200 OK — session open
> POST /ai/v1/session {"source": "baliano"}
< 200 OK req_0040q9wu 26ms POST /ai/v1/search {} Idempotency-Key: gdAAm6MXI7-j Send ▶> POST /ai/v1/session {"source": "baliano"}
< 200 OK req_0040q9wu 26ms POST /ai/v1/search {} Idempotency-Key: gdAAm6MXI7-j Send ▶