kiln: don't implicitly create syncs

Also silence some spurious errors.

bin/solid.pill

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:0b727bafa4d479d0cb6df411b7f414132a2c1d05fd415ec4d606cb43747dfc58
-size 16662916
+oid sha256:9210b8244f5cd76654c3e8546f77dfa88a500e14ba0e593ededef318fd9d0f32
+size 16948743

pkg/arvo/lib/hood/kiln.hoon

@@ -329,7 +329,10 @@
 ++  poke-syncs                                        ::  print sync config
   |=  ~
   =<  abet  %-  spam
-  :-  [%leaf "OTAs from {<ota>}"]
+  :-  :-  %leaf
+      ?~  ota
+        "OTAs disabled"
+      "OTAs from {<desk.u.ota>} on {<ship.u.ota>}"
   ?:  =(0 ~(wyt by syn))
     [%leaf "no syncs configured"]~
   %+  turn  ~(tap in ~(key by syn))
@@ -443,7 +446,8 @@
                         ?>(?=(%wake +<.sign-arvo) +>.sign-arvo)
       [%ota *]          abet:(take:update t.wire sign-arvo)
       *
-    ?+  +<.sign-arvo  ~|([%kiln-bad-take-card +<.sign-arvo wire] !!)
+    ?+    +<.sign-arvo
+        ((slog leaf+"kiln: strange card {<+<.sign-arvo wire>}" ~) abet)
       %done  %+  done  wire
              ?>(?=(%done +<.sign-arvo) +>.sign-arvo)
       %mere  %+  take-mere  wire
@@ -472,6 +476,8 @@
           her=(slav %p i.t.way)
           sud=(slav %tas i.t.t.way)
       ==
+  ?.  (~(has by syn) hos)
+    abet
   abet:abet:(mere:(auto hos) mes)
 ::
 ++  take-writ-find-ship                               ::
@@ -482,6 +488,8 @@
           her=(slav %p i.t.way)
           sud=(slav %tas i.t.t.way)
       ==
+  ?.  (~(has by syn) hos)
+    abet
   abet:abet:(take-find-ship:(auto hos) rot)
 ::
 ++  take-writ-sync                                    ::
@@ -492,6 +500,8 @@
           her=(slav %p i.t.way)
           sud=(slav %tas i.t.t.way)
       ==
+  ?.  (~(has by syn) hos)
+    abet
   abet:abet:(writ:(auto hos) rot)
 ::
 ++  take-wake-autocommit

pkg/arvo/sys/vane/clay.hoon

@@ -4365,7 +4365,9 @@
       ::
       %boon  !!
       %lost  !!
-      %writ  !!
+      %writ
+    %-  (slog leaf+"clay: strange writ (expected on upgrade to Fusion)" ~)
+    [~ ..^$]
   ::
       %done
     ?~  error=error.q.hin