200 OK — session open
> POST /ai/v1/session {"source": "leonardo"}
< 200 OK req_001mzwk9 54ms POST /ai/v1/search {} Idempotency-Key: 1BlmrhURCbt- Send ▶> POST /ai/v1/session {"source": "leonardo"}
< 200 OK req_001mzwk9 54ms POST /ai/v1/search {} Idempotency-Key: 1BlmrhURCbt- Send ▶