It's not clear to me at this point if there is any real 'schema definition' involved in this SDK. It may be the case that all communication with Cosmos is managed by the framework, including the shape of the data that's stored. Getting this SDK integrated and understanding how it works should be considered a dependency of #10, the 'Hello World' chatbot POC user story.
This seems like the tool we would use for this: https://github.com/Microsoft/BotBuilder-Azure
It's not clear to me at this point if there is any real 'schema definition' involved in this SDK. It may be the case that all communication with Cosmos is managed by the framework, including the shape of the data that's stored. Getting this SDK integrated and understanding how it works should be considered a dependency of #10, the 'Hello World' chatbot POC user story.