{
  "content": "...",
  "freshness_days": 5.2,
  "is_stale": false
}

curl -X PUT https://api.trygroundai.com/policy \
  -H "Authorization: Bearer gnd_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{
    "staleness_budget_seconds": 604800
  }'

curl -X PUT https://api.trygroundai.com/policy \
  -H "Authorization: Bearer gnd_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{
    "enforce_staleness": true
  }'

{
  "content": "...",
  "freshness_days": 45.2,
  "is_stale": true
}

{
  "staleness_summary": {
    "total_sources": 5,
    "fresh_sources": 4,
    "stale_sources": 1,
    "staleness_budget_days": 30,
    "stale_source_names": ["Old API Docs"]
  }
}

{
  "warnings": [
    "Results include sources stale beyond 30 day policy: Old API Docs"
  ]
}