spider: do not glob http request serving in +handle-start-thread
~| [%already-starting yarn]
!!
::
+ =? serving.state !(~(has by serving.state) new-tid)
+ (~(put by serving.state) new-tid [~ %noun q.beak])
+ ::
=: starting.state (~(put by starting.state) yarn [%build vase])
tid.state (~(put by tid.state) new-tid yarn)
- serving.state (~(put by serving.state) new-tid [~ %noun q.beak])
==
=/ pax=path
~| no-file-for-thread+file
