- Add batchDetectContainerTypes() helper function that uses pct list and qm list to detect all container types in 2 SSH calls per server
- Update getAllInstalledScripts to use batch detection instead of individual isVM() calls per script
- Update getInstalledScriptsByServer to use batch detection for single server
- Update database queries to include lxc_config relation for fallback detection
- Fix isVM() function to properly default to LXC when VM config doesn't exist
- Significantly improves performance: reduces from N SSH calls per script to 2 SSH calls per server