修复link_lite.json bug

scripts/add_draft_to_hidden.ps1

@@ -84,8 +84,9 @@ foreach ($file in $files) {
                 continue
             }
             
-            # Save file using .NET method to ensure UTF8
-            [System.IO.File]::WriteAllText($file.FullName, $newContent, [System.Text.Encoding]::UTF8)
+            # Save file using .NET method to ensure UTF8 without BOM
+            $utf8NoBom = New-Object System.Text.UTF8Encoding $false
+            [System.IO.File]::WriteAllText($file.FullName, $newContent, $utf8NoBom)
             Write-Host "  -> Saved changes to $($file.Name)" -ForegroundColor Green
             $count++
         }