fix: enable weekly storage cleanup

apps/desktop-client/src/main/bootstrap.ts

@@ -166,6 +166,7 @@ let loginWindow: ElectronBrowserWindow | null = null
 let settingsWindow: ElectronBrowserWindow | null = null
 let mainRendererContents: ElectronWebContents | null = null
 let quitReleaseInFlight = false
+let quitAfterSaasLogoutPromise: Promise<void> | null = null
 let mainWindowCreatePromise: Promise<ElectronBrowserWindow> | null = null
 let loginWindowCreatePromise: Promise<ElectronBrowserWindow> | null = null
 let settingsWindowCreatePromise: Promise<ElectronBrowserWindow> | null = null
@@ -516,6 +517,36 @@ function revealActiveWindowSafely(source: string): void {
   })
 }
 
+function timeout(ms: number): Promise<void> {
+  return new Promise((resolve) => setTimeout(resolve, ms))
+}
+
+function quitAfterClearingSaasSession(): void {
+  if (quitAfterSaasLogoutPromise) {
+    return
+  }
+
+  quitAfterSaasLogoutPromise = (async () => {
+    currentWindowMode = 'login'
+    persistWindowMode('login')
+
+    // Only clear the Shengxintui SaaS session. Bound media/AI account browser
+    // partitions are intentionally preserved so the same account can reuse them
+    // after signing in again.
+    await Promise.race([clearRendererDesktopSessions(), timeout(1000)])
+    await Promise.race([releaseRuntimeSession(), timeout(1500)])
+  })()
+    .catch((error) => {
+      console.warn('[desktop-main] quit after clearing saas session failed', {
+        message: error instanceof Error ? error.message : String(error),
+      })
+    })
+    .finally(() => {
+      quitReleaseInFlight = true
+      app.quit()
+    })
+}
+
 function windowFromIpcEvent(event: IpcMainInvokeEvent): ElectronBrowserWindow | null {
   const window = BrowserWindow.fromWebContents(event.sender)
   if (!window || window.isDestroyed()) {
@@ -1190,9 +1221,14 @@ if (!hasSingleInstanceLock) {
         mainRendererContents.send('desktop:runtime-invalidated', event)
       })
       await queueWindowModeSwitch(currentWindowMode)
-      initTray(() => {
-        revealActiveWindowSafely('tray')
-      })
+      initTray(
+        () => {
+          revealActiveWindowSafely('tray')
+        },
+        () => {
+          quitAfterClearingSaasSession()
+        },
+      )
       startDesktopHealthIndicator(() => currentMainWindow())
       queueDesktopDeepLink(extractDesktopDeepLink(process.argv))
       flushPendingDesktopDeepLinks()