Chat Memory - First class support in ChatClient #3071
Description
Support the chat memory as a first-class citizen in ChatClient, superseding the need for an Advisor to manage the chat memory. It also simplifies providing a conversationId. This feature lays the foundation for including the intermediate messages in tool calling in the memory as well, by executing the tool call loop within the ChatClient instead of ChatModel.
Some early experiments were done in #2803.