200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_012nnm8f 21ms POST /ai/v1/search {} Idempotency-Key: W4iNnL5x9cjM Send ▶> POST /ai/v1/session {}
< 200 OK req_012nnm8f 21ms POST /ai/v1/search {} Idempotency-Key: W4iNnL5x9cjM Send ▶