* Refactor ChatMessageStore methods to be similar to AIContextProvider
* Fix file encoding
* Ensure that AIContextProvider messages area also persisted.
* Update formatting and seal context classes
* Improve formatting
* Remove optional messages from constructor and add unit test
* Add ChatMessageStore filtering via a decorator
* Update sample and cosmos message store to store AIContextProvider messages in right order. Fix unit tests.
* Update Workflowmessage store to use aicontext provider messages.
* Apply suggestions from code review
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
* Apply suggestions from code review
Co-authored-by: SergeyMenshykh <68852919+SergeyMenshykh@users.noreply.github.com>
* Improve xml docs messaging
* Address code review comments.
* Also notify message store on failure
---------
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: SergeyMenshykh <68852919+SergeyMenshykh@users.noreply.github.com>
