from construct import ConstructError, Int32ul, PascalString, PrefixedArray, Struct as CStruct

MessageInChat = CStruct(
    "role" / PascalString(Int32ul, "utf8"),
    "content" / PascalString(Int32ul, "utf8"),
)

IncomingChatBatch = CStruct(
    "messages" / PrefixedArray(Int32ul, MessageInChat),
)