feat(skill-sync): 扩展技能同步功能以支持多平台

更新技能同步功能，支持将项目中的技能同步到多个全局目录（Claude、Trae 和 Trae-CN）
修改同步脚本以处理多个目标目录，并添加相应的文档说明

skills/skill-sync/scripts/sync.ps1

@@ -2,27 +2,40 @@
 $ScriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
 $SkillDir = Split-Path -Parent $ScriptDir
 $ProjectSkillsDir = Split-Path -Parent $SkillDir
-$GlobalSkillsDir = Join-Path $HOME ".claude\skills"
 
-Write-Host "Syncing skills from $ProjectSkillsDir to $GlobalSkillsDir..." -ForegroundColor Cyan
+# Define global skills directories for different platforms
+$GlobalSkillsDirs = @(
+    @{ Name = "Claude"; Path = Join-Path $HOME ".claude\skills" }
+    @{ Name = "Trae"; Path = Join-Path $HOME ".trae\skills" }
+    @{ Name = "Trae-CN"; Path = Join-Path $HOME ".trae-cn\skills" }
+)
 
-if (-not (Test-Path $GlobalSkillsDir)) {
-    Write-Host "Global skills directory does not exist. Creating it..." -ForegroundColor Yellow
-    New-Item -ItemType Directory -Path $GlobalSkillsDir -Force
-}
+Write-Host "Syncing skills from $ProjectSkillsDir..." -ForegroundColor Cyan
 
 # Get all skill directories in the project
 $Skills = Get-ChildItem -Path $ProjectSkillsDir -Directory
 
-foreach ($Skill in $Skills) {
-    $SkillName = $Skill.Name
-    $TargetDir = Join-Path $GlobalSkillsDir $SkillName
+foreach ($DirConfig in $GlobalSkillsDirs) {
+    $PlatformName = $DirConfig.Name
+    $TargetBaseDir = $DirConfig.Path
     
-    Write-Host "Syncing skill: $SkillName..." -ForegroundColor Green
+    Write-Host "`nSyncing to $PlatformName skills directory: $TargetBaseDir..." -ForegroundColor Magenta
     
-    # Sync the skill directory
-    # Note: Copy-Item -Recurse -Force will overwrite existing files
-    Copy-Item -Path $Skill.FullName -Destination $GlobalSkillsDir -Recurse -Force
+    if (-not (Test-Path $TargetBaseDir)) {
+        Write-Host "$PlatformName skills directory does not exist. Creating it..." -ForegroundColor Yellow
+        New-Item -ItemType Directory -Path $TargetBaseDir -Force
+    }
+    
+    foreach ($Skill in $Skills) {
+        $SkillName = $Skill.Name
+        $TargetDir = Join-Path $TargetBaseDir $SkillName
+        
+        Write-Host "Syncing skill: $SkillName..." -ForegroundColor Green
+        
+        # Sync the skill directory
+        # Note: Copy-Item -Recurse -Force will overwrite existing files
+        Copy-Item -Path $Skill.FullName -Destination $TargetBaseDir -Recurse -Force
+    }
 }
 
-Write-Host "Sync completed successfully." -ForegroundColor Green
+Write-Host "`nSync completed successfully to all platforms!" -ForegroundColor Green