Evidence & Context
GROUNDED INPUT
Original mission, old contract, new contract,
and authoritative provider semantics.
ORIGINAL MISSION
Check shipment TRACK-7001 and report whether
it shipped, the carrier, and estimated
delivery date.
PROVIDER MIGRATION
status=shipped
↔
result.state=in_transit
tracking
↔
shipment.tracking_id
carrier
↔
shipment.carrier_name
eta_date
↔
shipment.estimated_delivery