contact-hook: add /synced scry
==
::
++ on-leave on-leave:def
- ++ on-peek on-peek:def
+ ++ on-peek
+ |= =path
+ ^- (unit (unit cage))
+ ?. ?=([%x %synced ~] path)
+ (on-peek:def path)
+ ``noun+!>(~(key by synced))
+ ::
++ on-arvo on-arvo:def
++ on-fail on-fail:def
--
