Like in Anki. New, learning, mature, with a state machine.
Arguably, the first time a card is reviewed, "forgetting" should not adjust the FSRS parameters.
See:
A shorthand. Writing:
T: lithification
D: The process of turning loose sediment into rock.
Is equivalent to writing this:
Q: Define: lithification
A: The process of turning loose sediment into rock.
Q: Term for: The process of turning loose sediment into rock.
A: lithification
Right now the only way to see how a card renders is to run the drill command
and hope you see it first. Instead, there should be a preview command that
opens a web interface that lets you navigate the flashcards, either all of them,
or one deck at a time, and see how they render.