200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01jhzk1b 63ms POST /ai/v1/search {} Idempotency-Key: z_m5F3lhCUC1 Send ▶> POST /ai/v1/session {}
< 200 OK req_01jhzk1b 63ms POST /ai/v1/search {} Idempotency-Key: z_m5F3lhCUC1 Send ▶