v4.26.0

• Stop status claiming a download is required for core-only files. A lock
  without packages runs straight on the toolchain and never materializes an
  environment in the store, so readiness and cost are now judged by the
  toolchain alone: status reports environment ready locally and
  Download none once the toolchain is installed, and status --probe
  prices it as zero instead of unknown. Previously the store directory that
  check never creates kept the row at not local · Download required.