.NET Framework 4.8 업그레이드 및 WebView2 통합

- 모든 프로젝트를 .NET Framework 4.0 → 4.8로 업그레이드
- WebView2 NuGet 패키지 추가 (v1.0.3537.50)
- 사용자 매뉴얼 폼 추가 (Frm_WebManual)
  * WebView2 컨트롤 통합
  * localhost:58123 자동 로드
  * MDI 메인 메뉴에 Manual 항목 추가

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

ArinWarev1/MdiMain.Designer.vb

@@ -109,6 +109,7 @@ Partial Class MdiMain
         Me.비교데이터백업ToolStripMenuItem = New System.Windows.Forms.ToolStripMenuItem()
         Me.데이터비교ToolStripMenuItem = New System.Windows.Forms.ToolStripMenuItem()
         Me.순실체적ToolStripMenuItem = New System.Windows.Forms.ToolStripMenuItem()
+        Me.ManualToolStripMenuItem = New System.Windows.Forms.ToolStripMenuItem()
         Me.StatusStrip1.SuspendLayout()
         Me.MenuStrip1.SuspendLayout()
         Me.ContextMenuStrip1.SuspendLayout()
@@ -178,7 +179,7 @@ Partial Class MdiMain
         'MenuStrip1
         '
         Me.MenuStrip1.Font = New System.Drawing.Font("돋움", 9.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(129, Byte))
-        Me.MenuStrip1.Items.AddRange(New System.Windows.Forms.ToolStripItem() {Me.ReportToolStripMenuItem, Me.건물개요ToolStripMenuItem, Me.환경설정ToolStripMenuItem, Me.bt_계산결과, Me.결과그래프ToolStripMenuItem, Me.정보ToolStripMenuItem1, Me.bt_etc, Me.WindowsMenu, Me.btcustomprofile})
+        Me.MenuStrip1.Items.AddRange(New System.Windows.Forms.ToolStripItem() {Me.ReportToolStripMenuItem, Me.건물개요ToolStripMenuItem, Me.환경설정ToolStripMenuItem, Me.bt_계산결과, Me.결과그래프ToolStripMenuItem, Me.정보ToolStripMenuItem1, Me.bt_etc, Me.WindowsMenu, Me.btcustomprofile, Me.ManualToolStripMenuItem})
         Me.MenuStrip1.Location = New System.Drawing.Point(0, 0)
         Me.MenuStrip1.MdiWindowListItem = Me.WindowsMenu
         Me.MenuStrip1.Name = "MenuStrip1"
@@ -696,6 +697,13 @@ Partial Class MdiMain
         Me.순실체적ToolStripMenuItem.Size = New System.Drawing.Size(170, 22)
         Me.순실체적ToolStripMenuItem.Text = "3.순실체적"
         '
+        'ManualToolStripMenuItem
+        '
+        Me.ManualToolStripMenuItem.Alignment = System.Windows.Forms.ToolStripItemAlignment.Right
+        Me.ManualToolStripMenuItem.Name = "ManualToolStripMenuItem"
+        Me.ManualToolStripMenuItem.Size = New System.Drawing.Size(59, 20)
+        Me.ManualToolStripMenuItem.Text = "Manual"
+        '
         'MdiMain
         '
         Me.AutoScaleDimensions = New System.Drawing.SizeF(7.0!, 12.0!)
@@ -821,5 +829,5 @@ Partial Class MdiMain
     Friend WithEvents BatchUpdateProfileToolStripMenuItem As System.Windows.Forms.ToolStripMenuItem
     Friend WithEvents btcustomprofile As System.Windows.Forms.ToolStripMenuItem
     Friend WithEvents btMacro2 As System.Windows.Forms.ToolStripMenuItem
-
+    Friend WithEvents ManualToolStripMenuItem As ToolStripMenuItem
 End Class