feat: enhance splash screen with Tauri plugin integration and improved error handling

Author: goosewobbler

fixtures/e2e-apps/tauri/splash.html

@@ -36,14 +36,29 @@ <h1>Tauri E2E Test App</h1>
     <p>Splash Screen</p>
     <button id="switch-main-window" class="switch-main-window">Continue</button>
   </div>
-  <script type="text/javascript">
+  
+  <!-- CRITICAL: Load plugin JS explicitly for Tauri v2 dynamic windows -->
+  <script type="module">
+    import '@wdio/tauri-plugin';
+    
+    // Debug: Verify plugin loaded
+    console.log('[Splash] wdioTauri available:', !!window.wdioTauri);
+    console.log('[Splash] __TAURI__ available:', !!window.__TAURI__);
+  </script>
+  
+  <script type="module">
     document.addEventListener('DOMContentLoaded', () => {
-      var btn = document.getElementById('switch-main-window');
+      const btn = document.getElementById('switch-main-window');
       if (!btn) return;
 
-      btn.addEventListener('click', () => {
-        if (window.__TAURI__ && window.__TAURI__.core && window.__TAURI__.core.invoke) {
-          window.__TAURI__.core.invoke('switch_to_main').catch((e) => {});
+      btn.addEventListener('click', async () => {
+        if (window.__TAURI__?.core?.invoke) {
+          try {
+            await window.__TAURI__.core.invoke('switch_to_main');
+            console.log('[Splash] switch_to_main invoked successfully');
+          } catch (e) {
+            console.error('[Splash] switch_to_main failed:', e);
+          }
         }
       });
     });