200 OK — session open
> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01xdkml3 37ms POST /ai/v1/search {} Idempotency-Key: u4eqf4mSy8YU Send ▶> POST /ai/v1/session {"source": "strawberry"}
< 200 OK req_01xdkml3 37ms POST /ai/v1/search {} Idempotency-Key: u4eqf4mSy8YU Send ▶