How does tool.website-audit classify 3xx redirects versus bot-blocked 403s?

{
  "capability": "tool.website-audit",
  "input": {
    "url": "https://www.github.com"
  },
  "steps": [
    {
      "tool": "normalize-url",
      "input": {
        "url": "https://www.github.com"
      },
      "output": {
        "origin": "https://www.github.com",
        "host": "www.github.com",
        "path": "/",
        "discarded_query": true
      }
    },
    {
      "tool": "web-fetch",
      "input": {
        "url": "https://www.github.com"
      },
      "output": {
        "ok": true,
        "status": 200,
        "type": "text/html",
        "host": "www.github.com",
        "discarded_body": true
      }
    },
    {
      "tool": "domain-shape",
      "input": {
        "host": "www.github.com"
      },
      "output": {
        "host": "www.github.com",
        "labels": ["www", "github", "com"],
        "tld": "com",
        "name": "github"
      }
    }
  ],
  "output": {
    "reachable": true,
    "status": 200,
    "content_type": "text/html",
    "host": "www.github.com",
    "domain_parts": ["www", "github", "com"],
    "redirect": {
      "observed": false,
      "note": "fetch layer follows redirects; only final status is observable with current tools"
    }
  }
}