Deck
Role
Sharer

Inbox

Outbox

FollowerSet

Actor
    name      Text
    desc      Text
    createdAt UTCTime
    inbox     InboxId
    outbox    OutboxId
    followers FollowerSetId

    UniqueActorInbox     inbox
    UniqueActorOutbox    outbox
    UniqueActorFollowers followers

Repo
    vcs        VersionControlSystem
    project    DeckId               Maybe
    mainBranch Text
    collabUser RoleId               Maybe
    collabAnon RoleId               Maybe
    actor      ActorId
    desc       Text                 Maybe
    ident      RpIdent
    inbox      InboxId
    outbox     OutboxId
    followers  FollowerSetId
    sharer     SharerId

    UniqueRepo ident sharer
    UniqueRepoInbox inbox
    UniqueRepoOutbox outbox
    UniqueRepoFollowers followers