feat(v1.8.0): 祝贺闪屏动画替代 MsgBox + cmd 黑窗

安装成功后的体验:
- 移除: MsgBox "安装成功" 弹窗 + cmd.exe /k claude 黑窗口
- 新增: 品牌闪屏 (深色底 + 蓝紫装饰条 + 绿色大勾)
  - 淡入动画 (300ms) → 停留 2.5s → 淡出 (250ms)
  - 显示: 版本号 + Skills/Hooks 数量 + "善读者,必善造"
  - 底部提示 "双击桌面 Bookworm 图标即可启动"
- 不再自动弹出 cmd 窗口 (用户通过桌面快捷方式启动)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

auto-setup.ps1

@@ -16,7 +16,7 @@ param(
 $ErrorActionPreference = "Stop"
 
 # ─── 版本号 (每次更新递增, build.ps1 自动读取) ──────
-$BWVersion = "1.7.1"
+$BWVersion = "1.8.0"
 
 # ─── B4: 单实例保护 (防止双击两次导致竞态) ─────────
 $mutexCreated = $false
@@ -1308,7 +1308,7 @@ try {
     }
 } catch { Bw-Log "WARN" "7c 冲突修复失败: $_" }
 
-# 关闭 GUI 进度窗口 (后续由 Show-MsgBox 显示成功/失败)
+# 关闭进度窗口
 Close-ProgressForm
 
 # 创建桌面快捷方式
@@ -1316,12 +1316,103 @@ New-DesktopShortcuts
 
 if ($allOK -and $env:ANTHROPIC_API_KEY) {
     Bw-Log "DONE" "v$BWVersion 安装成功 ($skillCount Skills / $hookCount Hooks)"
-    Show-MsgBox "Bookworm Portable v$BWVersion 安装成功！`n`n$skillCount Skills / $hookCount Hooks 全部就绪`n`n点击确定后将自动启动 Claude Code。`n`n日志: $BWLogFile" "安装成功 v$BWVersion" "OK" "Information" | Out-Null
 
-    if (-not $SkipLaunch) {
+    # ═══ 祝贺闪屏 (2.5 秒自动消失) ═══
-        # 启动 Claude Code: 用户的 Claude Code 由 cmd 窗口启动 (PS2EXE -NoConsole 下会创建新窗口)
+    $splash = New-Object System.Windows.Forms.Form
-        Start-Process -FilePath "cmd.exe" -ArgumentList "/k", "claude --dangerously-skip-permissions"
+    $splash.FormBorderStyle = "None"
+    $splash.StartPosition = "CenterScreen"
+    $splash.Size = New-Object System.Drawing.Size(480, 300)
+    $splash.BackColor = [System.Drawing.Color]::FromArgb(24, 25, 38)
+    $splash.TopMost = $true
+    $splash.ShowInTaskbar = $false
+    $splash.Opacity = 0.0
+
+    # 品牌蓝紫装饰条
+    $topBar = New-Object System.Windows.Forms.Panel
+    $topBar.Location = New-Object System.Drawing.Point(0, 0)
+    $topBar.Size = New-Object System.Drawing.Size(480, 4)
+    $topBar.BackColor = [System.Drawing.Color]::FromArgb(88, 101, 242)
+    $splash.Controls.Add($topBar)
+
+    # 大勾图标
+    $checkLabel = New-Object System.Windows.Forms.Label
+    $checkLabel.Location = New-Object System.Drawing.Point(0, 35)
+    $checkLabel.Size = New-Object System.Drawing.Size(480, 55)
+    $checkLabel.Text = [char]0x2714
+    $checkLabel.Font = New-Object System.Drawing.Font("Segoe UI", 36)
+    $checkLabel.ForeColor = [System.Drawing.Color]::FromArgb(46, 160, 67)
+    $checkLabel.TextAlign = [System.Drawing.ContentAlignment]::MiddleCenter
+    $splash.Controls.Add($checkLabel)
+
+    # 主标题
+    $mainTitle = New-Object System.Windows.Forms.Label
+    $mainTitle.Location = New-Object System.Drawing.Point(0, 95)
+    $mainTitle.Size = New-Object System.Drawing.Size(480, 38)
+    $mainTitle.Text = "Bookworm v$BWVersion 安装成功"
+    $mainTitle.Font = New-Object System.Drawing.Font("Segoe UI", 18, [System.Drawing.FontStyle]::Bold)
+    $mainTitle.ForeColor = [System.Drawing.Color]::White
+    $mainTitle.TextAlign = [System.Drawing.ContentAlignment]::MiddleCenter
+    $splash.Controls.Add($mainTitle)
+
+    # 副标题
+    $subTitle = New-Object System.Windows.Forms.Label
+    $subTitle.Location = New-Object System.Drawing.Point(0, 140)
+    $subTitle.Size = New-Object System.Drawing.Size(480, 28)
+    $subTitle.Text = "$skillCount Skills  /  $hookCount Hooks  /  全部就绪"
+    $subTitle.Font = New-Object System.Drawing.Font("Segoe UI", 11)
+    $subTitle.ForeColor = [System.Drawing.Color]::FromArgb(160, 170, 200)
+    $subTitle.TextAlign = [System.Drawing.ContentAlignment]::MiddleCenter
+    $splash.Controls.Add($subTitle)
+
+    # 祝福语
+    $wish = New-Object System.Windows.Forms.Label
+    $wish.Location = New-Object System.Drawing.Point(0, 190)
+    $wish.Size = New-Object System.Drawing.Size(480, 30)
+    $wish.Text = "善读者，必善造。使用愉快！"
+    $wish.Font = New-Object System.Drawing.Font("Segoe UI", 12)
+    $wish.ForeColor = [System.Drawing.Color]::FromArgb(88, 101, 242)
+    $wish.TextAlign = [System.Drawing.ContentAlignment]::MiddleCenter
+    $splash.Controls.Add($wish)
+
+    # 底部提示
+    $hint = New-Object System.Windows.Forms.Label
+    $hint.Location = New-Object System.Drawing.Point(0, 250)
+    $hint.Size = New-Object System.Drawing.Size(480, 22)
+    $hint.Text = "双击桌面 Bookworm 图标即可随时启动"
+    $hint.Font = New-Object System.Drawing.Font("Segoe UI", 9)
+    $hint.ForeColor = [System.Drawing.Color]::FromArgb(100, 110, 130)
+    $hint.TextAlign = [System.Drawing.ContentAlignment]::MiddleCenter
+    $splash.Controls.Add($hint)
+
+    # 底部装饰条
+    $bottomBar = New-Object System.Windows.Forms.Panel
+    $bottomBar.Location = New-Object System.Drawing.Point(0, 296)
+    $bottomBar.Size = New-Object System.Drawing.Size(480, 4)
+    $bottomBar.BackColor = [System.Drawing.Color]::FromArgb(88, 101, 242)
+    $splash.Controls.Add($bottomBar)
+
+    # 淡入动画 + 定时关闭
+    $splash.Show()
+    for ($i = 0; $i -le 10; $i++) {
+        $splash.Opacity = $i / 10.0
+        $splash.Refresh()
+        Start-Sleep -Milliseconds 30
     }
+    # 停留 2.5 秒
+    $sw = [System.Diagnostics.Stopwatch]::StartNew()
+    while ($sw.ElapsedMilliseconds -lt 2500) {
+        [System.Windows.Forms.Application]::DoEvents()
+        Start-Sleep -Milliseconds 50
+    }
+    # 淡出
+    for ($i = 10; $i -ge 0; $i--) {
+        $splash.Opacity = $i / 10.0
+        $splash.Refresh()
+        Start-Sleep -Milliseconds 25
+    }
+    $splash.Close()
+    $splash.Dispose()
+
 } else {
     Bw-Log "DONE" "安装完成但部分受限 allOK=$allOK hasKey=$($env:ANTHROPIC_API_KEY -ne $null)"