- dev.frogspace.stacks.collection record a named collection of saved citations. items reference collections by their record AT-URI in the item's collections field. ordering is a client concern.
- dev.frogspace.stacks.item record citation record. the annotation author comes from the verified repo context. no subject content or snapshots are stored.
- dev.frogspace.stacks.library space declaration for a library of citations and personal annotations. membership is set when creating the space.
- dev.frogspace.stacks.query record a named saved query: a structured filter over the owner's saved citations, evaluated client-side. no free-text grammar.