Module outbox 

Outbox drain: push-error classification, single-message send, and outbox flush.

Functions

classify_push_error

Classifies a MAP push error into the appropriate outbox and message delivery states.

drain_outbox

Fetches all queued outbox entries and pushes each to the device, updating the store with the outcome.

is_fatal_anyhow

Returns true when any error in the chain is a fatal MAP transport error.

is_session_fatal

Returns true when e indicates the RFCOMM/OBEX transport has died and no further MAP operations will succeed on this session.

push_sms

Pushes an outgoing SMS to the device without recording it in the store.

send_sms

Records the outbound message in the store, pushes it to the device, and updates the outcome — all as a single atomic sequence.