fix(queue): preserve media terminal states

src/App.tsx

@@ -1,4 +1,4 @@
-import { initMediaDomains } from './utils/downloads';
+import { initMediaDomains, isActiveDownloadStatus } from './utils/downloads';
 import { useEffect, useRef, useState } from "react";
 import { Sidebar, SidebarFilter } from "./components/Sidebar";
 import { DownloadTable } from "./components/DownloadTable";
@@ -134,7 +134,7 @@ function App() {
   useEffect(() => {
     if (!schedulerRunning) return;
     const hasPendingScheduledWork = downloads.some(download =>
-      download.status === 'queued' || download.status === 'downloading'
+      isActiveDownloadStatus(download.status)
     );
     if (hasPendingScheduledWork) return;
 
@@ -209,26 +209,20 @@ function App() {
   useEffect(() => {
     initDownloadListener();
 
-    const unlistenComplete = listen('download-complete', (event) => {
+    const unlistenTerminalState = listen('download-state', (event) => {
+      if (event.payload.status !== 'completed' && event.payload.status !== 'failed') return;
       const settings = useSettingsStore.getState();
-      if (settings.showNotifications) {
-        const item = useDownloadStore.getState().downloads.find(d => d.id === event.payload);
-        const fileName = item?.fileName || 'A file';
-        
+      if (!settings.showNotifications) return;
+
+      const item = useDownloadStore.getState().downloads.find(d => d.id === event.payload.id);
+      const fileName = item?.fileName || 'A file';
+      if (event.payload.status === 'completed') {
         sendNotification({
           title: 'Download Complete',
           body: `${fileName} has finished downloading.`,
           sound: settings.playCompletionSound ? 'default' : undefined
         });
-      }
-    });
-
-    const unlistenFailed = listen('download-failed', (event) => {
-      const settings = useSettingsStore.getState();
-      if (settings.showNotifications) {
-        const item = useDownloadStore.getState().downloads.find(d => d.id === event.payload);
-        const fileName = item?.fileName || 'A file';
-        
+      } else {
         sendNotification({
           title: 'Download Failed',
           body: `${fileName} failed to download.`,
@@ -265,8 +259,7 @@ function App() {
 
     return () => {
       invoke('set_extension_frontend_ready', { ready: false }).catch(() => {});
-      unlistenComplete.then(f => f());
-      unlistenFailed.then(f => f());
+      unlistenTerminalState.then(f => f());
       unlistenExtension.then(f => f());
       unlistenExtensionQueued.then(f => f());
       unlistenDeepLink.then(f => f());

src/ipc.ts

@@ -4,6 +4,7 @@ import { listen as tauriListen, type Event, type EventCallback, type UnlistenFn
 import type { DownloadCategory } from './bindings/DownloadCategory';
 import type { DownloadItem } from './bindings/DownloadItem';
 import type { DownloadProgressEvent } from './bindings/DownloadProgressEvent';
+import type { DownloadStateEvent } from './bindings/DownloadStateEvent';
 import type { DownloadStatus } from './bindings/DownloadStatus';
 import type { ExtensionDownload } from './bindings/ExtensionDownload';
 import type { MediaCookieSource } from './bindings/MediaCookieSource';
@@ -123,6 +124,7 @@ export function invokeCommand<K extends CommandName>(
 type EventMap = {
   'schedule-trigger': 'start' | 'stop';
   'download-progress': DownloadProgressEvent;
+  'download-state': DownloadStateEvent;
   'download-complete': string;
   'download-failed': string;
   'extension-add-download': ExtensionDownload;

src/store/useDownloadStore.ts

@@ -10,6 +10,7 @@ import type { ExtensionDownload } from '../bindings/ExtensionDownload';
 import type { Queue } from '../bindings/Queue';
 import type { MediaMetadata } from '../bindings/MediaMetadata';
 import { useSettingsStore } from './useSettingsStore';
+import { isActiveDownloadStatus } from '../utils/downloads';
 
 export type { DownloadCategory } from '../utils/downloads';
 
@@ -533,10 +534,10 @@ export const useDownloadStore = create<DownloadState>((set, get) => ({
         downloads: downloads.length > 0 ? downloads : state.downloads
       }));
       
-      // Reset interrupted downloads (crashed while downloading/processing) to queued
+      // Reset interrupted active downloads to queued.
       set((state) => ({
         downloads: state.downloads.map(d =>
-          d.status === 'downloading' || d.status === 'processing'
+          isActiveDownloadStatus(d.status) && d.status !== 'queued'
             ? { ...d, status: 'queued' as const }
             : d
         )

src/utils/downloads.ts

@@ -1,4 +1,5 @@
 import type { DownloadCategory } from '../bindings/DownloadCategory';
+import type { DownloadStatus } from '../bindings/DownloadStatus';
 export type { DownloadCategory } from '../bindings/DownloadCategory';
 
 import { invoke } from '@tauri-apps/api/core';
@@ -19,6 +20,16 @@ let MEDIA_DOMAINS = [
   'fb.watch'
 ];
 
+const ACTIVE_DOWNLOAD_STATUSES: ReadonlySet<DownloadStatus> = new Set([
+  'queued',
+  'downloading',
+  'processing',
+  'retrying',
+]);
+
+export const isActiveDownloadStatus = (status: DownloadStatus): boolean =>
+  ACTIVE_DOWNLOAD_STATUSES.has(status);
+
 export const initMediaDomains = async () => {
   try {
     const domains = await invoke<string[]>('get_supported_media_domains');