curl --request GET \
  --url https://devtune.ai/api/v2/projects/{projectId}/content-gaps/list \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "contentGaps": [
      {
        "candidateKey": "<string>",
        "signalStrength": 123,
        "confidenceScore": 123,
        "freshnessScore": 123,
        "actionabilityScore": 123,
        "targetType": "<string>",
        "targetLabel": "<string>",
        "title": "<string>",
        "summary": "<string>",
        "signals": {
          "promptCount": 123,
          "primaryCitations": 123,
          "competitorCitations": 123,
          "thirdPartyCitations": 123,
          "primaryShare": 123,
          "dominanceRatio": 123,
          "averagePrimaryPosition": 123,
          "windowDays": 123
        },
        "evidence": {
          "examplePrompts": [
            {}
          ],
          "topCompetitors": [
            {}
          ],
          "topThirdPartySource": {},
          "sourceRefs": [
            {}
          ],
          "factCount": 123
        },
        "windowStart": "2023-12-25",
        "windowEnd": "2023-12-25"
      }
    ],
    "gaps": [
      {}
    ],
    "coverage": {
      "availableDays": 1,
      "dateFrom": "2023-12-25",
      "dateTo": "2023-12-25",
      "factMinDate": "2023-12-25",
      "factMaxDate": "2023-12-25",
      "isPartial": true
    },
    "emptyState": {
      "reason": "<string>",
      "message": "<string>"
    },
    "pagination": {
      "pageSize": 50,
      "cursor": "<string>",
      "nextCursor": "<string>",
      "hasMore": true
    },
    "window": {
      "days": 123,
      "dateFrom": "2023-12-25",
      "dateTo": "2023-12-25"
    }
  },
  "meta": {
    "timestamp": "2023-11-07T05:31:56Z",
    "projectId": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  }
}