What I usually save
I rarely save a whole conversation. Most of the time I bind the exact reply that made a concept click. That keeps the source precise enough to revisit later, without turning the workspace into a pile of generic summaries.
What I write in the note
I add a short anchor note in my own words. Usually it is not a full summary. It is closer to a reminder of what changed in my understanding, what became easier to explain, or why this reply was worth keeping in the first place.
How I return to the idea later
When the same topic comes back days later, I do not want to restart from zero. I reopen the workspace, follow the existing concept trail, and jump back to the original reply if I need the full context again. That makes the next learning session feel like a continuation instead of a fresh search.