200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00g5l9ny 52ms POST /ai/v1/search {} Idempotency-Key: pLvia7Ymblx2 Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00g5l9ny 52ms POST /ai/v1/search {} Idempotency-Key: pLvia7Ymblx2 Send ▶