200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_005l0kc1 83ms POST /ai/v1/search {} Idempotency-Key: EntMd8WzznRX Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_005l0kc1 83ms POST /ai/v1/search {} Idempotency-Key: EntMd8WzznRX Send ▶