Validate optional platforms on POST bodies: trims strings, drops empties, full normalized snapshot. For PATCH, use parseDraftPlatformsPatchBody so fields like categoryUris: [] still reach mergeDraftPlatformsPatch and can clear stored values.
platforms
categoryUris: []
Validate optional
platformson POST bodies: trims strings, drops empties, full normalized snapshot. For PATCH, use parseDraftPlatformsPatchBody so fields likecategoryUris: []still reach mergeDraftPlatformsPatch and can clear stored values.