Add UART SET_LOG_LEVEL for runtime master ESP-IDF logging.

Expose the command via goTool CLI/REST and dashboard controls so log verbosity can be tuned without reflashing.

Co-authored-by: Cursor <cursoragent@cursor.com>

main/cmd/cmd_handler.c

@@ -59,6 +59,8 @@ static const char *message_type_name(uint16_t id) {
     return "CACHE_STATUS";
   case alox_MessageType_ESPNOW_ECHO_PING:
     return "ESPNOW_ECHO_PING";
+  case alox_MessageType_SET_LOG_LEVEL:
+    return "SET_LOG_LEVEL";
   default:
     return "UNKNOWN";
   }