Registers ShippingServiceProvider (carrier config, driver/fulfillment bindings, Rates page override) and wires the shipping admin surface into CorePlugin: dynamic carrier dropdown on Shipping Method create/edit, a "Create Shipment" order action resolved generically by carrier, and a Pickup Manifests page for carriers that support manifest batching.
CorePlugin registered a "Lucent" navigation item pointing at /lucent
unconditionally, coupling the core package to a specific CMS that
consuming apps may not install.