1{"responses":{"204":{"description":"Session terminated."},"401":{"description":"Unauthorized. The `/v1/mcp` endpoint requires `runtime.auth` to be configured. Configure an API key provider in your Spicepod and retry with credentials."},"403":{"description":"Forbidden. The `Host` header value is not in the `runtime.mcp.allowed_hosts` list."},"404":{"description":"Unknown or already-terminated `Mcp-Session-Id`."}}}