200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01j3z8ww 80ms POST /ai/v1/search {} Idempotency-Key: uxTmQAjW6X5e Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01j3z8ww 80ms POST /ai/v1/search {} Idempotency-Key: uxTmQAjW6X5e Send ▶