How to build a cross sessions memory in claude chat?

Hi everyone, I’m coming from the Claude Code world and haven’t really used Claude Chat much before. I recently built a skill that I’ve been using personally for a few weeks. It’s not coding-related. One of its features is that it creates local Markdown files to summarize discussions and maintain a kind of ongoing memory. I packaged it as a plugin and added it to the Claude app, but then realized that the local files it creates don’t seem to persist or remain available across sessions. I’m really happy with