curl --request GET \
  --url https://api.open.cx/handoff-analytics \
  --header 'Authorization: Bearer <token>'

{
  "summary": "<string>",
  "total_handoffs": 123,
  "total_sessions": 123,
  "start_date": "<string>",
  "end_date": "<string>",
  "reasons": [
    {
      "count": 123,
      "percentage": 123
    }
  ],
  "reason_combinations": [
    {
      "reasons": [],
      "session_count": 123,
      "percentage": 123
    }
  ],
  "sentiments": [
    {
      "sentiment": "<string>",
      "count": 123,
      "percentage": 123
    }
  ],
  "trends": [
    {
      "date": "<string>",
      "count": 123
    }
  ],
  "knowledge_references": [
    {
      "id": "<string>",
      "count": 123
    }
  ],
  "tool_references": [
    {
      "id": "<string>",
      "count": 123
    }
  ],
  "instruction_references": [
    {
      "id": "<string>",
      "count": 123
    }
  ],
  "prohibited_topic_references": [
    {
      "id": "<string>",
      "count": 123
    }
  ]
}