From f9dc8b0d57b3f6cd4300e06c78768f3c7bc6a409 Mon Sep 17 00:00:00 2001
From: wwartana <wartana.wyn@gmail.com>
Date: Sat, 13 Dec 2025 21:08:31 +0800
Subject: [PATCH] Berhasil & Stabil

---
 src/main.cpp | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/main.cpp b/src/main.cpp
index 2e6e286..05946bf 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -21,6 +21,7 @@
 #include <tcpip_adapter.h>
 #include <ArduinoOTA.h>
 #include <limits.h>
+#include <esp_task_wdt.h>
 
 #include <ArduinoJson.h>
 #include <DFRobotDFPlayerMini.h>
@@ -264,7 +265,19 @@ void broadcastStatus() {
 // Web server endpoints
 //////////////////////////////////////////////////////////////////////////
 void initWebServer() {
+  // Serve static files from LittleFS
   server.serveStatic("/", LittleFS, "/").setDefaultFile("index.html");
+  
+  // Add a catch-all handler for 404 errors to prevent file system errors
+  server.onNotFound([](AsyncWebServerRequest *request){
+    // Check if it's an API request that doesn't exist
+    if (request->url().startsWith("/api/")) {
+      request->send(404, "text/plain", "API endpoint not found");
+    } else {
+      // For non-API requests, try to serve the file
+      request->send(LittleFS, request->url(), "text/html");
+    }
+  });
 
   // settings page (no longer protected - has login form)
   server.on("/setting.html", HTTP_GET, [](AsyncWebServerRequest *req){
@@ -488,6 +501,10 @@ void resetAdminToDefault() {
 // Setup & Loop
 //////////////////////////////////////////////////////////////////////////
 void setup(){
+  // Initialize Task Watchdog Timer (TWDT) to prevent watchdog resets
+  esp_task_wdt_init(30, true); // 30 seconds timeout, panic on timeout
+  esp_task_wdt_add(NULL); // Add current task to watchdog
+  
   pinMode(STATUS_LED_PIN, OUTPUT);
   digitalWrite(STATUS_LED_PIN, LOW);
   pinMode(RELAY_PIN, OUTPUT);
@@ -682,5 +699,8 @@ void loop(){
     digitalWrite(BUZZER_PIN, LOW);
   }
 
+  // Reset Task Watchdog Timer to prevent timeout
+  esp_task_wdt_reset();
+  
   delay(10); // tiny yield
 }