feat: implement automatic memory and context search
maintenance: update version to 1.29.0
refactor: integrate knowledge store and fact extractor into assistant
feat: save user messages as facts to knowledge store
feat: update readme with tutorial overview and version requirements
docs: add python 3.13 modern features section to readme
docs: add installation instructions to readme
docs: add quick start guide to readme
docs: add aiohttp fundamentals section to readme
docs: add client sessions and connection management section to readme
docs: update changelog with version 1.26.0 release notes
