200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_018efgz7 62ms POST /ai/v1/search {} Idempotency-Key: sa1XO39Skl6p Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_018efgz7 62ms POST /ai/v1/search {} Idempotency-Key: sa1XO39Skl6p Send ▶