1" />
+      <Setter Property="CornerRadius" Value="10" />
+      <Setter Property="Padding" Value="16" />
+    </Style>
+    <Style x:Key="Hint" TargetType="TextBlock">
+      <Setter Property="Foreground" Value="{StaticResource TextSubtle}" />
+      <Setter Property="FontSize" Value="12" />
+      <Setter Property="TextWrapping" Value="Wrap" />
+    </Style>
+    <Style x:Key="FieldLabel" TargetType="TextBlock">
+      <Setter Property="Foreground" Value="{StaticResource TextSubtle}" />
+      <Setter Property="FontSize" Value="11" />
+      <Setter Property="FontWeight" Value="SemiBold" />
+      <Setter Property="Margin" Value="2,0,0,4" />
+    </Style>
+  </Window.Resources>
+
+  <Grid>
+    <Grid.RowDefinitions>
+      <RowDefinition Height="Auto" />
+      <RowDefinition Height="*" />
+    </Grid.RowDefinitions>
+
+    <!-- 헤더 -->
+    <Border Grid.Row="0" Background="{StaticResource SurfaceAlt}" Padding="18,12">
+      <DockPanel>
+        <TextBlock DockPanel.Dock="Left" Text="펌웨어 플래시 도구" Foreground="{StaticResource Text}"
+                   FontSize="18" FontWeight="Bold" VerticalAlignment="Center" />
+        <TextBlock x:Name="txtEsptool" Text="esptool 확인 중…" Foreground="{StaticResource TextSubtle}"
+                   FontSize="11" VerticalAlignment="Center" HorizontalAlignment="Right"
+                   TextTrimming="CharacterEllipsis" MaxWidth="460" />
+      </DockPanel>
+    </Border>
+
+    <!-- 본문: 좌(설정) / 우(실행+로그) -->
+    <Grid Grid.Row="1" Margin="16">
+      <Grid.ColumnDefinitions>
+        <ColumnDefinition Width="350" />
+        <ColumnDefinition Width="*" />
+      </Grid.ColumnDefinitions>
+
+      <!-- ===== 좌: 설정 ===== -->
+      <Border Grid.Column="0" Style="{StaticResource Card}">
+        <ScrollViewer VerticalScrollBarVisibility="Auto">
+          <StackPanel>
+
+            <TextBlock Style="{StaticResource FieldLabel}" Text="펌웨어 폴더" />
+            <Grid>
+              <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="*" />
+                <ColumnDefinition Width="Auto" />
+              </Grid.ColumnDefinitions>
+              <TextBox x:Name="txtFwFolder" Grid.Column="0" IsReadOnly="True" Text="(탐색 중…)" />
+              <Button x:Name="btnBrowse" Grid.Column="1" Content="폴더…" Margin="6,0,0,0" Click="OnBrowseClick" />
+            </Grid>
+
+            <TextBlock Style="{StaticResource FieldLabel}" Text="앱" Margin="2,12,0,4" />
+            <ComboBox x:Name="cboApps" />
+
+            <TextBlock Style="{StaticResource FieldLabel}" Text="모델" Margin="2,12,0,4" />
+            <ComboBox x:Name="cboModel" />
+            <TextBlock x:Name="txtProfile" Style="{StaticResource Hint}" FontSize="11" Margin="2,4,0,0" />
+
+            <Grid Margin="0,12,0,4">
+              <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="*" />
+                <ColumnDefinition Width="Auto" />
+              </Grid.ColumnDefinitions>
+              <TextBlock Style="{StaticResource FieldLabel}" Text="포트" VerticalAlignment="Bottom" Margin="2,0,0,0" />
+              <Button x:Name="btnRefresh" Grid.Column="1" Content="↻ 새로고침" Click="OnRefreshClick"
+                      MinHeight="24" Padding="8,0" FontSize="11" />
+            </Grid>
+            <ComboBox x:Name="cboPorts" />
+            <TextBlock x:Name="txtPortStatus" Margin="2,6,0,0" FontSize="12" Foreground="{StaticResource Warn}"
+                       TextWrapping="Wrap" Text="포트 검색 중…" />
+            <TextBlock x:Name="txtConsoleWarn" Style="{StaticResource Hint}" Margin="2,4,0,0"
+                       Foreground="{StaticResource Warn}" Visibility="Collapsed" />
+
+            <TextBlock Style="{StaticResource FieldLabel}" Text="플래시 모드" Margin="2,14,0,4" />
+            <StackPanel Orientation="Horizontal">
+              <RadioButton x:Name="rbAppOnly" GroupName="mode" Content="앱만" IsChecked="True"
+                           Checked="OnModeChanged" Margin="0,0,16,0" />
+              <RadioButton x:Name="rbStandard" GroupName="mode" Content="표준" Checked="OnModeChanged" Margin="0,0,16,0" />
+              <RadioButton x:Name="rbFull" GroupName="mode" Content="전체" Checked="OnModeChanged" />
+            </StackPanel>
+            <TextBlock Style="{StaticResource Hint}" FontSize="11" Margin="2,6,0,0"
+                       Text="앱만=부트로더 안 건드림(안전) · 표준=부트로더 빼고 전부 · 전체=부트로더까지(eFuse 위험)" />
+            <CheckBox x:Name="chkForce" Margin="0,10,0,0" FontSize="12"
+                      Content="--force (secure 보드 부트로더 거부 시)" />
+
+            <!-- eFuse 경고(전체 선택 시) — 컴팩트, 전체 설명은 툴팁 -->
+            <Border x:Name="pnlEfuse" Visibility="Collapsed" Margin="0,10,0,0"
+                    Background="{StaticResource DangerDim}" BorderBrush="{StaticResource Danger}"
+                    BorderThickness="1" CornerRadius="6" Padding="10">
+              <Border.ToolTip>
+                <ToolTip MaxWidth="360">
+                  <TextBlock TextWrapping="Wrap" Text="전체 플래시는 부트로더를 다시 씁니다. secure boot eFuse가 아직 안 구워진 보드는 첫 부팅에 영구로 구워집니다(되돌릴 수 없음). 이미 구워진 보드는 부트로더(0x8000 아래) 쓰기를 거부하는데(정상) — 그땐 '표준'이나 '앱만'으로. 부트로더를 꼭 다시 써야 하면 --force가 필요할 수 있습니다." />
+                </ToolTip>
+              </Border.ToolTip>
+              <StackPanel>
+                <TextBlock Foreground="{StaticResource Danger}" FontWeight="Bold" FontSize="12" TextWrapping="Wrap"
+                           Text="⚠ 부트로더 재작성 · eFuse 영구 굽힘 위험(비가역)" />
+                <CheckBox x:Name="chkEfuseAck" Margin="0,8,0,0" FontSize="12" Foreground="{StaticResource Danger}"
+                          Checked="OnModeChanged" Unchecked="OnModeChanged"
+                          Content="위험을 이해했습니다(첫 굽기/복구)" />
+              </StackPanel>
+            </Border>
+
+          </StackPanel>
+        </ScrollViewer>
+      </Border>
+
+      <!-- ===== 우: 실행 + 로그 ===== -->
+      <Border Grid.Column="1" Style="{StaticResource Card}" Margin="12,0,0,0">
+        <Grid>
+          <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="*" />
+            <RowDefinition Height="Auto" />
+          </Grid.RowDefinitions>
+
+          <!-- 액션 행 -->
+          <Grid Grid.Row="0">
+            <Grid.ColumnDefinitions>
+              <ColumnDefinition Width="*" />
+              <ColumnDefinition Width="Auto" />
+              <ColumnDefinition Width="Auto" />
+            </Grid.ColumnDefinitions>
+            <Button x:Name="btnFlash" Grid.Column="0" Style="{StaticResource PrimaryButton}"
+                    Height="46" FontSize="15" Content="플래시 시작" Click="OnFlashClick" />
+            <Button x:Name="btnTest" Grid.Column="1" Content="포트 점검" Margin="8,0,0,0" Height="46" Click="OnTestClick" />
+            <Button x:Name="btnStop" Grid.Column="2" Content="중지" Margin="8,0,0,0" Height="46" Width="80"
+                    IsEnabled="False" Click="OnStopClick" />
+          </Grid>
+
+          <!-- 진행바 -->
+          <ProgressBar x:Name="barProgress" Grid.Row="1" Height="10" Margin="0,14,0,0" Minimum="0" Maximum="1" />
+          <Grid Grid.Row="2" Margin="0,6,0,0">
+            <TextBlock x:Name="txtStep" Style="{StaticResource Hint}" HorizontalAlignment="Left" />
+            <TextBlock x:Name="txtPercent" Style="{StaticResource Hint}" HorizontalAlignment="Right" Text="0%" />
+          </Grid>
+
+          <!-- 다운로드 모드 안내 strip -->
+          <Border Grid.Row="3" Margin="0,12,0,0" Background="{StaticResource SurfaceAlt}" CornerRadius="6" Padding="10,7">
+            <TextBlock x:Name="txtDlMode" Style="{StaticResource Hint}" Foreground="{StaticResource Text}" />
+          </Border>
+
+          <!-- 로그(채움) -->
+          <TextBox x:Name="txtLog" Grid.Row="4" Margin="0,12,0,0" IsReadOnly="True"
+                   FontFamily="Consolas" FontSize="12" Background="#FF15161A"
+                   Foreground="#FFCFD3D8" BorderBrush="{StaticResource Border}"
+                   VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Auto"
+                   TextWrapping="NoWrap" VerticalContentAlignment="Top" />
+
+          <!-- 결과 배너 -->
+          <Border x:Name="pnlResult" Grid.Row="5" Visibility="Collapsed" Margin="0,12,0,0"
+                  CornerRadius="8" Padding="14" BorderThickness="1">
+            <TextBlock x:Name="txtResult" TextWrapping="Wrap" FontSize="13" />
+          </Border>
+        </Grid>
+      </Border>
+    </Grid>
+  </Grid>
+</Window>