200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00rl2f9q 28ms POST /ai/v1/search {} Idempotency-Key: zVPv0ZL5w1PP Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00rl2f9q 28ms POST /ai/v1/search {} Idempotency-Key: zVPv0ZL5w1PP Send ▶