200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00m7s8ib 57ms POST /ai/v1/search {} Idempotency-Key: U6myO3Xr8J7z Send ▶> POST /ai/v1/session {}
< 200 OK req_00m7s8ib 57ms POST /ai/v1/search {} Idempotency-Key: U6myO3Xr8J7z Send ▶