200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_003t4rgw 34ms POST /ai/v1/search {} Idempotency-Key: 4rsOhCpdpmvJ Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_003t4rgw 34ms POST /ai/v1/search {} Idempotency-Key: 4rsOhCpdpmvJ Send ▶