Get Session Graph Elements

{
  "engine": "workflow_blobhub",
  "command": "get_session_graph_elements",
  "session_id": "sess_001",
  "alias": "task_graph",
  "element_ids": ["task:1", "task:2", "e:1"]
}

{
  "elements": [
    {
      "element_id": "task:1",
      "type": "vertex",
      "labels": ["task"],
      "props": { "title": "Research", "status": "in_progress" },
      "rev": 2,
      "created_at": "2026-06-06T10:00:00.000000+00:00",
      "updated_at": "2026-06-06T10:00:01.000000+00:00",
      "user_id": "usr_001"
    },
    {
      "element_id": "task:2",
      "type": "vertex",
      "labels": ["task"],
      "props": { "title": "Write report", "status": "open" },
      "rev": 1,
      "created_at": "2026-06-06T10:00:00.000000+00:00",
      "updated_at": "2026-06-06T10:00:00.000000+00:00",
      "user_id": "usr_001"
    },
    {
      "element_id": "e:1",
      "type": "edge",
      "label": "depends_on",
      "from_id": "task:2",
      "to_id": "task:1",
      "props": {},
      "rev": 1,
      "created_at": "2026-06-06T10:00:00.000000+00:00",
      "updated_at": "2026-06-06T10:00:00.000000+00:00",
      "user_id": "usr_001"
    }
  ]
}