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upstream_sync.ps1

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+# Sync from upstream to your fork
+
+# Detect default branch (main/master/etc)
+$branch = git symbolic-ref --short refs/remotes/origin/HEAD
+$branch = $branch -replace "origin/", ""
+
+Write-Host "Default branch detected: $branch" -ForegroundColor Yellow
+
+Write-Host "Fetching upstream..." -ForegroundColor Cyan
+git fetch upstream
+
+Write-Host "Checking out $branch..." -ForegroundColor Cyan
+git checkout $branch
+
+Write-Host "Merging upstream/$branch..." -ForegroundColor Cyan
+git merge upstream/$branch
+
+Write-Host "Pushing to origin..." -ForegroundColor Cyan
+git push origin $branch
+
+Write-Host "✅ Sync complete!" -ForegroundColor Green