One "一时说不好" no longer ends the interview. Plateau streaks use the
same sample floor. Delivery copy states why the range stopped.
Co-authored-by: Cursor <cursoragent@cursor.com>
deliveryCapability no longer ties adoption to minute separation or holdout;
those stay on the exact-minute confirmation gate so users can save a range.
Co-authored-by: Cursor <cursoragent@cursor.com>