200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_017g5t49 50ms POST /ai/v1/search {} Idempotency-Key: cbCD1kDxA3XO Send ▶> POST /ai/v1/session {}
< 200 OK req_017g5t49 50ms POST /ai/v1/search {} Idempotency-Key: cbCD1kDxA3XO Send ▶