200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_001obkdv 42ms POST /ai/v1/search {} Idempotency-Key: gH1F8QOTosvh Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_001obkdv 42ms POST /ai/v1/search {} Idempotency-Key: gH1F8QOTosvh Send ▶