200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01cf8d28 23ms POST /ai/v1/search {} Idempotency-Key: Vt8vMN50gCB_ Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01cf8d28 23ms POST /ai/v1/search {} Idempotency-Key: Vt8vMN50gCB_ Send ▶