Make enums serialize as strings if using the reflection-based serializer.#473

eiriktsarpalis merged 5 commits intomodelcontextprotocol:mainmodelcontextprotocol/csharp-sdk:mainfrom

eiriktsarpalis:reflection-use-string-enumseiriktsarpalis/csharp-sdk:reflection-use-string-enumsCopy head branch name to clipboard