Update app.js

Author: rubensbraz

static/js/app.js

@@ -127,6 +127,30 @@ function updateUI(input) {
  * 4. Unlocks Configuration if successful.
  */
 async function performAnalysisSequence() {
+    // Environment Guard: Check for Static Demo (GitHub Pages)
+    // Since GitHub Pages only hosts static files, the backend API is unreachable
+    if (CONFIG.env.isGithubPages) {
+        Swal.fire({
+            icon: 'info',
+            title: 'Static Demo Mode',
+            html: `
+                <div class="text-left text-sm">
+                    <p class="mb-2">Backend processing is <strong>unavailable</strong> in this live preview.</p>
+                    <p>To run the full document generation engine:</p>
+                    <ul class="list-disc pl-5 mt-1 text-gray-400">
+                        <li>Clone the repository</li>
+                        <li>Run via Docker Compose</li>
+                    </ul>
+                </div>
+             `,
+            background: '#1e293b',
+            color: '#fff',
+            confirmButtonColor: '#3b82f6',
+            confirmButtonText: 'Understood'
+        });
+        return; // Halt execution immediately
+    }
+
     const fileExcel = document.getElementById('fileExcel').files[0];
     const fileTemplates = document.getElementById('fileTemplates').files;
 
@@ -376,30 +400,6 @@ async function generateSample() {
  * Permanently locks the Sample button during execution.
  */
 function startProcessing() {
-    // Environment Guard: Check for Static Demo (GitHub Pages)
-    // Since GitHub Pages only hosts static files, the backend API is unreachable
-    if (CONFIG.env.isGithubPages) {
-        Swal.fire({
-            icon: 'info',
-            title: 'Static Demo Mode',
-            html: `
-                <div class="text-left text-sm">
-                    <p class="mb-2">Backend processing is <strong>unavailable</strong> in this live preview.</p>
-                    <p>To run the full document generation engine:</p>
-                    <ul class="list-disc pl-5 mt-1 text-gray-400">
-                        <li>Clone the repository</li>
-                        <li>Run via Docker Compose</li>
-                    </ul>
-                </div>
-             `,
-            background: '#1e293b',
-            color: '#fff',
-            confirmButtonColor: '#3b82f6',
-            confirmButtonText: 'Understood'
-        });
-        return; // Halt execution immediately
-    }
-
     const params = validateInputs();
     if (!params) return;