200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01148vt1 59ms POST /ai/v1/search {} Idempotency-Key: uSZzYywOCA-_ Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01148vt1 59ms POST /ai/v1/search {} Idempotency-Key: uSZzYywOCA-_ Send ▶