This problem (context as code) is real, but for most individuals it’s not painful enough to paying for something or even setting up a thing.
I was having a similar product idea and quickly abandoned it after a demo ready.
Checkout https://memory.store/ (not affiliated). They target 2B users and focus more on centralized knowledge management for organizations, which I feel is more reasonable.
Thanks for the pointer. Memory.store seems to be capturing the context automatically. Segue is more a deliberate action. Some people want their AI to just remember. Some want to know exactly what crosses the boundary between tools. I am betting the second group exists and pays. You may be right that it is the smaller group. That is what the free tier is measuring.