Queue a direct message for a node that isn't reachable right now and a
session-long background loop delivers it when the recipient is next
heard — or at a scheduled local time ("next 07:00", "in 3 h", any
HH:MM). Each attempt is an ordinary chat send (it lands in the
conversation history with its ack state, exactly as if typed); failures
back off exponentially and, after the first shot, wait until the node
is heard again, so an absent node is never hammered on faith. One
attempt per pass keeps a backlog draining politely, and after five
unacknowledged tries the courier gives up and says so. Outcomes raise
Watchtower alerts, so the header's badge lights when an overnight
delivery finally lands.
The outbox persists in courier.json (a queued message must survive
restarts or the promise is hollow), a Mesh-section screen carries the
queueing flow, per-entry Send now / Cancel, and the finished history,
and a scripted `courier <node> <text…> [--at HH:MM]` queues without
transmitting anything.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Jean-Pierre MartineauandClaude Fable 5
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