The morning briefing's directory.
The people the principal hands work to, e.g. Ana (ops), Bo (finance).
The delivery (and feedback) channel as the worker sees it, e.g. #ceo-briefing.
OptionaleodDir?: stringThe end-of-day list's directory; required to run the end-of-day template.
OptionalmarketIntelDir?: stringThe market intel directory; required to run the market-intel template.
The organisation, e.g. Acme.
The executive the briefing serves.
The principal's IANA time zone (the dispatcher's dateTimeZone too).
Validate briefing template values, for
dispatchTaskFile'stemplateVars.