200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01b2ncjy 31ms POST /ai/v1/search {} Idempotency-Key: 57w1IhTNTBIv Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01b2ncjy 31ms POST /ai/v1/search {} Idempotency-Key: 57w1IhTNTBIv Send ▶