Update main.js

main.js

@@ -219,4 +219,37 @@ document.addEventListener('DOMContentLoaded', () => {
 
     // --- INITIALIZATION ---
     fetchPoisAndCreateAREntities();
+  // --- FINAL SYSTEM CHECK ---
+    const debugLog = document.getElementById('debug-log');
+    if (debugLog) {
+        let debugMessage = "--- FINAL SYSTEM CHECK ---\n\n";
+        let testsPassed = true;
+
+        // Test 1: Check for the settings button itself
+        if (document.getElementById('settingsBtn')) {
+            debugMessage += "✅ Test 1: Settings Button HTML (id='settingsBtn') was FOUND.\n";
+        } else {
+            debugMessage += "❌ Test 1: Settings Button HTML (id='settingsBtn') was NOT FOUND.\n";
+            testsPassed = false;
+        }
+
+        // Test 2: Check for the settings modal window
+        if (document.getElementById('settingsModal')) {
+            debugMessage += "✅ Test 2: Settings Modal HTML (id='settingsModal') was FOUND.\n";
+        } else {
+            debugMessage += "❌ Test 2: Settings Modal HTML (id='settingsModal') was NOT FOUND.\n";
+            testsPassed = false;
+        }
+        
+        // Display the final results
+        debugLog.textContent = debugMessage;
+        
+        if(testsPassed) {
+            debugLog.style.borderColor = 'green';
+            debugLog.style.color = 'green';
+            debugLog.style.backgroundColor = '#DFF2BF';
+            debugLog.textContent += "\nAll elements found. The button should be working.";
+        }
+    }
+    // --- END OF SYSTEM CHECK ---
 });