200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_004c47q9 20ms POST /ai/v1/search {} Idempotency-Key: Q4OuMh7gi1ny Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_004c47q9 20ms POST /ai/v1/search {} Idempotency-Key: Q4OuMh7gi1ny Send ▶