200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_019lqow2 46ms POST /ai/v1/search {} Idempotency-Key: 2ji5JArS67lw Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_019lqow2 46ms POST /ai/v1/search {} Idempotency-Key: 2ji5JArS67lw Send ▶