01· the margin
It reads along, and answers in the margin.
You write a promise you believe. HudHud answers next to it — anchored to that exact line, with evidence, not opinion.
Here it pulls the numbers from your own retention study to show why the sentence matters. Reply to the note and it becomes a thread, held right where the thought happened.
the margin is where thinking gets sharper —
before anything gets built
Working offline should feel like nothing happened.
Spaced sessions hold eleven points more at day ten — your own pilot, from vocab-retention.md. A lost offline session is that schedule broken. Nothing here is asking you to decide.
view-only · settled — evidence, not a control