defer noteExecutingDelta(-1)
			served = true
			setResponseHeaders(classification, w)

			h.handler.ServeHTTP(w, r)
		}

		func() {
			handleCtx, cancelFn := h.newReqWaitCtxFn(ctx)
			defer cancelFn()
			h.fcIfc.Handle(handleCtx, digest, noteFn, estimateWork, queueNote, execute)
		}()
	}

	if !served {
		setResponseHeaders(classification, w)