200 OK — session open
> POST /ai/v1/session {"source": "vision"}
< 200 OK req_003hgvo7 64ms POST /ai/v1/search {} Idempotency-Key: tRikfhJjjmN9 Send ▶> POST /ai/v1/session {"source": "vision"}
< 200 OK req_003hgvo7 64ms POST /ai/v1/search {} Idempotency-Key: tRikfhJjjmN9 Send ▶