200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01dr4vbk 87ms POST /ai/v1/search {} Idempotency-Key: MsG1blmxEX32 Send ▶> POST /ai/v1/session {}
< 200 OK req_01dr4vbk 87ms POST /ai/v1/search {} Idempotency-Key: MsG1blmxEX32 Send ▶