200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01r79rs1 19ms POST /ai/v1/search {} Idempotency-Key: cmRWMo-9xMgS Send ▶> POST /ai/v1/session {}
< 200 OK req_01r79rs1 19ms POST /ai/v1/search {} Idempotency-Key: cmRWMo-9xMgS Send ▶