curl -X POST "https://api.usegately.com/api/v1/discussions/disc_123/comments" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "content": "Great idea! +1 for this feature",
    "author_id": "user_456"
  }'

{
  "success": true,
  "comment": {
    "id": "comment_789",
    "discussion_id": "disc_123",
    "content": "Great idea! +1 for this feature",
    "author_id": "user_456",
    "created_at": "2024-01-15T11:00:00Z"
  }
}