200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00nz8ufj 89ms POST /ai/v1/search {} Idempotency-Key: 7lNhhfbSwua6 Send ▶> POST /ai/v1/session {}
< 200 OK req_00nz8ufj 89ms POST /ai/v1/search {} Idempotency-Key: 7lNhhfbSwua6 Send ▶