{
  "operation": "Record Trend Feedback Action and Update Preference Vector",
  "method": "POST",
  "path": "/api/alerts/feedback",
  "request": {
    "actorId": "string",
    "alertId": "string",
    "action": "topic_muted",
    "topic": "string",
    "niche": "string",
    "region": "string",
    "source": "string"
  },
  "response": {
    "message": "Feedback stored and vector updated"
  }
}