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

@@ -3993,6 +3993,18 @@ 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}");
+        }
+    }
+}
+
 fn restore_pending_main_window(app_handle: &tauri::AppHandle) {
     if app_handle
         .try_state::<MainWindowRestoreState>()
@@ -18188,12 +18200,9 @@ fn toggle_log_pause(caller: tauri::WebviewWindow, pause: bool) -> Result<(), Str
 }
 
 #[tauri::command]
-fn is_log_paused() -> bool {
-    // This read is needed during renderer bootstrap, including by standalone
-    // Properties windows. Avoid extracting a WebviewWindow here: on Windows,
-    // WebView2 can invoke the command while its host is still initializing.
-    // Mutating logging commands remain restricted to the main window below.
-    LOG_PAUSED.load(std::sync::atomic::Ordering::Relaxed)
+fn is_log_paused(caller: tauri::WebviewWindow) -> bool {
+    properties_window::ensure_main_window(&caller).is_ok()
+        && LOG_PAUSED.load(std::sync::atomic::Ordering::Relaxed)
 }
 
 #[tauri::command]
@@ -18541,6 +18550,17 @@ pub fn run() {
             main_window_builder = main_window_builder
                 .inner_size(startup_size.width as f64, startup_size.height as f64)
                 .prevent_overflow();
+            #[cfg(target_os = "windows")]
+            {
+                // Wry installs its parent WM_SETFOCUS handler while WebView2
+                // is still being initialized. Keep the host hidden and
+                // non-activatable until RunEvent::Ready so Windows cannot
+                // re-enter that handler during native construction.
+                main_window_builder = main_window_builder
+                    .visible(false)
+                    .focused(false)
+                    .focusable(false);
+            }
             main_window_builder
                 .build()
                 .map_err(|error| format!("failed to create main window: {error}"))?;
@@ -19878,6 +19898,9 @@ pub fn run() {
         .run(|app_handle, event| match event {
             tauri::RunEvent::Ready => {
                 mark_main_window_startup_complete(app_handle);
+                #[cfg(target_os = "windows")]
+                reveal_main_window(app_handle);
+                #[cfg(not(target_os = "windows"))]
                 restore_pending_main_window(app_handle);
             }
             #[cfg(target_os = "macos")]

src/main.tsx

@@ -10,12 +10,14 @@ import "./index.css";
 import { i18nReady } from "./i18n";
 import { ErrorBoundary } from "./components/ErrorBoundary";
 import { ToastProvider } from "./contexts/ToastContext";
-import { error as logError, warn as logWarn } from "./utils/logger";
+import { error as logError, warn as logWarn, initLogger } from "./utils/logger";
 import { getCurrentWindow } from '@tauri-apps/api/window';
 import { invokeCommand as invoke } from './ipc';
 
 const isPropertiesWindow = getCurrentWindow().label.startsWith('properties-');
 
+void initLogger();
+
 const serializeConsoleArguments = (values: unknown[]) => values.map(value => {
   if (value instanceof Error) return `${value.name}: ${value.message}\n${value.stack || ''}`;
   if (typeof value === 'string') return value;
@@ -76,12 +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 () => {