The pre-send best-practice report computed when an email was sent. score
is 0–10 (one decimal); band is a plain string
("excellent" | "good" | "needs_attention" | "at_risk", open to future values).
The pre-send best-practice report computed when an email was sent. score
is 0–10 (one decimal); band is a plain string
("excellent" | "good" | "needs_attention" | "at_risk", open to future values).