Replace a request's reminder schedule

curl -X POST 'https://api.expiryedge.com/v1/updateCollectionRequestReminders' \
  -H "Authorization: Bearer $EXPIRYEDGE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "requestId": "req_9WkT",
  "reminders": [
    {
      "firestore_id": "rem_5Gh1",
      "amount": 3,
      "time_unit": "day",
      "time": "09:00"
    },
    {
      "amount": 1,
      "time_unit": "week",
      "time": "10:30"
    }
  ]
}'

{
  "message": "Reminder schedule updated",
  "updated": 1,
  "created": 1,
  "deleted": 0,
  "reminders": [
    {
      "id": "rem_5Gh1",
      "request_id": "req_9WkT",
      "organization_id": "org_northwind",
      "user_id": "u_71bXq",
      "amount": 3,
      "time_unit": "day",
      "period": "after",
      "time": "09:00",
      "timezone": "America/New_York",
      "reminder_date": "2026-09-30T14:05:00.000Z",
      "scheduled_at": "2026-09-30T13:00:00.000Z",
      "status": "pending",
      "sent_at": null,
      "error_message": null,
      "created_at": "2026-09-27T14:05:00.000Z",
      "updated_at": "2026-09-27T14:05:00.000Z"
    }
  ]
}