feat: Add .qwen directory installation support to Install-Claude.ps1

Add .qwen directory to installation script for Qwen agent support,
ensuring complete multi-tool environment setup.

Changes:
- Add .qwen directory prerequisite check
- Add .qwen source and destination paths for Global mode
- Add .qwen source and destination paths for Path mode
- Include .qwen in backup folder detection
- Merge .qwen directory contents in both Global and Path modes
- Update installation summary to include .qwen
- Update Next steps documentation to include .qwen/QWEN.md

Installation modes:
- Global: Installs .qwen to ~/.qwen
- Path: Installs .qwen to local directory

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

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

Install-Claude.ps1

@@ -167,6 +167,7 @@ function Test-Prerequisites {
     $claudeMd = Join-Path $sourceDir "CLAUDE.md"
     $codexDir = Join-Path $sourceDir ".codex"
     $geminiDir = Join-Path $sourceDir ".gemini"
+    $qwenDir = Join-Path $sourceDir ".qwen"
 
     if (-not (Test-Path $claudeDir)) {
         Write-ColorOutput "ERROR: .claude directory not found in $sourceDir" $ColorError
@@ -188,6 +189,11 @@ function Test-Prerequisites {
         return $false
     }
 
+    if (-not (Test-Path $qwenDir)) {
+        Write-ColorOutput "ERROR: .qwen directory not found in $sourceDir" $ColorError
+        return $false
+    }
+
     Write-ColorOutput "Prerequisites check passed" $ColorSuccess
     return $true
 }
@@ -666,6 +672,7 @@ function Install-Global {
     $globalClaudeMd = Join-Path $globalClaudeDir "CLAUDE.md"
     $globalCodexDir = Join-Path $userProfile ".codex"
     $globalGeminiDir = Join-Path $userProfile ".gemini"
+    $globalQwenDir = Join-Path $userProfile ".qwen"
 
     Write-ColorOutput "Global installation path: $userProfile" $ColorInfo
 
@@ -675,11 +682,12 @@ function Install-Global {
     $sourceClaudeMd = Join-Path $sourceDir "CLAUDE.md"
     $sourceCodexDir = Join-Path $sourceDir ".codex"
     $sourceGeminiDir = Join-Path $sourceDir ".gemini"
+    $sourceQwenDir = Join-Path $sourceDir ".qwen"
 
     # Create backup folder if needed (default behavior unless NoBackup is specified)
     $backupFolder = $null
     if (-not $NoBackup) {
-        if ((Test-Path $globalClaudeDir) -or (Test-Path $globalCodexDir) -or (Test-Path $globalGeminiDir)) {
+        if ((Test-Path $globalClaudeDir) -or (Test-Path $globalCodexDir) -or (Test-Path $globalGeminiDir) -or (Test-Path $globalQwenDir)) {
             $existingFiles = @()
             if (Test-Path $globalClaudeDir) {
                 $existingFiles += Get-ChildItem $globalClaudeDir -Recurse -File -ErrorAction SilentlyContinue
@@ -690,6 +698,9 @@ function Install-Global {
             if (Test-Path $globalGeminiDir) {
                 $existingFiles += Get-ChildItem $globalGeminiDir -Recurse -File -ErrorAction SilentlyContinue
             }
+            if (Test-Path $globalQwenDir) {
+                $existingFiles += Get-ChildItem $globalQwenDir -Recurse -File -ErrorAction SilentlyContinue
+            }
             if (($existingFiles -and ($existingFiles | Measure-Object).Count -gt 0)) {
                 $backupFolder = Get-BackupDirectory -TargetDirectory $userProfile
                 Write-ColorOutput "Backup folder created: $backupFolder" $ColorInfo
@@ -717,6 +728,10 @@ function Install-Global {
     Write-ColorOutput "Merging .gemini directory contents..." $ColorInfo
     $geminiMerged = Merge-DirectoryContents -Source $sourceGeminiDir -Destination $globalGeminiDir -Description ".gemini directory contents" -BackupFolder $backupFolder
 
+    # Merge .qwen directory contents
+    Write-ColorOutput "Merging .qwen directory contents..." $ColorInfo
+    $qwenMerged = Merge-DirectoryContents -Source $sourceQwenDir -Destination $globalQwenDir -Description ".qwen directory contents" -BackupFolder $backupFolder
+
     # Create version.json in global .claude directory
     Write-ColorOutput "Creating version.json..." $ColorInfo
     Create-VersionJson -TargetClaudeDir $globalClaudeDir -InstallationMode "Global"
@@ -753,16 +768,18 @@ function Install-Path {
     $sourceClaudeMd = Join-Path $sourceDir "CLAUDE.md"
     $sourceCodexDir = Join-Path $sourceDir ".codex"
     $sourceGeminiDir = Join-Path $sourceDir ".gemini"
+    $sourceQwenDir = Join-Path $sourceDir ".qwen"
 
-    # Local paths - for agents, commands, output-styles, .codex, .gemini
+    # Local paths - for agents, commands, output-styles, .codex, .gemini, .qwen
     $localClaudeDir = Join-Path $TargetDirectory ".claude"
     $localCodexDir = Join-Path $TargetDirectory ".codex"
     $localGeminiDir = Join-Path $TargetDirectory ".gemini"
+    $localQwenDir = Join-Path $TargetDirectory ".qwen"
 
     # Create backup folder if needed
     $backupFolder = $null
     if (-not $NoBackup) {
-        if ((Test-Path $localClaudeDir) -or (Test-Path $localCodexDir) -or (Test-Path $localGeminiDir) -or (Test-Path $globalClaudeDir)) {
+        if ((Test-Path $localClaudeDir) -or (Test-Path $localCodexDir) -or (Test-Path $localGeminiDir) -or (Test-Path $localQwenDir) -or (Test-Path $globalClaudeDir)) {
             $backupFolder = Get-BackupDirectory -TargetDirectory $TargetDirectory
             Write-ColorOutput "Backup folder created: $backupFolder" $ColorInfo
         }
@@ -858,6 +875,10 @@ function Install-Path {
     Write-ColorOutput "Merging .gemini directory contents to local location..." $ColorInfo
     $geminiMerged = Merge-DirectoryContents -Source $sourceGeminiDir -Destination $localGeminiDir -Description ".gemini directory contents" -BackupFolder $backupFolder
 
+    # Merge .qwen directory contents to local location
+    Write-ColorOutput "Merging .qwen directory contents to local location..." $ColorInfo
+    $qwenMerged = Merge-DirectoryContents -Source $sourceQwenDir -Destination $localQwenDir -Description ".qwen directory contents" -BackupFolder $backupFolder
+
     # Create version.json in local .claude directory
     Write-ColorOutput "Creating version.json in local directory..." $ColorInfo
     Create-VersionJson -TargetClaudeDir $localClaudeDir -InstallationMode "Path"
@@ -971,11 +992,11 @@ function Show-Summary {
     if ($Mode -eq "Path") {
         Write-Host "  Local Path: $Path"
         Write-Host "  Global Path: $([Environment]::GetFolderPath('UserProfile'))"
-        Write-Host "  Local Components: agents, commands, output-styles, .codex, .gemini"
+        Write-Host "  Local Components: agents, commands, output-styles, .codex, .gemini, .qwen"
         Write-Host "  Global Components: workflows, scripts, python_script, etc."
     } else {
         Write-Host "  Path: $Path"
-        Write-Host "  Global Components: .claude, .codex, .gemini"
+        Write-Host "  Global Components: .claude, .codex, .gemini, .qwen"
     }
 
     if ($NoBackup) {
@@ -991,10 +1012,11 @@ function Show-Summary {
     Write-Host "1. Review CLAUDE.md - Customize guidelines for your project"
     Write-Host "2. Review .codex/Agent.md - Codex agent execution protocol"
     Write-Host "3. Review .gemini/CLAUDE.md - Gemini agent execution protocol"
-    Write-Host "4. Configure settings - Edit .claude/settings.local.json as needed"
-    Write-Host "5. Start using Claude Code with Agent workflow coordination!"
-    Write-Host "6. Use /workflow commands for task execution"
-    Write-Host "7. Use /update-memory commands for memory system management"
+    Write-Host "4. Review .qwen/QWEN.md - Qwen agent execution protocol"
+    Write-Host "5. Configure settings - Edit .claude/settings.local.json as needed"
+    Write-Host "6. Start using Claude Code with Agent workflow coordination!"
+    Write-Host "7. Use /workflow commands for task execution"
+    Write-Host "8. Use /update-memory commands for memory system management"
 
     Write-Host ""
     Write-ColorOutput "Documentation: https://github.com/catlog22/Claude-CCW" $ColorInfo