200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_013wvgk2 88ms POST /ai/v1/search {} Idempotency-Key: _oqThXc6ZKbi Send ▶> POST /ai/v1/session {}
< 200 OK req_013wvgk2 88ms POST /ai/v1/search {} Idempotency-Key: _oqThXc6ZKbi Send ▶