Add Railiance Stage 1 run command

bin/railiance

@@ -17,6 +17,7 @@ Commands:
   cloudinit     Emit minimal cloud-init user-data
   init-repo     Idempotently furnish repo housekeeping
   create-overlay Scaffold a Railiance overlay repo for an upstream app
+  run           Run Stage 1 local validation from railiance/app.toml
   build-spore   Build a distributable "Spore" bundle
   seed-local    Run the seed script on this machine
   checklist     Pre-VM checklist
@@ -41,6 +42,7 @@ case "$cmd" in
   cloudinit) cat "$ROOT/cloudinit/user-data.yaml" ;;
   init-repo) bash "$ROOT/tools/furnish_railiance_repo.sh" ;;
   create-overlay) bash "$ROOT/tools/create_railiance_overlay_repo.sh" "$@" ;;
+  run) exec railiance-run "$@" ;;
   build-spore) bash "$ROOT/tools/build_spore.sh" ;;
   seed-local) bash "$ROOT/tools/seed_node.sh" ;;
   checklist)