Lab B2 - 400 Validation error at #/data_sources/0/azure_search/parameters/role_information: Extra inputs are not permitted

When going thru the lab there seems to be an issue with the

defaultPrompt: async () => {
const template = await prompts.getPrompt('chat');
const skprompt = fs.readFileSync(path.join(__dirname, '..', 'prompts', 'chat', 'skprompt.txt'));

const dataSources = (template.config.completion as any)['data_sources'];

dataSources.forEach((dataSource: any) => {
  if (dataSource.type === 'azure_search') {
    dataSource.parameters.authentication.key = config.azureSearchKey;
    dataSource.parameters.endpoint = config.azureSearchEndpoint;
    dataSource.parameters.index_name = config.indexName;
    dataSource.parameters.embedding_dependency.deployment_name =
      config.azureOpenAIEmbeddingDeploymentName;
    dataSource.parameters.role_information = `${skprompt.toString('utf-8')}`;
  }
});

Start at the Lab B2 defaultPrompt implementation shown in the issue and inspect how prompts/chat/skprompt.txt is used to build the Azure Search data source. Reproduce the 400 validation error and compare the generated data_sources/0/azure_search/parameters object with the accepted schema. Done means the lab no longer sends the extra role_information input and validation succeeds.