Fresh start - excluded large ROM JSON files

scripts/backup-zip.ps1

@@ -0,0 +1,10 @@
+$t = "C:\Users\admin\.clawdbot-backup-temp\clawd"
+$timestamp = Get-Date -Format "yyyy-MM-dd_HHmmss"
+$b = "P:\Clawdbot-Backups\backup_$timestamp.zip"
+
+Compress-Archive -Path "$t\*" -DestinationPath $b -Force
+$s = [math]::Round((Get-Item $b).Length / 1MB, 2)
+
+Write-Host "Backup complete: $b ($s MB)" -ForegroundColor Green
+
+Remove-Item -Recurse -Force "C:\Users\admin\.clawdbot-backup-temp" -ErrorAction SilentlyContinue