200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_004yfjod 83ms POST /ai/v1/search {} Idempotency-Key: tRJA7YqsHMW_ Send ▶> POST /ai/v1/session {}
< 200 OK req_004yfjod 83ms POST /ai/v1/search {} Idempotency-Key: tRJA7YqsHMW_ Send ▶