chat-hook: pull on store path when removing
:* [%give %kick ~[[%mailbox path.act]] ~]
[%give %fact [/synced]~ %chat-hook-update !>([%initial synced])]
(pull-wire u.ship [%mailbox path.act])
+ (pull-wire u.ship [%store path.act])
(pull-backlog-subscriptions u.ship path.act)
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