200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_011w5eyh 32ms POST /ai/v1/search {} Idempotency-Key: 7wEzK33h7jXR Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_011w5eyh 32ms POST /ai/v1/search {} Idempotency-Key: 7wEzK33h7jXR Send ▶