Release v1.4.6 with extraction resume safety and smoother runtime

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "real-debrid-downloader",
-  "version": "1.4.5",
+  "version": "1.4.6",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "real-debrid-downloader",
-      "version": "1.4.5",
+      "version": "1.4.6",
       "license": "MIT",
       "dependencies": {
         "adm-zip": "^0.5.16",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "real-debrid-downloader",
-  "version": "1.4.5",
+  "version": "1.4.6",
   "description": "Real-Debrid Downloader Desktop (Electron + React + TypeScript)",
   "main": "build/main/main/main.js",
   "author": "Sucukdeluxe",

src/main/download-manager.ts

@@ -175,6 +175,8 @@ export class DownloadManager extends EventEmitter {
 
   private packagePostProcessTasks = new Map<string, Promise<void>>();
 
+  private packagePostProcessAbortControllers = new Map<string, AbortController>();
+
   private reservedTargetPaths = new Map<string, string>();
 
   private claimedTargetPathByItem = new Map<string, string>();
@@ -189,6 +191,8 @@ export class DownloadManager extends EventEmitter {
 
   private lastSchedulerHeartbeatAt = 0;
 
+  private lastReconnectMarkAt = 0;
+
   public constructor(settings: AppSettings, session: SessionState, storagePaths: StoragePaths, options: DownloadManagerOptions = {}) {
     super();
     this.settings = settings;
@@ -435,6 +439,7 @@ export class DownloadManager extends EventEmitter {
 
   public clearAll(): void {
     this.stop();
+    this.abortPostProcessing("clear_all");
     this.session.packageOrder = [];
     this.session.packages = {};
     this.session.items = {};
@@ -446,6 +451,7 @@ export class DownloadManager extends EventEmitter {
     this.reservedTargetPaths.clear();
     this.claimedTargetPathByItem.clear();
     this.packagePostProcessTasks.clear();
+    this.packagePostProcessAbortControllers.clear();
     this.packagePostProcessQueue = Promise.resolve();
     this.summary = null;
     this.persistNow();
@@ -764,6 +770,9 @@ export class DownloadManager extends EventEmitter {
       if (!pkg || pkg.cancelled || pkg.status !== "completed") {
         continue;
       }
+      if (this.packagePostProcessTasks.has(packageId)) {
+        continue;
+      }
 
       const items = pkg.itemIds
         .map((itemId) => this.session.items[itemId])
@@ -995,6 +1004,7 @@ export class DownloadManager extends EventEmitter {
     this.session.summaryText = "";
     this.session.reconnectUntil = 0;
     this.session.reconnectReason = "";
+    this.lastReconnectMarkAt = 0;
     this.speedEvents = [];
     this.speedBytesLastWindow = 0;
     this.summary = null;
@@ -1008,6 +1018,7 @@ export class DownloadManager extends EventEmitter {
     this.session.paused = false;
     this.session.reconnectUntil = 0;
     this.session.reconnectReason = "";
+    this.abortPostProcessing("stop");
     for (const active of this.activeTasks.values()) {
       active.abortReason = "stop";
       active.abortController.abort("stop");
@@ -1022,6 +1033,7 @@ export class DownloadManager extends EventEmitter {
     this.session.paused = false;
     this.session.reconnectUntil = 0;
     this.session.reconnectReason = "";
+    this.abortPostProcessing("shutdown");
 
     let requeuedItems = 0;
     for (const active of this.activeTasks.values()) {
@@ -1050,6 +1062,18 @@ export class DownloadManager extends EventEmitter {
       }
     }
 
+    for (const item of Object.values(this.session.items)) {
+      if (item.status === "completed" && /^Entpacken/i.test(item.fullStatus || "")) {
+        item.fullStatus = "Entpacken abgebrochen (wird fortgesetzt)";
+        item.updatedAt = nowMs();
+        const pkg = this.session.packages[item.packageId];
+        if (pkg) {
+          pkg.status = pkg.enabled ? "queued" : "paused";
+          pkg.updatedAt = nowMs();
+        }
+      }
+    }
+
     this.speedEvents = [];
     this.speedBytesLastWindow = 0;
     this.runItemIds.clear();
@@ -1288,22 +1312,55 @@ export class DownloadManager extends EventEmitter {
     this.claimedTargetPathByItem.delete(itemId);
   }
 
+  private abortPostProcessing(reason: string): void {
+    for (const [packageId, controller] of this.packagePostProcessAbortControllers.entries()) {
+      if (!controller.signal.aborted) {
+        controller.abort(reason);
+      }
+
+      const pkg = this.session.packages[packageId];
+      if (!pkg) {
+        continue;
+      }
+
+      if (pkg.status === "extracting" || pkg.status === "integrity_check") {
+        pkg.status = pkg.enabled ? "queued" : "paused";
+        pkg.updatedAt = nowMs();
+      }
+
+      for (const itemId of pkg.itemIds) {
+        const item = this.session.items[itemId];
+        if (!item || item.status !== "completed") {
+          continue;
+        }
+        if (/^Entpacken/i.test(item.fullStatus || "")) {
+          item.fullStatus = "Entpacken abgebrochen (wird fortgesetzt)";
+          item.updatedAt = nowMs();
+        }
+      }
+    }
+  }
+
   private runPackagePostProcessing(packageId: string): Promise<void> {
     const existing = this.packagePostProcessTasks.get(packageId);
     if (existing) {
       return existing;
     }
 
+    const abortController = new AbortController();
+    this.packagePostProcessAbortControllers.set(packageId, abortController);
+
     const task = this.packagePostProcessQueue
       .catch(() => undefined)
       .then(async () => {
-        await this.handlePackagePostProcessing(packageId);
+        await this.handlePackagePostProcessing(packageId, abortController.signal);
       })
       .catch((error) => {
         logger.warn(`Post-Processing für Paket fehlgeschlagen: ${compactErrorText(error)}`);
       })
       .finally(() => {
         this.packagePostProcessTasks.delete(packageId);
+        this.packagePostProcessAbortControllers.delete(packageId);
         this.persistSoon();
         this.emitState();
       });
@@ -1393,8 +1450,15 @@ export class DownloadManager extends EventEmitter {
         }
 
         if (this.reconnectActive() && (this.nonResumableActive > 0 || this.activeTasks.size === 0)) {
-          this.markQueuedAsReconnectWait();
+          const markNow = nowMs();
-          await sleep(200);
+          if (markNow - this.lastReconnectMarkAt >= 900) {
+            this.lastReconnectMarkAt = markNow;
+            const changed = this.markQueuedAsReconnectWait();
+            if (!changed) {
+              this.emitState();
+            }
+          }
+          await sleep(220);
           continue;
         }
 
@@ -1431,6 +1495,7 @@ export class DownloadManager extends EventEmitter {
     const until = nowMs() + this.settings.reconnectWaitSeconds * 1000;
     this.session.reconnectUntil = Math.max(this.session.reconnectUntil, until);
     this.session.reconnectReason = reason;
+    this.lastReconnectMarkAt = 0;
 
     for (const active of this.activeTasks.values()) {
       if (active.resumable) {
@@ -1443,7 +1508,8 @@ export class DownloadManager extends EventEmitter {
     this.emitState();
   }
 
-  private markQueuedAsReconnectWait(): void {
+  private markQueuedAsReconnectWait(): boolean {
+    let changed = false;
     for (const item of Object.values(this.session.items)) {
       const pkg = this.session.packages[item.packageId];
       if (!pkg || pkg.cancelled || !pkg.enabled) {
@@ -1453,9 +1519,13 @@ export class DownloadManager extends EventEmitter {
         item.status = "reconnect_wait";
         item.fullStatus = `Reconnect-Wait (${Math.ceil((this.session.reconnectUntil - nowMs()) / 1000)}s)`;
         item.updatedAt = nowMs();
+        changed = true;
       }
     }
-    this.emitState();
+    if (changed) {
+      this.emitState();
+    }
+    return changed;
   }
 
   private findNextQueuedItem(): { packageId: string; itemId: string } | null {
@@ -1923,6 +1993,16 @@ export class DownloadManager extends EventEmitter {
         let written = writeMode === "a" ? existingBytes : 0;
         let windowBytes = 0;
         let windowStarted = nowMs();
+        const itemCount = Object.keys(this.session.items).length;
+        const uiUpdateIntervalMs = itemCount >= 1500
+          ? 650
+          : itemCount >= 700
+            ? 420
+            : itemCount >= 250
+              ? 280
+              : 170;
+        let lastUiEmitAt = 0;
+        let lastProgressPercent = item.progressPercent;
 
         const waitDrain = (): Promise<void> => new Promise((resolve, reject) => {
           const onDrain = (): void => {
@@ -2027,8 +2107,14 @@ export class DownloadManager extends EventEmitter {
             item.downloadedBytes = written;
             item.progressPercent = item.totalBytes ? Math.max(0, Math.min(100, Math.floor((written / item.totalBytes) * 100))) : 0;
             item.fullStatus = `Download läuft (${providerLabel(item.provider)})`;
-            item.updatedAt = nowMs();
+            const nowTick = nowMs();
-            this.emitState();
+            const progressChanged = item.progressPercent !== lastProgressPercent;
+            if (progressChanged || nowTick - lastUiEmitAt >= uiUpdateIntervalMs) {
+              item.updatedAt = nowTick;
+              this.emitState();
+              lastUiEmitAt = nowTick;
+              lastProgressPercent = item.progressPercent;
+            }
           }
         } finally {
           await new Promise<void>((resolve, reject) => {
@@ -2274,11 +2360,14 @@ export class DownloadManager extends EventEmitter {
     }
   }
 
-  private async handlePackagePostProcessing(packageId: string): Promise<void> {
+  private async handlePackagePostProcessing(packageId: string, signal?: AbortSignal): Promise<void> {
     const pkg = this.session.packages[packageId];
     if (!pkg || pkg.cancelled) {
       return;
     }
+    if (signal?.aborted) {
+      return;
+    }
     const items = pkg.itemIds.map((id) => this.session.items[id]).filter(Boolean) as DownloadItem[];
     const success = items.filter((item) => item.status === "completed").length;
     const failed = items.filter((item) => item.status === "failed").length;
@@ -2299,9 +2388,13 @@ export class DownloadManager extends EventEmitter {
       this.emitState();
 
       const updateExtractingStatus = (text: string): void => {
+        const updatedAt = nowMs();
         for (const entry of completedItems) {
+          if (entry.fullStatus === text) {
+            continue;
+          }
           entry.fullStatus = text;
-          entry.updatedAt = nowMs();
+          entry.updatedAt = updatedAt;
         }
       };
 
@@ -2317,10 +2410,19 @@ export class DownloadManager extends EventEmitter {
           removeLinks: this.settings.removeLinkFilesAfterExtract,
           removeSamples: this.settings.removeSamplesAfterExtract,
           passwordList: this.settings.archivePasswordList,
+          signal,
           onProgress: (progress) => {
             const label = progress.phase === "done"
               ? "Entpacken 100%"
-              : `Entpacken ${progress.percent}% (${progress.current}/${progress.total})`;
+              : (() => {
+                const archive = progress.archiveName ? ` · ${progress.archiveName}` : "";
+                const elapsed = progress.elapsedMs && progress.elapsedMs >= 1000
+                  ? ` · ${Math.floor(progress.elapsedMs / 1000)}s`
+                  : "";
+                const activeArchive = Number(progress.archivePercent ?? 0) > 0 ? 1 : 0;
+                const currentDisplay = Math.max(0, Math.min(progress.total, progress.current + activeArchive));
+                return `Entpacken ${progress.percent}% (${currentDisplay}/${progress.total})${archive}${elapsed}`;
+              })();
             updateExtractingStatus(label);
             this.emitState();
           }
@@ -2343,6 +2445,19 @@ export class DownloadManager extends EventEmitter {
           pkg.status = "completed";
         }
       } catch (error) {
+        const reasonRaw = String(error || "");
+        if (reasonRaw.includes("aborted:extract")) {
+          for (const entry of completedItems) {
+            if (/^Entpacken/i.test(entry.fullStatus || "")) {
+              entry.fullStatus = "Entpacken abgebrochen (wird fortgesetzt)";
+            }
+            entry.updatedAt = nowMs();
+          }
+          pkg.status = pkg.enabled ? "queued" : "paused";
+          pkg.updatedAt = nowMs();
+          logger.info(`Post-Processing Entpacken abgebrochen: pkg=${pkg.name}`);
+          return;
+        }
         const reason = compactErrorText(error);
         logger.error(`Post-Processing Entpacken Exception: pkg=${pkg.name}, reason=${reason}`);
         for (const entry of completedItems) {

src/main/extractor.ts

@@ -20,6 +20,7 @@ export interface ExtractOptions {
   removeLinks: boolean;
   removeSamples: boolean;
   passwordList?: string;
+  signal?: AbortSignal;
   onProgress?: (update: ExtractProgressUpdate) => void;
 }
 
@@ -28,9 +29,18 @@ export interface ExtractProgressUpdate {
   total: number;
   percent: number;
   archiveName: string;
+  archivePercent?: number;
+  elapsedMs?: number;
   phase: "extracting" | "done";
 }
 
+const MAX_EXTRACT_OUTPUT_BUFFER = 48 * 1024;
+const EXTRACT_PROGRESS_FILE = ".rd_extract_progress.json";
+
+type ExtractResumeState = {
+  completedArchives: string[];
+};
+
 function findArchiveCandidates(packageDir: string): string[] {
   const files = fs.readdirSync(packageDir, { withFileTypes: true })
     .filter((entry) => entry.isFile())
@@ -59,6 +69,77 @@ function cleanErrorText(text: string): string {
   return String(text || "").replace(/\s+/g, " ").trim().slice(0, 240);
 }
 
+function appendLimited(base: string, chunk: string, maxLen = MAX_EXTRACT_OUTPUT_BUFFER): string {
+  const next = `${base}${chunk}`;
+  if (next.length <= maxLen) {
+    return next;
+  }
+  return next.slice(next.length - maxLen);
+}
+
+function parseProgressPercent(chunk: string): number | null {
+  const text = String(chunk || "");
+  const regex = /(?:^|\D)(\d{1,3})%/g;
+  let match: RegExpExecArray | null = regex.exec(text);
+  let latest: number | null = null;
+  while (match) {
+    const value = Number(match[1]);
+    if (Number.isFinite(value) && value >= 0 && value <= 100) {
+      latest = value;
+    }
+    match = regex.exec(text);
+  }
+  return latest;
+}
+
+function shouldPreferExternalZip(archivePath: string): boolean {
+  try {
+    const stat = fs.statSync(archivePath);
+    return stat.size >= 64 * 1024 * 1024;
+  } catch {
+    return true;
+  }
+}
+
+function extractProgressFilePath(packageDir: string): string {
+  return path.join(packageDir, EXTRACT_PROGRESS_FILE);
+}
+
+function readExtractResumeState(packageDir: string): Set<string> {
+  const progressPath = extractProgressFilePath(packageDir);
+  if (!fs.existsSync(progressPath)) {
+    return new Set<string>();
+  }
+  try {
+    const payload = JSON.parse(fs.readFileSync(progressPath, "utf8")) as Partial<ExtractResumeState>;
+    const names = Array.isArray(payload.completedArchives) ? payload.completedArchives : [];
+    return new Set(names.map((value) => String(value || "").trim()).filter(Boolean));
+  } catch {
+    return new Set<string>();
+  }
+}
+
+function writeExtractResumeState(packageDir: string, completedArchives: Set<string>): void {
+  const progressPath = extractProgressFilePath(packageDir);
+  const payload: ExtractResumeState = {
+    completedArchives: Array.from(completedArchives).sort((a, b) => a.localeCompare(b))
+  };
+  fs.writeFileSync(progressPath, JSON.stringify(payload, null, 2), "utf8");
+}
+
+function clearExtractResumeState(packageDir: string): void {
+  try {
+    fs.rmSync(extractProgressFilePath(packageDir), { force: true });
+  } catch {
+    // ignore
+  }
+}
+
+function isExtractAbortError(errorText: string): boolean {
+  const text = String(errorText || "").toLowerCase();
+  return text.includes("aborted:extract") || text.includes("extract_aborted");
+}
+
 function archivePasswords(listInput: string): string[] {
   const custom = String(listInput || "")
     .split(/\r?\n/g)
@@ -109,48 +190,81 @@ function isNoExtractorError(errorText: string): boolean {
 type ExtractSpawnResult = {
   ok: boolean;
   missingCommand: boolean;
+  aborted: boolean;
   errorText: string;
 };
 
-function runExtractCommand(command: string, args: string[]): Promise<ExtractSpawnResult> {
+function runExtractCommand(
+  command: string,
+  args: string[],
+  onChunk?: (chunk: string) => void,
+  signal?: AbortSignal
+): Promise<ExtractSpawnResult> {
+  if (signal?.aborted) {
+    return Promise.resolve({ ok: false, missingCommand: false, aborted: true, errorText: "aborted:extract" });
+  }
+
   return new Promise((resolve) => {
     let settled = false;
     let output = "";
     const child = spawn(command, args, { windowsHide: true });
 
-    child.stdout.on("data", (chunk) => {
+    const finish = (result: ExtractSpawnResult): void => {
-      output += String(chunk || "");
-    });
-    child.stderr.on("data", (chunk) => {
-      output += String(chunk || "");
-    });
-
-    child.on("error", (error) => {
       if (settled) {
         return;
       }
       settled = true;
+      if (signal && onAbort) {
+        signal.removeEventListener("abort", onAbort);
+      }
+      resolve(result);
+    };
+
+    const onAbort = signal
+      ? (): void => {
+        try {
+          child.kill();
+        } catch {
+          // ignore
+        }
+        finish({ ok: false, missingCommand: false, aborted: true, errorText: "aborted:extract" });
+      }
+      : null;
+    if (signal && onAbort) {
+      signal.addEventListener("abort", onAbort, { once: true });
+    }
+
+    child.stdout.on("data", (chunk) => {
+      const text = String(chunk || "");
+      output = appendLimited(output, text);
+      onChunk?.(text);
+    });
+    child.stderr.on("data", (chunk) => {
+      const text = String(chunk || "");
+      output = appendLimited(output, text);
+      onChunk?.(text);
+    });
+
+    child.on("error", (error) => {
       const text = cleanErrorText(String(error));
-      resolve({
+      finish({
         ok: false,
         missingCommand: text.toLowerCase().includes("enoent"),
+        aborted: false,
         errorText: text
       });
     });
 
     child.on("close", (code) => {
-      if (settled) {
-        return;
-      }
-      settled = true;
       if (code === 0 || code === 1) {
-        resolve({ ok: true, missingCommand: false, errorText: "" });
+        finish({ ok: true, missingCommand: false, aborted: false, errorText: "" });
         return;
       }
       const cleaned = cleanErrorText(output);
-      resolve({
+      finish({
         ok: false,
         missingCommand: false,
+        aborted: false,
         errorText: cleaned || `Exit Code ${String(code ?? "?")}`
       });
     });
@@ -208,7 +322,9 @@ async function runExternalExtract(
   archivePath: string,
   targetDir: string,
   conflictMode: ConflictMode,
-  passwordCandidates: string[]
+  passwordCandidates: string[],
+  onArchiveProgress?: (percent: number) => void,
+  signal?: AbortSignal
 ): Promise<void> {
   const command = await resolveExtractorCommand();
   const passwords = passwordCandidates;
@@ -216,13 +332,35 @@ async function runExternalExtract(
 
   fs.mkdirSync(targetDir, { recursive: true });
 
+  let announcedStart = false;
+  let bestPercent = 0;
+
   for (const password of passwords) {
+    if (signal?.aborted) {
+      throw new Error("aborted:extract");
+    }
+    if (!announcedStart) {
+      announcedStart = true;
+      onArchiveProgress?.(0);
+    }
     const args = buildExternalExtractArgs(command, archivePath, targetDir, conflictMode, password);
-    const result = await runExtractCommand(command, args);
+    const result = await runExtractCommand(command, args, (chunk) => {
+      const parsed = parseProgressPercent(chunk);
+      if (parsed === null || parsed <= bestPercent) {
+        return;
+      }
+      bestPercent = parsed;
+      onArchiveProgress?.(bestPercent);
+    }, signal);
     if (result.ok) {
+      onArchiveProgress?.(100);
       return;
     }
 
+    if (result.aborted) {
+      throw new Error("aborted:extract");
+    }
+
     if (result.missingCommand) {
       resolvedExtractorCommand = null;
       resolveFailureReason = NO_EXTRACTOR_MESSAGE;
@@ -467,9 +605,14 @@ function removeEmptyDirectoryTree(rootDir: string): number {
 }
 
 export async function extractPackageArchives(options: ExtractOptions): Promise<{ extracted: number; failed: number; lastError: string }> {
+  if (options.signal?.aborted) {
+    throw new Error("aborted:extract");
+  }
+
   const candidates = findArchiveCandidates(options.packageDir);
   logger.info(`Entpacken gestartet: packageDir=${options.packageDir}, targetDir=${options.targetDir}, archives=${candidates.length}, cleanupMode=${options.cleanupMode}, conflictMode=${options.conflictMode}`);
   if (candidates.length === 0) {
+    clearExtractResumeState(options.packageDir);
     logger.info(`Entpacken übersprungen (keine Archive gefunden): ${options.packageDir}`);
     return { extracted: 0, failed: 0, lastError: "" };
   }
@@ -477,68 +620,148 @@ export async function extractPackageArchives(options: ExtractOptions): Promise<{
   const conflictMode = effectiveConflictMode(options.conflictMode);
   const passwordCandidates = archivePasswords(options.passwordList || "");
   const beforeFingerprint = captureDirFingerprint(options.targetDir);
-  let extracted = 0;
+  const resumeCompleted = readExtractResumeState(options.packageDir);
+  const resumeCompletedAtStart = resumeCompleted.size;
+  const candidateNames = new Set(candidates.map((archivePath) => path.basename(archivePath)));
+  for (const archiveName of Array.from(resumeCompleted.values())) {
+    if (!candidateNames.has(archiveName)) {
+      resumeCompleted.delete(archiveName);
+    }
+  }
+  if (resumeCompleted.size > 0) {
+    writeExtractResumeState(options.packageDir, resumeCompleted);
+  } else {
+    clearExtractResumeState(options.packageDir);
+  }
+
+  const pendingCandidates = candidates.filter((archivePath) => !resumeCompleted.has(path.basename(archivePath)));
+  let extracted = resumeCompleted.size;
   let failed = 0;
   let lastError = "";
-  const extractedArchives: string[] = [];
+  const extractedArchives = new Set<string>();
+  for (const archivePath of candidates) {
+    if (resumeCompleted.has(path.basename(archivePath))) {
+      extractedArchives.add(archivePath);
+    }
+  }
 
-  const emitProgress = (current: number, archiveName: string, phase: "extracting" | "done"): void => {
+  const emitProgress = (
+    current: number,
+    archiveName: string,
+    phase: "extracting" | "done",
+    archivePercent?: number,
+    elapsedMs?: number
+  ): void => {
     if (!options.onProgress) {
       return;
     }
     const total = Math.max(1, candidates.length);
-    const percent = Math.max(0, Math.min(100, Math.floor((current / total) * 100)));
+    let percent = Math.max(0, Math.min(100, Math.floor((current / total) * 100)));
-    options.onProgress({ current, total, percent, archiveName, phase });
+    if (phase !== "done") {
+      const boundedCurrent = Math.max(0, Math.min(total, current));
+      const boundedArchivePercent = Math.max(0, Math.min(100, Number(archivePercent ?? 0)));
+      percent = Math.max(0, Math.min(100, Math.floor(((boundedCurrent + (boundedArchivePercent / 100)) / total) * 100)));
+    }
+    options.onProgress({
+      current,
+      total,
+      percent,
+      archiveName,
+      archivePercent,
+      elapsedMs,
+      phase
+    });
   };
 
-  emitProgress(0, "", "extracting");
+  emitProgress(extracted, "", "extracting");
 
-  for (const archivePath of candidates) {
+  for (const archivePath of pendingCandidates) {
+    if (options.signal?.aborted) {
+      throw new Error("aborted:extract");
+    }
     const archiveName = path.basename(archivePath);
-    emitProgress(extracted + failed, archiveName, "extracting");
+    const archiveStartedAt = Date.now();
+    let archivePercent = 0;
+    emitProgress(extracted + failed, archiveName, "extracting", archivePercent, 0);
+    const pulseTimer = setInterval(() => {
+      emitProgress(extracted + failed, archiveName, "extracting", archivePercent, Date.now() - archiveStartedAt);
+    }, 1100);
     logger.info(`Entpacke Archiv: ${path.basename(archivePath)} -> ${options.targetDir}`);
     try {
       const ext = path.extname(archivePath).toLowerCase();
       if (ext === ".zip") {
-        try {
+        const preferExternal = shouldPreferExternalZip(archivePath);
-          extractZipArchive(archivePath, options.targetDir, options.conflictMode);
+        if (preferExternal) {
-        } catch {
+          try {
-          await runExternalExtract(archivePath, options.targetDir, options.conflictMode, passwordCandidates);
+            await runExternalExtract(archivePath, options.targetDir, options.conflictMode, passwordCandidates, (value) => {
+              archivePercent = Math.max(archivePercent, value);
+              emitProgress(extracted + failed, archiveName, "extracting", archivePercent, Date.now() - archiveStartedAt);
+            }, options.signal);
+          } catch (error) {
+            if (isNoExtractorError(String(error))) {
+              extractZipArchive(archivePath, options.targetDir, options.conflictMode);
+            } else {
+              throw error;
+            }
+          }
+        } else {
+          try {
+            extractZipArchive(archivePath, options.targetDir, options.conflictMode);
+            archivePercent = 100;
+          } catch {
+            await runExternalExtract(archivePath, options.targetDir, options.conflictMode, passwordCandidates, (value) => {
+              archivePercent = Math.max(archivePercent, value);
+              emitProgress(extracted + failed, archiveName, "extracting", archivePercent, Date.now() - archiveStartedAt);
+            }, options.signal);
+          }
         }
       } else {
-        await runExternalExtract(archivePath, options.targetDir, options.conflictMode, passwordCandidates);
+        await runExternalExtract(archivePath, options.targetDir, options.conflictMode, passwordCandidates, (value) => {
+          archivePercent = Math.max(archivePercent, value);
+          emitProgress(extracted + failed, archiveName, "extracting", archivePercent, Date.now() - archiveStartedAt);
+        }, options.signal);
       }
       extracted += 1;
-      extractedArchives.push(archivePath);
+      extractedArchives.add(archivePath);
+      resumeCompleted.add(archiveName);
+      writeExtractResumeState(options.packageDir, resumeCompleted);
       logger.info(`Entpacken erfolgreich: ${path.basename(archivePath)}`);
-      emitProgress(extracted + failed, archiveName, "extracting");
+      archivePercent = 100;
+      emitProgress(extracted + failed, archiveName, "extracting", archivePercent, Date.now() - archiveStartedAt);
     } catch (error) {
       failed += 1;
       const errorText = String(error);
+      if (isExtractAbortError(errorText)) {
+        throw new Error("aborted:extract");
+      }
       lastError = errorText;
       logger.error(`Entpack-Fehler ${path.basename(archivePath)}: ${errorText}`);
-      emitProgress(extracted + failed, archiveName, "extracting");
+      emitProgress(extracted + failed, archiveName, "extracting", archivePercent, Date.now() - archiveStartedAt);
       if (isNoExtractorError(errorText)) {
         const remaining = candidates.length - (extracted + failed);
         if (remaining > 0) {
           failed += remaining;
-          emitProgress(candidates.length, archiveName, "extracting");
+          emitProgress(candidates.length, archiveName, "extracting", 0, Date.now() - archiveStartedAt);
         }
         break;
       }
+    } finally {
+      clearInterval(pulseTimer);
     }
   }
 
   if (extracted > 0) {
     const afterFingerprint = captureDirFingerprint(options.targetDir);
     const changedOutput = hasDirChanges(beforeFingerprint, afterFingerprint);
-    if (!changedOutput && conflictMode !== "skip") {
+    const hadResumeProgress = resumeCompletedAtStart > 0;
+    if (!changedOutput && conflictMode !== "skip" && !hadResumeProgress) {
       lastError = "Keine entpackten Dateien erkannt";
       failed += extracted;
       extracted = 0;
       logger.error(`Entpacken ohne neue Ausgabe erkannt: ${options.targetDir}. Cleanup wird NICHT ausgeführt.`);
     } else {
-      const removedArchives = cleanupArchives(extractedArchives, options.cleanupMode);
+      const cleanupSources = failed === 0 ? candidates : Array.from(extractedArchives.values());
+      const removedArchives = cleanupArchives(cleanupSources, options.cleanupMode);
       if (options.cleanupMode !== "none") {
         logger.info(`Archive-Cleanup abgeschlossen: ${removedArchives} Datei(en) entfernt`);
       }
@@ -551,6 +774,10 @@ export async function extractPackageArchives(options: ExtractOptions): Promise<{
         logger.info(`Sample-Cleanup: ${removedSamples.files} Datei(en), ${removedSamples.dirs} Ordner entfernt`);
       }
 
+      if (failed === 0 && resumeCompleted.size >= candidates.length) {
+        clearExtractResumeState(options.packageDir);
+      }
+
       if (options.cleanupMode === "delete" && !hasAnyFilesRecursive(options.packageDir)) {
         const removedDirs = removeEmptyDirectoryTree(options.packageDir);
         if (removedDirs > 0) {
@@ -568,6 +795,14 @@ export async function extractPackageArchives(options: ExtractOptions): Promise<{
     }
   }
 
+  if (failed > 0) {
+    if (resumeCompleted.size > 0) {
+      writeExtractResumeState(options.packageDir, resumeCompleted);
+    } else {
+      clearExtractResumeState(options.packageDir);
+    }
+  }
+
   emitProgress(candidates.length, "", "done");
 
   logger.info(`Entpacken beendet: extracted=${extracted}, failed=${failed}, targetDir=${options.targetDir}`);

src/renderer/App.tsx

@@ -1,4 +1,4 @@
-import { DragEvent, KeyboardEvent, ReactElement, useCallback, useDeferredValue, useEffect, useMemo, useRef, useState } from "react";
+import { DragEvent, KeyboardEvent, ReactElement, memo, useCallback, useDeferredValue, useEffect, useMemo, useRef, useState } from "react";
 import type {
   AppSettings,
   AppTheme,
@@ -97,6 +97,7 @@ export function App(): ReactElement {
   ]);
   const [activeCollectorTab, setActiveCollectorTab] = useState(collectorTabs[0].id);
   const activeCollectorTabRef = useRef(activeCollectorTab);
+  const activeTabRef = useRef<Tab>(tab);
   const draggedPackageIdRef = useRef<string | null>(null);
   const [collapsedPackages, setCollapsedPackages] = useState<Record<string, boolean>>({});
   const [downloadSearch, setDownloadSearch] = useState("");
@@ -114,6 +115,10 @@ export function App(): ReactElement {
     activeCollectorTabRef.current = activeCollectorTab;
   }, [activeCollectorTab]);
 
+  useEffect(() => {
+    activeTabRef.current = tab;
+  }, [tab]);
+
   useEffect(() => {
     settingsDirtyRef.current = settingsDirty;
   }, [settingsDirty]);
@@ -146,6 +151,22 @@ export function App(): ReactElement {
     unsubscribe = window.rd.onStateUpdate((state) => {
       latestStateRef.current = state;
       if (stateFlushTimerRef.current) { return; }
+
+      const itemCount = Object.keys(state.session.items).length;
+      let flushDelay = itemCount >= 1500
+        ? 850
+        : itemCount >= 700
+          ? 620
+          : itemCount >= 250
+            ? 420
+            : 180;
+      if (!state.session.running) {
+        flushDelay = Math.min(flushDelay, 260);
+      }
+      if (activeTabRef.current !== "downloads") {
+        flushDelay = Math.max(flushDelay, 320);
+      }
+
       stateFlushTimerRef.current = setTimeout(() => {
         stateFlushTimerRef.current = null;
         if (latestStateRef.current) {
@@ -156,7 +177,7 @@ export function App(): ReactElement {
           }
           latestStateRef.current = null;
         }
-      }, 220);
+      }, flushDelay);
     });
     unsubClipboard = window.rd.onClipboardDetected((links) => {
       showToast(`Zwischenablage: ${links.length} Link(s) erkannt`, 3000);
@@ -182,7 +203,7 @@ export function App(): ReactElement {
 
   const packages = useMemo(() => snapshot.session.packageOrder
     .map((id: string) => snapshot.session.packages[id])
-    .filter(Boolean), [snapshot]);
+    .filter(Boolean), [snapshot.session.packageOrder, snapshot.session.packages]);
 
   const packageOrderKey = useMemo(() => snapshot.session.packageOrder.join("|"), [snapshot.session.packageOrder]);
 
@@ -643,7 +664,7 @@ export function App(): ReactElement {
       }
     }
     return map;
-  }, [snapshot]);
+  }, [snapshot.session.items]);
 
   return (
     <div
@@ -1060,7 +1081,7 @@ interface PackageCardProps {
   onDragEnd: () => void;
 }
 
-function PackageCard({ pkg, items, packageSpeed, isFirst, isLast, isEditing, editingName, collapsed, onStartEdit, onFinishEdit, onEditChange, onToggleCollapse, onCancel, onMoveUp, onMoveDown, onToggle, onRemoveItem, onDragStart, onDrop, onDragEnd }: PackageCardProps): ReactElement {
+const PackageCard = memo(function PackageCard({ pkg, items, packageSpeed, isFirst, isLast, isEditing, editingName, collapsed, onStartEdit, onFinishEdit, onEditChange, onToggleCollapse, onCancel, onMoveUp, onMoveDown, onToggle, onRemoveItem, onDragStart, onDrop, onDragEnd }: PackageCardProps): ReactElement {
   const done = items.filter((item) => item.status === "completed").length;
   const failed = items.filter((item) => item.status === "failed").length;
   const cancelled = items.filter((item) => item.status === "cancelled").length;
@@ -1130,4 +1151,45 @@ function PackageCard({ pkg, items, packageSpeed, isFirst, isLast, isEditing, edi
       </table>}
     </article>
   );
-}
+}, (prev, next) => {
+  if (prev.pkg.id !== next.pkg.id) {
+    return false;
+  }
+  if (prev.pkg.updatedAt !== next.pkg.updatedAt
+    || prev.pkg.status !== next.pkg.status
+    || prev.pkg.enabled !== next.pkg.enabled
+    || prev.pkg.name !== next.pkg.name) {
+    return false;
+  }
+  if (prev.packageSpeed !== next.packageSpeed
+    || prev.isFirst !== next.isFirst
+    || prev.isLast !== next.isLast
+    || prev.isEditing !== next.isEditing
+    || prev.collapsed !== next.collapsed) {
+    return false;
+  }
+  if ((prev.isEditing || next.isEditing) && prev.editingName !== next.editingName) {
+    return false;
+  }
+  if (prev.items.length !== next.items.length) {
+    return false;
+  }
+  for (let index = 0; index < prev.items.length; index += 1) {
+    const a = prev.items[index];
+    const b = next.items[index];
+    if (!a || !b) {
+      return false;
+    }
+    if (a.id !== b.id
+      || a.updatedAt !== b.updatedAt
+      || a.status !== b.status
+      || a.progressPercent !== b.progressPercent
+      || a.speedBps !== b.speedBps
+      || a.retries !== b.retries
+      || a.provider !== b.provider
+      || a.fullStatus !== b.fullStatus) {
+      return false;
+    }
+  }
+  return true;
+});

tests/download-manager.test.ts

@@ -2807,6 +2807,69 @@ describe("download manager", () => {
     }
   });
 
+  it("marks extracting items as resumable extraction on shutdown", () => {
+    const root = fs.mkdtempSync(path.join(os.tmpdir(), "rd-dm-"));
+    tempDirs.push(root);
+
+    const session = emptySession();
+    const packageId = "extract-stop-pkg";
+    const itemId = "extract-stop-item";
+    const createdAt = Date.now() - 20_000;
+    const outputDir = path.join(root, "downloads", "extract-stop");
+    const extractDir = path.join(root, "extract", "extract-stop");
+
+    session.packageOrder = [packageId];
+    session.packages[packageId] = {
+      id: packageId,
+      name: "extract-stop",
+      outputDir,
+      extractDir,
+      status: "extracting",
+      itemIds: [itemId],
+      cancelled: false,
+      enabled: true,
+      createdAt,
+      updatedAt: createdAt
+    };
+    session.items[itemId] = {
+      id: itemId,
+      packageId,
+      url: "https://dummy/extract-stop",
+      provider: "realdebrid",
+      status: "completed",
+      retries: 0,
+      speedBps: 0,
+      downloadedBytes: 123,
+      totalBytes: 123,
+      progressPercent: 100,
+      fileName: "extract-stop.part01.rar",
+      targetPath: path.join(outputDir, "extract-stop.part01.rar"),
+      resumable: true,
+      attempts: 1,
+      lastError: "",
+      fullStatus: "Entpacken 40%",
+      createdAt,
+      updatedAt: createdAt
+    };
+
+    const manager = new DownloadManager(
+      {
+        ...defaultSettings(),
+        token: "rd-token",
+        outputDir: path.join(root, "downloads"),
+        extractDir: path.join(root, "extract"),
+        autoExtract: true
+      },
+      session,
+      createStoragePaths(path.join(root, "state"))
+    );
+
+    manager.prepareForShutdown();
+    const snapshot = manager.getSnapshot();
+    expect(snapshot.session.packages[packageId]?.status).toBe("queued");
+    expect(snapshot.session.items[itemId]?.fullStatus).toBe("Entpacken abgebrochen (wird fortgesetzt)");
+  });
+
   it("recovers pending extraction on startup for completed package", async () => {
     const root = fs.mkdtempSync(path.join(os.tmpdir(), "rd-dm-"));
     tempDirs.push(root);

tests/extractor.test.ts

@@ -274,4 +274,61 @@ describe("extractor", () => {
     expect(result.failed).toBe(1);
     expect(fs.existsSync(targetDir)).toBe(false);
   });
+
+  it("resumes extraction from persisted progress file", async () => {
+    const root = fs.mkdtempSync(path.join(os.tmpdir(), "rd-extract-"));
+    tempDirs.push(root);
+    const packageDir = path.join(root, "pkg");
+    const targetDir = path.join(root, "out");
+    fs.mkdirSync(packageDir, { recursive: true });
+
+    const zipA = new AdmZip();
+    zipA.addFile("a.txt", Buffer.from("a"));
+    zipA.writeZip(path.join(packageDir, "a.zip"));
+
+    const zipB = new AdmZip();
+    zipB.addFile("b.txt", Buffer.from("b"));
+    zipB.writeZip(path.join(packageDir, "b.zip"));
+
+    fs.writeFileSync(path.join(packageDir, ".rd_extract_progress.json"), JSON.stringify({ completedArchives: ["a.zip"] }), "utf8");
+
+    const result = await extractPackageArchives({
+      packageDir,
+      targetDir,
+      cleanupMode: "none",
+      conflictMode: "overwrite",
+      removeLinks: false,
+      removeSamples: false
+    });
+
+    expect(result.extracted).toBe(2);
+    expect(result.failed).toBe(0);
+    expect(fs.existsSync(path.join(targetDir, "b.txt"))).toBe(true);
+    expect(fs.existsSync(path.join(packageDir, ".rd_extract_progress.json"))).toBe(false);
+  });
+
+  it("aborts extraction immediately when abort signal is set", async () => {
+    const root = fs.mkdtempSync(path.join(os.tmpdir(), "rd-extract-"));
+    tempDirs.push(root);
+    const packageDir = path.join(root, "pkg");
+    const targetDir = path.join(root, "out");
+    fs.mkdirSync(packageDir, { recursive: true });
+
+    const zip = new AdmZip();
+    zip.addFile("file.txt", Buffer.from("x"));
+    zip.writeZip(path.join(packageDir, "file.zip"));
+
+    const controller = new AbortController();
+    controller.abort();
+
+    await expect(extractPackageArchives({
+      packageDir,
+      targetDir,
+      cleanupMode: "none",
+      conflictMode: "overwrite",
+      removeLinks: false,
+      removeSamples: false,
+      signal: controller.signal
+    })).rejects.toThrow("aborted:extract");
+  });
 });