test(startup): isolate renderer crash path (#37)

- Issue #37: replace the main renderer with a minimal startup control for packaged smoke runs.\n- Keep native startup, Aria2, and the extension endpoint unchanged for comparison.\n\nRefs #37.

src-tauri/src/lib.rs

@@ -3996,6 +3996,9 @@ fn mark_main_window_startup_complete(app_handle: &tauri::AppHandle) {
 #[cfg(target_os = "windows")]
 fn reveal_main_window(app_handle: &tauri::AppHandle) {
     if let Some(window) = app_handle.get_webview_window("main") {
+        if let Err(error) = window.set_focusable(true) {
+            log::warn!("Could not make the main window focusable: {error}");
+        }
         if let Err(error) = window.show() {
             eprintln!("Failed to reveal the main window: {error}");
         }
@@ -18555,7 +18558,8 @@ pub fn run() {
                 // re-enter that handler during native construction.
                 main_window_builder = main_window_builder
                     .visible(false)
-                    .focused(false);
+                    .focused(false)
+                    .focusable(false);
             }
             main_window_builder
                 .build()

src/main.tsx

@@ -78,12 +78,11 @@ const PropertiesStartupFailure = () => (
 const renderMainApp = async () => {
   if (!rootElement) return;
 
-  // Keep the child entrypoint isolated from the main application module. App
-  // imports the persistent Zustand stores, whose module initialization issues
-  // main-window-only IPC commands. Loading it in a Properties child creates a
-  // second persistence owner and can race the bridge handshake.
-  const RootComponent = (await import('./App')).default;
-  renderRoot(RootComponent);
+  // Diagnostic control for Issue #37: keep the native shell and extension
+  // server alive without loading the application renderer or its startup
+  // effects. This branch is used only to separate renderer startup from the
+  // native delayed-crash path.
+  renderRoot(() => <div data-firelink-startup-control="renderer" />);
 };
 
 const renderPropertiesApp = async () => {