graph: add permissioning for chat
-/- *post
+/- *post, met=metadata-store
|_ i=indexed-post
++ grow
|%
++ noun i
- :: ?(%no %writer)
- ++ notification-kind
::
+ ++ graph-permissions-add
+ |= vip=vip-metadata:met
+ ?+ index.p.i !!
+ [@ ~] [%yes %yes %no]
+ ==
+ ::
+ ++ graph-permissions-remove
+ |= vip=vip-metadata:met
+ ?+ index.p.i !!
+ [@ ~] [%self %self %no]
+ ==
+ ::
+ ++ notification-kind
?+ index.p.i ~
[@ ~] `[%message 0 %count %.n]
==
