chat-cli: don't allow excessively small cli widths
==
::
?> ?=(%2 -.u.old)
- =. width.u.old (max 40 width.u.old)
u.old
:: +catch-up: process all chat-store state
::
::
++ set-width
|= w=@ud
- [~ state(width w)]
+ [~ state(width (max 40 w))]
:: +set-timezone: configure timestamp printing adjustment
::
++ set-timezone
