v1.9.0

Minor Changes

• 05a3088 Add the unified cross-runtime distribution flow: planr setup, runtime adapter
  lifecycle management, pipeline routing, unified doctor diagnostics, exact
  runtime locks, and append-only planning provenance. The full
  planr-pipeline package is installed by default with --minimal as the
  planning-only escape hatch. Codex skills and Cursor rules now come from the
  shared portable registries, while migrations preserve hand-written content,
  back up exact bytes, retain shared user assets safely, and support conflict-safe
  rollback and removal.