200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01iq4nvq 75ms POST /ai/v1/search {} Idempotency-Key: j0rTlH1sqYV_ Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01iq4nvq 75ms POST /ai/v1/search {} Idempotency-Key: j0rTlH1sqYV_ Send ▶