This one's a fast-follow to #423. The just-released iOS 26.0-beta1 runtime, when installed, reports its kind as "Patchable Crypex Disk Image".

I also added an enum case to the runtime API endpoint's contentType, though I don't think that's strictly necessary—the API still parses fine as-is (i.e. the 26.0b1 runtimes are parsed as cryptexDiskImage)