200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_001belgv 75ms POST /ai/v1/search {} Idempotency-Key: b-m18mPPsWea Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_001belgv 75ms POST /ai/v1/search {} Idempotency-Key: b-m18mPPsWea Send ▶