200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_0137qx3h 74ms POST /ai/v1/search {} Idempotency-Key: e1MfD9a-4fBy Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_0137qx3h 74ms POST /ai/v1/search {} Idempotency-Key: e1MfD9a-4fBy Send ▶