# walk-plan-dependencies.rq
# -----------------------------------------------------------------------------
# Walk a plan's full dependency graph — every step, in the deterministic
# order Atlas built them, together with the artifact each one operates on.
#
# Parameters:
#   $plan — the plan's IRI (e.g. <https://atlas.naburis.cloud/plan/task_7f3a>)

PREFIX atlas: <https://atlas.naburis.cloud/ontology#>

SELECT ?step ?order ?artifact ?artifactName ?dependsOn
WHERE {
  $plan atlas:hasStep ?step .
  ?step atlas:stepOrder ?order ;
        atlas:involvesArtifact ?artifact .
  ?artifact atlas:artifactName ?artifactName .

  OPTIONAL {
    ?step atlas:dependsOnStep ?dependsOn .
  }
}
ORDER BY ?order