자동로깅 추가, usb port추가

ESP32_SerialLogger.ino

@@ -229,6 +229,8 @@ void setup() {
   Serial.printf("  RTC: %s | Time: %s\n",
     rtcStatus.available ? "OK" : "NO",
     rtcStatus.timeSynced ? "Valid" : "Pending");
+  Serial.printf("  AutoStart: %s\n",
+    sdAutoStart ? "ON (logging started)" : "OFF");
   Serial.println("============================================\n");
 }
 
@@ -244,12 +246,13 @@ void loop() {
     lastReport = millis();
     char timeBuf[24];
     getTimestamp(timeBuf, sizeof(timeBuf));
-    Serial.printf("[SYS] %s | Heap:%d | SD:%s | WS:%d | RTC:%s | STA:%s\n",
+    Serial.printf("[SYS] %s | Heap:%d | SD:%s | WS:%d | RTC:%s | STA:%s | Auto:%s\n",
       timeBuf,
       ESP.getFreeHeap(),
       sdCardPresent() ? "OK" : "FAIL",
       webSocket.connectedClients(),
       rtcStatus.available ? "OK" : "NO",
-      staConnected ? "ON" : "OFF");
+      staConnected ? "ON" : "OFF",
+      sdAutoStart ? "ON" : "OFF");
   }
 }