200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_00wn2vqc 31ms POST /ai/v1/search {} Idempotency-Key: 9Y2RrH_hU255 Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_00wn2vqc 31ms POST /ai/v1/search {} Idempotency-Key: 9Y2RrH_hU255 Send ▶