fix: disable default menu browser reloads and implement Change Image workspace resetter

index.html

@@ -252,6 +252,10 @@
             <span class="label">Size</span>
             <span class="val" id="info-size">-</span>
           </div>
+          <button class="btn btn-secondary btn-sm w-full" id="btn-change-image" style="margin-top: 10px; border-color: rgba(255, 122, 0, 0.2) !important;">
+            <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"></path><polyline points="17 8 12 3 7 8"></polyline><line x1="12" y1="3" x2="12" y2="15"></line></svg>
+            <span style="font-size: 11px;">Yeni Görsel Yükle</span>
+          </button>
         </div>
       </section>
 

main.js

@@ -22,6 +22,7 @@ function createWindow() {
   });
 
   mainWindow.loadFile(path.join(__dirname, 'index.html'));
+  mainWindow.setMenu(null); // Disable default menu and browser shortcuts (F5, F11, Ctrl+F5) to act as a proper native application.
 
   // Open DevTools if running in dev (optional)
   // mainWindow.webContents.openDevTools();

renderer.js

@@ -69,6 +69,7 @@ const elements = {
   infoFilename: document.getElementById('info-filename'),
   infoResolution: document.getElementById('info-resolution'),
   infoSize: document.getElementById('info-size'),
+  btnChangeImage: document.getElementById('btn-change-image'),
   
   // Control Tower: AI Processor
   btnRemoveBg: document.getElementById('btn-remove-bg'),
@@ -147,6 +148,39 @@ function initWorkspace() {
       selectLocalImage();
     }
   });
+
+  // Change image button click
+  elements.btnChangeImage.addEventListener('click', resetWorkspaceToEmpty);
+}
+
+function resetWorkspaceToEmpty() {
+  currentImagePath = null;
+  originalFileName = '';
+  processedTempPath = null;
+  activeBgMode = 'transparent';
+  scaleX = 1;
+  scaleY = 1;
+
+  // Destroy cropper safely
+  if (cropper) {
+    cropper.destroy();
+    cropper = null;
+  }
+
+  // Restore drag drop state views
+  elements.editorContainer.classList.add('hidden');
+  elements.dropzone.classList.remove('hidden');
+  
+  elements.infoCardLoaded.classList.add('hidden');
+  elements.infoCardEmpty.classList.remove('hidden');
+
+  // Disable processing button until a new file is loaded
+  elements.btnRemoveBg.disabled = true;
+
+  // Clear background customizations
+  resetBgSettings();
+
+  showToast("Image Changed", "Workspace cleared. You can now load a new image.", "info");
 }
 
 // --- PYTHON VENV INSTALLER ENGINE ---