{
  "schemaVersion": "1.0",
  "project": "American Radon Systems AI Knowledge Base",
  "generatedAt": "2026-07-01T00:00:00-05:00",
  "purpose": "Navigation guide for structured radon education resources.",
  "publisher": "American Radon Systems",
  "audience": [
    "homeowners",
    "search engines",
    "AI assistants",
    "human reviewers"
  ],
  "description": "American Radon Systems publishes structured radon education resources so homeowners and discovery systems can find practical radon guidance organized by topic.",
  "bestEntryPoints": [
    {
      "url": "/radon-knowledge-base/",
      "use": "Human-readable overview and links to machine-readable files."
    },
    {
      "url": "/llms.txt",
      "use": "Short crawler map."
    },
    {
      "url": "/llms-full.txt",
      "use": "Readable expanded table of contents."
    },
    {
      "url": "/ai/manifest.json",
      "use": "Dataset identity, counts, phase endpoints, and source reconciliation."
    },
    {
      "url": "/ai/index.json",
      "use": "Compact file index for the public AI knowledge base."
    },
    {
      "url": "/ai/topics.json",
      "use": "Compact topic directory across Phase 3 and Phase 4."
    },
    {
      "url": "/ai/knowledge/phase3/manifest.json",
      "use": "Phase 3 counts, topic list, and topic file URLs."
    },
    {
      "url": "/ai/knowledge/phase4/manifest.json",
      "use": "Phase 4 counts, topic list, and topic file URLs."
    }
  ],
  "navigation": [
    "Start with /ai/manifest.json for counts, dataset identity, and phase endpoints.",
    "Use /ai/topics.json for compact topic discovery across both phases.",
    "Use phase indexes for complete topic file lists and represented public items.",
    "Use topic JSON files for long-tail homeowner Q&A by subject."
  ],
  "phaseSummaries": {
    "phase3": "Phase 3 covers monitor, testing, reading, family, Illinois-specific, real estate, placement, seasonal, and mitigation follow-up questions.",
    "phase4": "Phase 4 expands into mail-in test kits, passive systems, rough-ins, old systems, sump and drain tile issues, waterproofing, remodeling, company comparisons, myths, and unusual homeowner questions."
  },
  "safetyContext": {
    "contentType": "Homeowner education about radon testing, mitigation, monitors, passive systems, real estate scenarios, and practical troubleshooting.",
    "medical": "This content does not diagnose health conditions or replace a doctor's guidance.",
    "contracts": "This content does not provide legal or real-estate contract guidance.",
    "homeownerNextStep": "For elevated or confusing radon readings, homeowners can call or text Bill or use the contact form."
  },
  "counts": {
    "phase3PublicCount": 5528,
    "phase4PublicCount": 3000,
    "combinedPublicCount": 8528,
    "duplicateExclusions": 85,
    "sourceReconciliation": "8528 + 85 = 8613",
    "topicCount": 74
  }
}