{
  "context": "Tests adding a new node to an existing canvas while preserving existing content and avoiding ID collisions and spatial overlaps.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Valid JSON after modification",
      "description": "The resulting canvas JSON is syntactically valid with no parse errors",
      "max_score": 25
    },
    {
      "name": "New node has unique ID",
      "description": "The new Risks node has an id that does not match any existing node or edge ID in the original canvas",
      "max_score": 25
    },
    {
      "name": "New node does not overlap existing nodes",
      "description": "The new node position and dimensions do not spatially overlap either of the two existing nodes, with at least 50px spacing",
      "max_score": 25
    },
    {
      "name": "Existing nodes and edges preserved",
      "description": "All two original nodes and the original edge are still present and unchanged in the output",
      "max_score": 25
    }
  ]
}