curl --request POST \
  --url https://apigcp.trynia.ai/v2/sources/{source_id}/annotations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "content": "<string>",
  "kind": "note"
}
'

{
  "source_id": "<string>",
  "trust_signals": {
    "trust_level": "medium",
    "trust_tier": "medium",
    "scope": "private",
    "is_global": false,
    "is_verified": false,
    "overlay_available": false,
    "annotation_count": 0
  },
  "overlay": {
    "summary": "<string>",
    "kind": "custom",
    "guidance": "<string>",
    "recommended_queries": [
      "<string>"
    ],
    "updated_at": "<string>"
  },
  "annotations": [
    {
      "id": "<string>",
      "content": "<string>",
      "kind": "note",
      "created_at": "<string>",
      "updated_at": "<string>"
    }
  ],
  "created_at": "<string>",
  "updated_at": "<string>"
}