Admin email surface with sub-modules for campaigns, templates, and inbox.
Routes live under /api/v1/admin/email-{campaigns,templates,inbox}/
and require an admin credential (msk_a_* / msk_p_* or admin JWT).
Sub-modules
Miosa.Email.Campaigns— Bulk email send-out lifecycleMiosa.Email.Templates— Reusable templates keyed by nameMiosa.Email.Inbox— Inbound and outbound direct messages