200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_014bb09k 61ms POST /ai/v1/search {} Idempotency-Key: e-cscvaiwz9P Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_014bb09k 61ms POST /ai/v1/search {} Idempotency-Key: e-cscvaiwz9P Send ▶