Prepare runtime library loaders

Workflow runs for Prepare runtime library loaders

• fix: annotate installer state consumed by fetched shell helpers

  failed:
  Prepare runtime library loaders#2:Commitafc8d17pushedbyLIghtJUNction
  codex/official-installers-20260920

  Sep 20, 202637s
  More actions for workflow run 2

• test: add buffered runtime library loaders and regression coverage

  failed:
  Prepare runtime library loaders#1:Commit5a258b9pushedbyLIghtJUNction
  codex/official-installers-20260920

  Sep 20, 202628s
  More actions for workflow run 1