Get Favorite Threads

[  {    "id": "string",    "title": "string",    "source": "string",    "messages": 0,    "date": "string",    "is_favorite": false,    "created_at": "string",    "last_activity": "string"  }]

{  "detail": [    {      "loc": [        "string"      ],      "msg": "string",      "type": "string",      "input": null,      "ctx": {}    }  ]}