200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_007ga0oy 24ms POST /ai/v1/search {} Idempotency-Key: Q59_p1oRVkOn Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_007ga0oy 24ms POST /ai/v1/search {} Idempotency-Key: Q59_p1oRVkOn Send ▶