Trace file bridge callbacks and use scoped VAD test logs

tools/chatgui/transport/utun_node.cpp

@@ -161,7 +161,7 @@ void UtunNode::runLoop() {
                 debug_level_t    lvl = debug_level_from_name(lvl_name);
                 if (cat != DEBUG_CATEGORY_NONE && lvl != DEBUG_LEVEL_NONE) {
                     g_debug_config.category_levels[cat] = lvl;
-                    DEBUG_DEBUG(DEBUG_CATEGORY_DEBUG, "debug category: %s=%s",
+                    DEBUG_DEBUG(DEBUG_CATEGORY_CONFIG, "debug category: %s=%s",
                                debug_get_category_name(cat),
                                lvl_name);
                 }