curl --request GET \
  --url https://matcher.sandbox.lerian.net/v1/contexts/{contextId}/setup-progress \
  --header 'Authorization: Bearer <token>'

{
  "contextId": "<string>",
  "fieldMaps": {
    "mappedSources": 123
  },
  "lastRun": {
    "id": "<string>",
    "completedAt": "<string>"
  },
  "matchRules": {
    "total": 123
  },
  "readiness": {
    "missing": [
      "<string>"
    ],
    "ready": true
  },
  "schedules": {
    "total": 123
  },
  "sources": {
    "left": 123,
    "right": 123,
    "total": 123
  }
}