Official package bootstrap — registers transport, sensor, navigation, fleet, and domain provider stubs when official packages are installed.
bootstrap_default_providers() — default in-memory + stub transportsbootstrap_providers_for_packages() — project-scoped registration from lockfile/manifestpackages/registry/TransportAdapterProvider bridge for legacy TransportAdapter typesspanda-core::providers is a thin facade re-exporting this crate plus spanda_runtime::classification.