200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_001aaciy 53ms POST /ai/v1/search {} Idempotency-Key: J_vx7h4cA6nh Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_001aaciy 53ms POST /ai/v1/search {} Idempotency-Key: J_vx7h4cA6nh Send ▶