200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00j57sji 57ms POST /ai/v1/search {} Idempotency-Key: -VpuS7_8mcp1 Send ▶> POST /ai/v1/session {}
< 200 OK req_00j57sji 57ms POST /ai/v1/search {} Idempotency-Key: -VpuS7_8mcp1 Send ▶