根目录

{
  "capabilities": {
    "roots": {
      "listChanged": true
    }
  }
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "roots/list"
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "roots": [
      {
        "uri": "file:///home/user/projects/myproject",
        "name": "My Project"
      }
    ]
  }
}

{
  "jsonrpc": "2.0",
  "method": "notifications/roots/list_changed"
}

{
  "uri": "file:///home/user/projects/myproject",
  "name": "My Project"
}

[
  {
    "uri": "file:///home/user/repos/frontend",
    "name": "Frontend Repository"
  },
  {
    "uri": "file:///home/user/repos/backend",
    "name": "Backend Repository"
  }
]

{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32601,
    "message": "Roots not supported",
    "data": {
      "reason": "Client does not have roots capability"
    }
  }
}