200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_004wa3s1 89ms POST /ai/v1/search {} Idempotency-Key: THG4G5BdUfdi Send ▶> POST /ai/v1/session {}
< 200 OK req_004wa3s1 89ms POST /ai/v1/search {} Idempotency-Key: THG4G5BdUfdi Send ▶