update groupchat pokes to take a list of invitees

pkg/arvo/neo/cod/std/src/con/messenger-htmx.hoon

@@ -108,7 +108,7 @@
           ;span.hidden:  no dms
         ?:  (lte 3 (lent pith))  
           ;h1.hidden:  {<pith>}
-        =/  ship  +:;;([%p @p] `(list iota)`(rear pith))
+        =/  ship  +:;;([%p @p] (rear pith))
         ^-   manx
         ;a.br1.hover.b0.fr.jb.wf.border
         =href  "/neo/hawk{(pith-tape here.bowl)}{(pith-tape pith)}"

pkg/arvo/neo/cod/std/src/con/node-messenger-diff.hoon

@@ -17,12 +17,12 @@
 ::
     %new-groupchat
   =/  name  (vol:mu "name")
-    [head name]
+  [head name ~]
 ::
     %invite-to-groupchat
   ~&  >  (vol:mu "name")
   =/  name  (vol:mu "name")
-    =/  ship  `@p`(slav %p (vol:mu "ship"))
-    ~&  >>>  [head name ship]
-    [head name ship]
+  ::=/  ship  `@p`(slav %p (vol:mu "ship"))
+  ::~&  >>>  [head name ship]
+  [head name ~]
 ==

pkg/arvo/neo/cod/std/src/imp/groupchat.hoon

@@ -21,7 +21,6 @@
     ^-  (quip card:neo pail:neo)
     ::  default case: make new groupchat with self as only member,
     ::  and subscribe to that publisher
-    ::  XX - maybe move ordering is unpredictable here
     ?~  old
       :_  :-  %groupchat
           !>([(sy our.bowl ~) ~ here.bowl])

pkg/arvo/neo/cod/std/src/imp/messenger.hoon

@@ -2,6 +2,19 @@
 /@  groupchat-diff
 /@  messenger-diff
 ^-  kook:neo
+=>
+|%
+++  send-invites
+  |=  [invites=(set ship) location=pith]
+  %+  turn
+    ~(tap in invites)
+  |=  =ship
+  :-  location
+  =/  provider  ~[p/ship %home %messenger]
+  ~&  provider
+  [%poke groupchat-diff/!>([%invite ship provider])]
+--
+::
 |%
 ++  state  pro/%sig
 ++  poke  (sy %dm-diff %groupchat-diff %messenger-diff ~)
@@ -58,18 +71,17 @@
         ==
       ::
           %new-groupchat
+        =/  location  
+          (welp here.bowl ~[%groupchats p/our.bowl t/name.poke])
         :_  state
-        :~  :-  (welp here.bowl ~[%groupchats p/our.bowl t/name.poke])
-            [%make %groupchat ~ ~]
-        ==
+        :-  [location [%make %groupchat ~ ~]]
+        (send-invites invites.poke location)
       ::
           %invite-to-groupchat
-        =/  provider  ~[p/ship.poke %home %messenger]
-        ~&  provider 
+        =/  location  
+          (welp here.bowl ~[%groupchats p/our.bowl t/name.poke])
         :_  state
-        :~  :-  (welp here.bowl ~[%groupchats p/our.bowl t/name.poke])
-            [%poke groupchat-diff/!>([%invite ship.poke provider])]
-        ==
+        (send-invites invites.poke location)
       ==
     ==
   --

pkg/arvo/neo/cod/std/src/pro/messenger-diff.hoon

@@ -1,4 +1,4 @@
 $%  [%new-dm partner=ship]
-    [%new-groupchat name=@t]
-    [%invite-to-groupchat name=@t =ship]
+    [%new-groupchat name=@t invites=(set ship)]
+    [%invite-to-groupchat name=@t invites=(set ship)]
 ==