loadBalancer.setStrategy(LoadBalancingStrategy.WEIGHTED_RANDOM);
        when(mockChannelManager.getHealthyChannels()).thenReturn(Arrays.asList(channel1, channel2));

        // Test multiple selections to ensure it works
        for (int i = 0; i < 10; i++) {
            ChannelInfo selected = loadBalancer.selectChannel(mockMessage);
            assertTrue(Arrays.asList(channel1, channel2).contains(selected));
        }

        if (cpuPercent < threshold) {
            chain.doFilter(request, response);
            return;
        }

        if (logger.isInfoEnabled()) {
            logger.info("Rejecting request due to high CPU load: path={}, cpu={}%, threshold={}%", path, cpuPercent, threshold);
        }

        if (isApiPath) {
            sendApiResponse(httpResponse);
        } else {

 * </ul>
 *
 * <p>Repository validation ensures data integrity by:
 * <ul>
 *   <li>Preventing duplicate repositories that could cause confusion</li>
 *   <li>Rejecting null repository entries that would cause failures</li>
 *   <li>Maintaining consistent repository ordering for reproducible builds</li>
 * </ul>
 *
 * @since 4.0.0
 * @see RemoteRepository