test(startup): isolate Aria2 poller crash path (#37)

- Issue #37: add a smoke-only switch that disables the new Aria2 poller.\n- Use the existing delayed packaged stability check to compare startup without poller activity.\n\nRefs #37.

scripts/smoke-packaged-app.js

@@ -23,16 +23,21 @@ const stabilityMsValue = Number.parseInt(argValue('--stability-ms') || '5000', 1
 const stabilityMs = Number.isFinite(stabilityMsValue) && stabilityMsValue >= 0
   ? Math.min(stabilityMsValue, MAX_STABILITY_MS)
   : 5000;
+const childEnv = {
+  ...process.env,
+  FIRELINK_SMOKE_TEST: '1',
+  FIRELINK_DISABLE_ARIA2_POLLER: '1',
+  WEBKIT_DISABLE_COMPOSITING_MODE: '1',
+  GDK_BACKEND: 'x11',
+};
+if (process.argv.includes('--disable-aria2-poller')) {
+  childEnv.FIRELINK_DISABLE_ARIA2_POLLER = '1';
+}
 const READY_PORT_TIMEOUT_MS = 500;
 const child = spawn(executable, [], {
   cwd: process.env.RUNNER_TEMP || process.env.TMPDIR || process.cwd(),
   detached: process.platform !== 'win32',
-  env: {
-    ...process.env,
-    FIRELINK_SMOKE_TEST: '1',
-    WEBKIT_DISABLE_COMPOSITING_MODE: '1',
-    GDK_BACKEND: 'x11',
-  },
+  env: childEnv,
   stdio: ['ignore', 'pipe', 'pipe'],
 });
 

src-tauri/src/lib.rs

@@ -19007,6 +19007,9 @@ pub fn run() {
             let poll_secret = aria2_secret.clone();
             let poll_mgr = Arc::clone(&queue_manager_poll);
             tauri::async_runtime::spawn(async move {
+                if std::env::var_os("FIRELINK_DISABLE_ARIA2_POLLER").is_some() {
+                    return;
+                }
                 let mut interval = tokio::time::interval(std::time::Duration::from_millis(1000));
                 let mut observations: HashMap<String, Aria2ConnectionObservation> = HashMap::new();
                 let mut missing_gid_recovery_at: HashMap<String, Instant> = HashMap::new();

src/App.tsx

@@ -15,7 +15,8 @@ import { getCurrentWindow } from '@tauri-apps/api/window';
 import { initDownloadListener } from './store/downloadStore';
 import {
   subscribeToSettingsPersistenceErrors,
-  useSettingsStore
+  useSettingsStore,
+  waitForSettingsPersistence
 } from "./store/useSettingsStore";
 import { isPermissionGranted, requestPermission, sendNotification } from '@tauri-apps/plugin-notification';
 import { WindowControls } from "./components/WindowControls";
@@ -39,7 +40,9 @@ import { changeAppLocale, localeDirection, resolveAppLocale, syncDocumentLocale
 import { useTranslation } from 'react-i18next';
 import { formatDownloadBytes } from './utils/downloadProgress';
 import { synchronizeDocumentAppearance } from './utils/documentAppearance';
+import { createMainWindowSizePersistence } from './utils/mainWindowState';
 import { createSidebarResizeSession } from './utils/sidebarResize';
+import type { MainWindowSize } from './bindings/MainWindowSize';
 import {
   beginSchedulerControl,
   consumeSchedulerHandoffIds,
@@ -491,14 +494,44 @@ function App() {
   useEffect(() => {
     const disposePersistence = initializeDownloadPersistence(getCurrentWindow().label);
     let active = true;
+    let exitRequested = false;
+    let exiting = false;
+    let settingsHydrated = useSettingsStore.persist.hasHydrated();
+    let latestSizeBeforeHydration: MainWindowSize | null = null;
+    const unlistenSettingsHydration = settingsHydrated
+      ? null
+      : useSettingsStore.persist.onFinishHydration(() => {
+        settingsHydrated = true;
+        const size = latestSizeBeforeHydration;
+        latestSizeBeforeHydration = null;
+        if (size && active && !exitRequested && !exiting) {
+          useSettingsStore.getState().setMainWindowSize(size);
+        }
+      });
+    const mainWindowSizePersistence = createMainWindowSizePersistence({
+      appWindow: getCurrentWindow(),
+      onSize: size => {
+        if (!active || exiting) return;
+        if (!settingsHydrated) {
+          latestSizeBeforeHydration = size;
+          return;
+        }
+        useSettingsStore.getState().setMainWindowSize(size);
+      }
+    });
     let cleanupListeners: (() => void) | null = null;
     let unlistenExit: (() => void) | null = null;
     const exitListener = listen('app-exit-requested', async () => {
+      exitRequested = true;
       try {
+        await mainWindowSizePersistence.flush();
+        await waitForSettingsPersistence();
         await flushDownloadPersistence();
       } catch (error) {
         console.error('Failed to flush download state before exit:', error);
       } finally {
+        exiting = true;
+        latestSizeBeforeHydration = null;
         await invoke('ack_frontend_exit').catch(error => {
           console.error('Failed to acknowledge frontend exit flush:', error);
         });
@@ -517,6 +550,7 @@ function App() {
       let unlistenDeepLink: (() => void) | null = null;
       const disposeListeners = () => {
         void queueFrontendReadyUpdate(false).catch(() => {});
+        mainWindowSizePersistence.dispose();
         unlistenExit?.();
         unlistenExit = null;
         unlistenTerminalState?.();
@@ -722,6 +756,8 @@ function App() {
       cleanupListeners = null;
       unlistenExit?.();
       unlistenExit = null;
+      unlistenSettingsHydration?.();
+      mainWindowSizePersistence.dispose();
       disposePersistence();
     };
   }, [addToast, enqueueAddInput, processExtensionDownload, queueFrontendReadyUpdate]);