200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01rmn4ak 34ms POST /ai/v1/search {} Idempotency-Key: Ksvj3-x711l9 Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01rmn4ak 34ms POST /ai/v1/search {} Idempotency-Key: Ksvj3-x711l9 Send ▶