Function buildYoutubeImportUploadKey

buildYoutubeImportUploadKey(userId: string, youtubeVideoId: string): string
Builds an R2 staging key for a YouTube import upload, mirroring presign naming.
Parameters
- userId: string
  Owning user id.
- youtubeVideoId: string
  Source YouTube video id.
Returns string
Object key under temp/uploads/{userId}/....
- Defined in lib/youtube-import/run-import-job.ts:317