Fix API port mismatch and improve error handling

static/script.js

@@ -1,6 +1,6 @@
 // Memory Module Detection QA Interface JavaScript
 
-const API_BASE_URL = 'http://localhost:5001';
+const API_BASE_URL = 'http://localhost:5002';
 let uploadedFile = null;
 
 // Initialize the application
@@ -288,8 +288,16 @@ async function testHardcodedImage() {
     showLoading('Testing hardcoded image...');
 
     try {
+        console.log(`Making request to: ${API_BASE_URL}/detect/hardcoded?confidence=0.8`);
         const response = await fetch(`${API_BASE_URL}/detect/hardcoded?confidence=0.8`);
+        console.log('Response status:', response.status);
+
+        if (!response.ok) {
+            throw new Error(`HTTP ${response.status}: ${response.statusText}`);
+        }
+
         const result = await response.json();
+        console.log('Response data:', result);
         hideLoading();
 
         if (result.success) {
@@ -299,6 +307,7 @@ async function testHardcodedImage() {
         }
     } catch (error) {
         hideLoading();
+        console.error('Hardcoded test error:', error);
         alert(`Error: ${error.message}`);
     }
 }