Finalized state 03 as defined per "Laundry List". https://drive.google.com/drive/folders/1Tov1s5tgsZHT9Aips64-91iA6G8EEfWM

Invite by email only with link to registration form.
Link SDash SmartFigures to SmartFigures published on SourceData
Linking to standard identifiers/controlled voc (‘normalization’): query webservices…
Search, indexing, inter-linking, navigating, connection to published literature/smartfigures
Public API & dev API keys
Commenting: image regions?
Nomination as top ranking by admin of a group (not so difficult. To be validated for real use, FavIcon)?
DOI assignment or permanent identifiers (UUID)
Multi-panel figure layout view?
More complete versioning: provide access to old versions of files?