200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00vhusd4 36ms POST /ai/v1/search {} Idempotency-Key: M_t0ptqEBjBT Send ▶> POST /ai/v1/session {}
< 200 OK req_00vhusd4 36ms POST /ai/v1/search {} Idempotency-Key: M_t0ptqEBjBT Send ▶