Memory in action: turn 1 vs turn 2

The utility LLM cost only shows up on turn 2, exactly when the pronoun "he" needs resolving

Turn 1: no history
bash — eva repl
you > who is kevin? Kevin Joan Delgado Pérez is a Robotics & Digital Systems engineer specialized in AI/ML and Data Science. He designs... route=normal · grade=answer score=0.668 · retries=0 util_cost=$0.000000 # no history → coref gate
coref fires + history exists
→ LLM rewrites query
Turn 2: coref triggered
bash — eva repl
you > what did he study? Kevin studied Robotics & Digital Systems engineering at ITESM. His core program covered distributed systems, applied AI... route=normal · grade=answer score=0.770 · retries=0 util_cost= # pronoun + history → coref # rewrites to "what did Kevin"