200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_019uyzab 26ms POST /ai/v1/search {} Idempotency-Key: _z_0LvwCZ5o4 Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_019uyzab 26ms POST /ai/v1/search {} Idempotency-Key: _z_0LvwCZ5o4 Send ▶