200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_014w4wam 38ms POST /ai/v1/search {} Idempotency-Key: _q_7tKk-9LWN Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_014w4wam 38ms POST /ai/v1/search {} Idempotency-Key: _q_7tKk-9LWN Send ▶