release: v3.3.50

lib/hosters.js

@@ -499,25 +499,28 @@ async function _resolveDoodstreamUploadByName(apiKey, fileName, baselineCodes, s
   return null;
 }
 
-async function uploadFile(hosterName, filePath, apiKey, onProgress, signal, throttle) {
+async function uploadFile(hosterName, filePath, apiKey, onProgress, signal, throttle, opts) {
   const config = HOSTER_CONFIGS[hosterName];
   if (!config) throw new Error(`Unbekannter Hoster: ${hosterName}`);
 
-  // For byse: snapshot the current file-code list so the post-upload poller
-  // can identify new arrivals even when the initial POST response has an
-  // empty filecode.
   let byseBaseline = null;
   if (hosterName === 'byse.sx') {
+    if (opts && opts.byseBaseline instanceof Set) {
+      byseBaseline = opts.byseBaseline;
+    } else {
       const baseline = await _fetchByseFileList(apiKey, signal);
       byseBaseline = new Set(baseline.map(f => f.file_code));
     }
-  // Doodstream: same snapshot so a codeless upload response can be recovered by
+  }
-  // matching a newly-appeared file in the account by name (see below).
   let doodBaseline = null;
   if (hosterName === 'doodstream.com') {
+    if (opts && opts.doodBaseline instanceof Set) {
+      doodBaseline = opts.doodBaseline;
+    } else {
       const baseline = await _fetchDoodstreamFileList(apiKey, signal);
       doodBaseline = new Set(baseline.map(f => f.file_code));
     }
+  }
 
   // Step 1: Get upload server
   const uploadUrl = await getUploadServer(hosterName, config, apiKey, signal);
@@ -647,8 +650,23 @@ async function uploadFile(hosterName, filePath, apiKey, onProgress, signal, thro
   throw new Error(msg);
 }
 
+async function prefetchBaseline(hosterName, apiKey, signal) {
+  try {
+    if (hosterName === 'byse.sx') {
+      const baseline = await _fetchByseFileList(apiKey, signal);
+      return new Set(baseline.map(f => f.file_code));
+    }
+    if (hosterName === 'doodstream.com') {
+      const baseline = await _fetchDoodstreamFileList(apiKey, signal);
+      return new Set(baseline.map(f => f.file_code));
+    }
+  } catch { /* leave caller to fall back to per-job fetch */ }
+  return null;
+}
+
 module.exports = {
   uploadFile,
+  prefetchBaseline,
   HOSTER_CONFIGS,
   __test: {
     extractUploadServerUrl,

lib/upload-manager.js

@@ -2,14 +2,14 @@ const { EventEmitter } = require('events');
 const path = require('path');
 const fs = require('fs');
 const crypto = require('crypto');
-const { uploadFile } = require('./hosters');
+const { uploadFile, prefetchBaseline } = require('./hosters');
 const VidmolyUploader = require('./vidmoly-upload');
 const VoeUploader = require('./voe-upload');
 const DoodstreamUploader = require('./doodstream-upload');
 const ClouddropUploader = require('./clouddrop-upload');
 const Semaphore = require('./semaphore');
 const Throttle = require('./throttle');
-const { probeFileHead, summarizeFileStat } = require('./file-probe');
+const { probeFileHead } = require('./file-probe');
 
 const DEFAULT_SETTINGS = {
   retries: 3,
@@ -42,6 +42,7 @@ class UploadManager extends EventEmitter {
     this._failedAccounts = new Map(); // hoster -> Set of failed accountIds
     this._accountOverrides = new Map(); // hoster -> fallback account object
     this._doodApiKeyCache = new Map(); // accountId/username -> derived doodstream API key ('' = tried, none)
+    this._baselineCache = new Map(); // hoster:apiKey -> Promise<Set<file_code>> (one fetch shared across all jobs in batch)
   }
 
   switchAccount(hoster, fallbackAccount) {
@@ -278,6 +279,7 @@ class UploadManager extends EventEmitter {
     this.jobAbortControllers.clear();
     this.cancelledJobIds.clear();
     this._doodApiKeyCache.clear(); // re-derive doodstream keys fresh each batch
+    this._baselineCache.clear(); // re-fetch baselines per batch (a long batch could outlast remote-side relevance)
     this.semaphores = {};
     this.globalSemaphore = null;
     this.globalThrottle = null;
@@ -308,18 +310,30 @@ class UploadManager extends EventEmitter {
     this._batchResults = results;
     this._additionalPromises = []; // Track jobs added mid-batch via addJobs()
 
-    for (const task of tasks) {
+    const DEDUP_CHUNK = 200;
-      const fileName = path.basename(task.file);
+    for (let i = 0; i < tasks.length; i += DEDUP_CHUNK) {
+      const end = Math.min(i + DEDUP_CHUNK, tasks.length);
+      for (let j = i; j < end; j++) {
+        const task = tasks[j];
         if (!results.has(task.file)) {
+          const fileName = path.basename(task.file);
           let size = 0;
           try { size = fs.statSync(task.file).size; } catch {}
           results.set(task.file, { name: fileName, size, results: [] });
         }
       }
+      if (end < tasks.length) await new Promise(setImmediate);
+    }
 
     this._startStatsTimer();
 
-    const promises = tasks.map((task) => this._runJob(task, results, signal));
+    const SPAWN_CHUNK = 100;
+    const promises = [];
+    for (let i = 0; i < tasks.length; i += SPAWN_CHUNK) {
+      const end = Math.min(i + SPAWN_CHUNK, tasks.length);
+      for (let j = i; j < end; j++) promises.push(this._runJob(tasks[j], results, signal));
+      if (end < tasks.length) await new Promise(setImmediate);
+    }
     await Promise.allSettled(promises);
     // Wait for any jobs added mid-batch via addJobs()
     while (this._additionalPromises.length > 0) {
@@ -355,7 +369,12 @@ class UploadManager extends EventEmitter {
     const fileName = path.basename(task.file);
     let fileSize = 0;
     let fileNotFound = false;
+    const cachedResult = results && results.get(task.file);
+    if (cachedResult && typeof cachedResult.size === 'number' && cachedResult.size > 0) {
+      fileSize = cachedResult.size;
+    } else {
       try { fileSize = fs.statSync(task.file).size; } catch { fileNotFound = true; }
+    }
 
     const maxAttempts = Math.max(1, (settings.retries || 0) + 1);
     const jobAbortController = new AbortController();
@@ -420,36 +439,30 @@ class UploadManager extends EventEmitter {
         return;
       }
 
-      this._emitProgress(uploadId, fileName, task.hoster, { accountId: task.accountId,
+      // The initial 'queued' emit per job is suppressed: with N=2000+ tasks
-        jobId,
+      // it produces 2000+ main→renderer IPCs back-to-back at startBatch and
-        status: 'queued',
+      // freezes the renderer event loop for tens of seconds. The renderer
-        progress: 0,
+      // already holds each job in 'queued'/'preview' state from its own
-        bytesUploaded: 0,
+      // queueJobs array; the first event it actually needs from main is the
-        bytesTotal: fileSize,
+      // 'getting-server' / 'uploading' transition for the jobs that the
-        speedKbs: 0,
+      // semaphore lets through.
-        elapsed: 0,
+      await hosterSemaphore.acquire(signal);
-        remaining: 0,
+      hosterSlotAcquired = true;
-        error: null,
-        result: null,
-        attempt: 0,
-        maxAttempts
-      });
 
-      const fileStat = summarizeFileStat(task.file);
+      let fileProbe = null;
-      const fileProbe = await probeFileHead(task.file, 64).catch((err) => ({ ok: false, error: err.message, kind: 'unreadable' }));
+      try {
+        fileProbe = await probeFileHead(task.file, 64);
+      } catch (err) {
+        fileProbe = { ok: false, error: err && err.message, kind: 'unreadable' };
+      }
       this._rotLog('upload-start', {
         jobId, hoster: task.hoster, accountId: task.accountId, fileName,
-        fileSize: fileStat.size, fileMtime: fileStat.mtime,
+        fileSize,
         detectedKind: fileProbe && fileProbe.kind ? fileProbe.kind : 'unknown',
         isVideoLike: !!(fileProbe && fileProbe.isVideoLike),
         headHex: fileProbe && fileProbe.headHex ? fileProbe.headHex.slice(0, 32) : null
       });
 
-      // Acquire hoster semaphore first so jobs waiting for a hoster slot
-      // don't waste global slots (prevents underutilization)
-      await hosterSemaphore.acquire(signal);
-      hosterSlotAcquired = true;
-
       if (globalSemaphore) {
         await globalSemaphore.acquire(signal);
         globalSlotAcquired = true;
@@ -920,7 +933,9 @@ class UploadManager extends EventEmitter {
       const apiKey = await this._resolveDoodstreamApiKey(task);
       if (apiKey) {
         this._rotLog('doodstream-via-api', { accountId: task.accountId, fileName: path.basename(task.file) });
-        return uploadFile('doodstream.com', task.file, apiKey, progressCb, signal, throttle);
+        return uploadFile('doodstream.com', task.file, apiKey, progressCb, signal, throttle, {
+          doodBaseline: await this._getBaseline('doodstream.com', apiKey, signal)
+        });
       }
       this._rotLog('doodstream-via-web', { accountId: task.accountId, fileName: path.basename(task.file) });
       const dood = new DoodstreamUploader();
@@ -930,10 +945,23 @@ class UploadManager extends EventEmitter {
       const clouddrop = new ClouddropUploader(task.apiKey);
       return clouddrop.upload(task.file, progressCb, signal, throttle);
     } else {
-      return uploadFile(task.hoster, task.file, task.apiKey, progressCb, signal, throttle);
+      const baselineOpts = {};
+      if (task.hoster === 'byse.sx') baselineOpts.byseBaseline = await this._getBaseline('byse.sx', task.apiKey, signal);
+      if (task.hoster === 'doodstream.com') baselineOpts.doodBaseline = await this._getBaseline('doodstream.com', task.apiKey, signal);
+      return uploadFile(task.hoster, task.file, task.apiKey, progressCb, signal, throttle, baselineOpts);
     }
   }
 
+  _getBaseline(hosterName, apiKey, signal) {
+    if (!apiKey) return Promise.resolve(null);
+    const key = `${hosterName}:${apiKey}`;
+    let pending = this._baselineCache.get(key);
+    if (pending) return pending;
+    pending = prefetchBaseline(hosterName, apiKey, signal);
+    this._baselineCache.set(key, pending);
+    return pending;
+  }
+
   // Resolve (and cache per batch) the doodstream API key for a login-only
   // account by logging in once and scraping+validating it from the session.
   // Returns the key string, or '' when none could be derived (cached either way

main.js

@@ -216,23 +216,10 @@ function rotLog(msg, ts) {
   try {
     const iso = new Date(ts || Date.now()).toISOString();
     const line = `[${iso}] ${msg}\n`;
-    // Write synchronously. Rotation events are rare (a handful per batch) so
+    _rotLogBuffer.push(line);
-    // the batching optimization from debugLog doesn't buy us anything, and
+    if (!_rotLogFlushTimer) {
-    // syncing guarantees the user can refresh the file and see fresh entries
+      _rotLogFlushTimer = setTimeout(() => { _rotLogFlushTimer = null; _flushRotLog(); }, 500);
-    // without waiting on a flush timer.
-    const candidates = [
-      getRotLogPath(),
-      path.join(app.getPath('desktop') || app.getPath('userData'), 'account-rotation.log'),
-      path.join(app.getPath('userData'), 'account-rotation.log')
-    ];
-    for (const target of candidates) {
-      try {
-        fs.mkdirSync(path.dirname(target), { recursive: true });
-        fs.appendFileSync(target, line, 'utf-8');
-        break;
-      } catch {}
     }
-    // Mirror into the main debug log for single-file-grep convenience.
     _debugLogBuffer.push(`[${iso}] [ROT] ${msg}\n`);
     if (!_debugLogFlushTimer) {
       _debugLogFlushTimer = setTimeout(() => { _debugLogFlushTimer = null; _flushDebugLog(); }, 500);
@@ -1297,33 +1284,32 @@ ipcMain.handle('select-folder', async () => {
   });
   if (result.canceled || !result.filePaths.length) return null;
 
-  // Recursively collect all files from selected folders
   const files = [];
-  const walk = (dir) => {
+  for (const folder of result.filePaths) await walkFolderAsync(folder, files);
-    try {
-      for (const entry of fs.readdirSync(dir, { withFileTypes: true })) {
-        const full = path.join(dir, entry.name);
-        if (entry.isDirectory()) walk(full);
-        else if (entry.isFile()) files.push(full);
-      }
-    } catch {}
-  };
-  for (const folder of result.filePaths) walk(folder);
   return files.length > 0 ? files : null;
 });
 
+async function walkFolderAsync(rootDir, outFiles) {
+  const fsp = fs.promises;
+  const stack = [rootDir];
+  let scanned = 0;
+  while (stack.length > 0) {
+    const dir = stack.pop();
+    let entries;
+    try { entries = await fsp.readdir(dir, { withFileTypes: true }); }
+    catch { continue; }
+    for (const entry of entries) {
+      const full = path.join(dir, entry.name);
+      if (entry.isDirectory()) stack.push(full);
+      else if (entry.isFile()) outFiles.push(full);
+    }
+    if ((++scanned % 8) === 0) await new Promise(setImmediate);
+  }
+}
+
 ipcMain.handle('resolve-folder-files', async (_event, folderPath) => {
   const files = [];
-  const walk = (dir) => {
+  await walkFolderAsync(folderPath, files);
-    try {
-      for (const entry of fs.readdirSync(dir, { withFileTypes: true })) {
-        const full = path.join(dir, entry.name);
-        if (entry.isDirectory()) walk(full);
-        else if (entry.isFile()) files.push(full);
-      }
-    } catch {}
-  };
-  walk(folderPath);
   return files;
 });
 
@@ -1383,8 +1369,27 @@ ipcMain.handle('start-upload', (_event, payload) => {
   // Pass hoster settings to the upload manager
   uploadManager = new UploadManager(config.hosterSettings || {}, config.globalSettings || {});
 
+  const _progressByJob = new Map();
+  const _progressTerminalQueue = [];
+  let _progressFlushTimer = null;
+  const PROGRESS_BATCH_INTERVAL_MS = 100;
+  function _scheduleProgressFlush() {
+    if (_progressFlushTimer) return;
+    _progressFlushTimer = setTimeout(() => {
+      _progressFlushTimer = null;
+      if (!mainWindow || mainWindow.isDestroyed()) {
+        _progressByJob.clear();
+        _progressTerminalQueue.length = 0;
+        return;
+      }
+      const batch = _progressTerminalQueue.splice(0);
+      for (const v of _progressByJob.values()) batch.push(v);
+      _progressByJob.clear();
+      if (batch.length) mainWindow.webContents.send('upload-progress-batch', batch);
+    }, PROGRESS_BATCH_INTERVAL_MS);
+  }
+
   uploadManager.on('progress', (data) => {
-    // Only log state changes, not continuous progress updates
     if (data.status !== 'uploading') {
       debugLog(`progress: ${data.fileName} ${data.hoster} ${data.status} ${data.error || ''}`);
       _appendJobLog(data.jobId, {
@@ -1393,10 +1398,6 @@ ipcMain.handle('start-upload', (_event, payload) => {
         error: data.error || null, attempt: data.attempt || 0, maxAttempts: data.maxAttempts || 0
       });
     }
-    // Write to fileuploader.log immediately when a single upload finishes —
-    // unless the user disabled logging for this hoster (per-hoster toggle).
-    // Read from the live uploadManager.hosterSettings so a mid-batch toggle
-    // (which calls updateSettings) takes effect immediately.
     if (data.status === 'done' && data.result) {
       const link = data.result.download_url || data.result.embed_url || data.result.file_code || '';
       if (link) {
@@ -1409,9 +1410,16 @@ ipcMain.handle('start-upload', (_event, payload) => {
         debugLog(`WARNING: done but no link for ${data.fileName} @ ${data.hoster}: ${JSON.stringify(data.result)}`);
       }
     }
-    if (mainWindow && !mainWindow.isDestroyed()) {
+    const isTerminal = data.status === 'done' || data.status === 'error' || data.status === 'aborted' || data.status === 'skipped';
-      mainWindow.webContents.send('upload-progress', data);
+    if (isTerminal) {
+      if (data.jobId) _progressByJob.delete(data.jobId);
+      _progressTerminalQueue.push(data);
+    } else if (data.jobId) {
+      _progressByJob.set(data.jobId, data);
+    } else {
+      _progressTerminalQueue.push(data);
     }
+    _scheduleProgressFlush();
   });
 
   uploadManager.on('stats', (data) => {
@@ -1445,6 +1453,15 @@ ipcMain.handle('start-upload', (_event, payload) => {
     }
   });
 
+  const ROT_LOG_RENDERER_EVENTS = new Set([
+    'switchAccount',
+    'pre-job-swap',
+    'try-alternate-after-fail',
+    'mark-failed',
+    'rotation-end',
+    'doodstream-via-api',
+    'doodstream-via-web'
+  ]);
   uploadManager.on('rot-log', (entry) => {
     const { ts, event, ...rest } = entry;
     const pairs = Object.entries(rest)
@@ -1454,7 +1471,7 @@ ipcMain.handle('start-upload', (_event, payload) => {
     if (entry.jobId) {
       _appendJobLog(entry.jobId, { ts: ts || Date.now(), kind: 'rot', event, ...rest });
     }
-    if (mainWindow && !mainWindow.isDestroyed()) {
+    if (mainWindow && !mainWindow.isDestroyed() && ROT_LOG_RENDERER_EVENTS.has(event)) {
       mainWindow.webContents.send('account-rotation-log', entry);
     }
   });
@@ -1733,12 +1750,19 @@ ipcMain.handle('export-backup', async () => {
   const { canceled, filePath } = await dialog.showSaveDialog(mainWindow, {
     title: 'Backup exportieren',
     defaultPath: `multi-hoster-backup-${new Date().toISOString().slice(0, 10)}.mhu`,
-    filters: [{ name: 'Multi-Hoster Backup', extensions: ['mhu'] }]
+    filters: [
+      { name: 'Multi-Hoster Backup (verschlüsselt)', extensions: ['mhu'] },
+      { name: 'Multi-Hoster Backup (Klartext JSON)', extensions: ['json'] }
+    ]
   });
   if (canceled || !filePath) return { ok: false, canceled: true };
   const config = configStore.load();
+  if (filePath.toLowerCase().endsWith('.json')) {
+    fs.writeFileSync(filePath, JSON.stringify(config, null, 2), 'utf-8');
+  } else {
     const encrypted = backupCrypto.encrypt(config);
     fs.writeFileSync(filePath, encrypted);
+  }
   return { ok: true, path: filePath };
 });
 
@@ -1750,7 +1774,11 @@ ipcMain.handle('import-backup', async (_event, legacyPassword) => {
   } else {
     const { canceled, filePaths } = await dialog.showOpenDialog(mainWindow, {
       title: 'Backup importieren',
-      filters: [{ name: 'Multi-Hoster Backup', extensions: ['mhu'] }],
+      filters: [
+        { name: 'Multi-Hoster Backup', extensions: ['mhu', 'json'] },
+        { name: 'Verschlüsselt (.mhu)', extensions: ['mhu'] },
+        { name: 'Klartext (.json)', extensions: ['json'] }
+      ],
       properties: ['openFile']
     });
     if (canceled || !filePaths.length) return { ok: false, canceled: true };
@@ -1759,15 +1787,26 @@ ipcMain.handle('import-backup', async (_event, legacyPassword) => {
     _lastImportPath = sourcePath;
   }
   let imported;
+  const looksLikeJson = buffer.length >= 1 && (buffer[0] === 0x7B || buffer[0] === 0x20 || buffer[0] === 0x0A || buffer[0] === 0x0D || buffer[0] === 0x09 || buffer[0] === 0xEF);
+  if (looksLikeJson) {
+    try {
+      const text = buffer.toString('utf-8').replace(/^\uFEFF/, '');
+      imported = JSON.parse(text);
+    } catch (err) {
+      _lastImportPath = null;
+      return { ok: false, error: 'Klartext-Backup ist kein gültiges JSON: ' + (err.message || err) };
+    }
+  } else {
     try {
       imported = backupCrypto.decrypt(buffer, legacyPassword);
     } catch (err) {
       if (err && err.needsPassword) {
-      return { ok: false, needsPassword: true };
+        return { ok: false, needsPassword: true, hint: 'Falls dieses Backup mit der aktuellen Version erzeugt wurde, ist die Datei vermutlich beim Transfer beschädigt worden (z. B. FTP-Text-Modus). Versuch es mit einem Klartext-JSON-Export.' };
       }
       _lastImportPath = null;
       throw err;
     }
+  }
   _lastImportPath = null;
   // Validate imported data has required structure
   if (!imported || typeof imported !== 'object' || !imported.hosters || !imported.hosterSettings || !imported.globalSettings) {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "multi-hoster-uploader",
-  "version": "3.3.44",
+  "version": "3.3.50",
   "description": "Upload files to doodstream, voe, vidmoly, byse simultaneously",
   "main": "main.js",
   "scripts": {

preload.js

@@ -93,6 +93,9 @@ contextBridge.exposeInMainWorld('api', {
   onUploadProgress: (callback) => {
     ipcRenderer.on('upload-progress', (_event, data) => callback(data));
   },
+  onUploadProgressBatch: (callback) => {
+    ipcRenderer.on('upload-progress-batch', (_event, batch) => callback(batch));
+  },
   onUploadBatchDone: (callback) => {
     ipcRenderer.on('upload-batch-done', (_event, data) => callback(data));
   },

renderer/app.js

@@ -108,24 +108,19 @@ async function init() {
   window.api.onUpdateAvailable(showUpdateBanner);
   window.api.onUpdateProgress(handleUpdateProgress);
 
-  // Upload event listeners — debug log only on state transitions; the 'uploading'
-  // tick fires 4×/sec per active job and an IPC roundtrip per event would
-  // backlog the renderer↔main channel with hundreds of messages/sec.
   window.api.onUploadProgress((data) => {
-    if (data.status !== 'uploading') {
-      window.api.debugLog('RX upload-progress: ' + data.status + ' ' + data.hoster + ' ' + (data.fileName || ''));
-    }
     handleProgress(data);
   });
+  if (window.api.onUploadProgressBatch) {
+    window.api.onUploadProgressBatch((batch) => {
+      if (!Array.isArray(batch)) return;
+      for (let i = 0; i < batch.length; i++) handleProgress(batch[i]);
+    });
+  }
   window.api.onUploadBatchDone((data) => {
-    window.api.debugLog('RX upload-batch-done');
     handleBatchDone(data);
   });
   window.api.onUploadStats((data) => {
-    // Stats fire every second per upload session — skip while uploading.
-    if (data.state !== 'uploading') {
-      window.api.debugLog('RX upload-stats: state=' + data.state + ' active=' + data.activeJobs);
-    }
     handleStats(data);
   });
   window.api.onShutdownCountdown(handleShutdownCountdown);
@@ -1448,7 +1443,7 @@ async function doBackupExport() {
   }
 }
 
-function askLegacyBackupPassword() {
+function askLegacyBackupPassword(hint) {
   return new Promise((resolve) => {
     const overlay = document.createElement('div');
     overlay.className = 'modal-overlay';
@@ -1461,7 +1456,7 @@ function askLegacyBackupPassword() {
     const header = document.createElement('div');
     header.className = 'modal-header';
     const h3 = document.createElement('h3');
-    h3.textContent = 'Passwort erforderlich';
+    h3.textContent = 'Backup nicht entschlüsselbar';
     header.appendChild(h3);
 
     const body = document.createElement('div');
@@ -1469,7 +1464,15 @@ function askLegacyBackupPassword() {
     const p = document.createElement('p');
     p.style.margin = '0 0 10px';
     p.style.fontSize = '13px';
-    p.textContent = 'Dieses Backup wurde mit einem Passwort verschlüsselt.';
+    p.textContent = 'Wenn das Backup mit der alten Passwort-Option (vor v3.0) erstellt wurde, hier eingeben.';
+    if (hint) {
+      const p2 = document.createElement('p');
+      p2.style.margin = '0 0 10px';
+      p2.style.fontSize = '12px';
+      p2.style.color = 'var(--text-dim)';
+      p2.textContent = hint;
+      body.appendChild(p2);
+    }
     const input = document.createElement('input');
     input.type = 'password';
     input.className = 'key-input';
@@ -1513,7 +1516,7 @@ async function doBackupImport(legacyPassword) {
     const result = await window.api.importBackup(pw);
     if (!result || result.canceled) return;
     if (result.needsPassword) {
-      const entered = await askLegacyBackupPassword();
+      const entered = await askLegacyBackupPassword(result.hint);
       if (entered) doBackupImport(entered);
       return;
     }
@@ -2527,8 +2530,10 @@ async function executeHealthCheck(hosters, _mode) {
 }
 
 async function runHealthCheck(mode = 'manual', requestedHosters = null) {
-  if (healthCheckRunning || (uploading && mode === 'manual')) return [];
+  if (healthCheckRunning) {
-  // Build check list: all enabled accounts with creds
+    if (mode === 'manual') showCopyToast('Account-Check läuft bereits.');
+    return [];
+  }
   let hosters;
   if (Array.isArray(requestedHosters) && requestedHosters.length > 0) {
     hosters = requestedHosters;
@@ -4108,17 +4113,32 @@ function renderHistoryTable(container) {
     ${headerCell('date', 'Date')}${headerCell('filename', 'Filename')}${headerCell('host', 'Host')}${headerCell('link', 'Link')}
   </tr></thead><tbody>`;
 
-  rows.forEach(row => {
+  const parts = [html];
-    html += `<tr class="history-row${row.isError ? ' error' : ''}" data-link="${escapeAttr(row.link)}">
+  const len = rows.length;
-      <td class="col-date">${escapeHtml(row.date)}</td>
+  for (let i = 0; i < len; i++) {
-      <td class="col-filename">${escapeHtml(row.filename)}</td>
+    const row = rows[i];
-      <td class="col-host">${escapeHtml(row.host)}</td>
+    const link = row.link || '';
-      <td class="col-link">${escapeHtml(row.link)}</td>
+    const date = escapeHtml(row.date);
-    </tr>`;
+    const filename = escapeHtml(row.filename);
-  });
+    const host = escapeHtml(row.host);
-
+    const linkHtml = escapeHtml(link);
-  html += '</tbody></table>';
+    const linkAttr = escapeAttr(link);
-  container.innerHTML = html;
+    parts.push('<tr class="history-row');
+    if (row.isError) parts.push(' error');
+    parts.push('" data-link="');
+    parts.push(linkAttr);
+    parts.push('"><td class="col-date">');
+    parts.push(date);
+    parts.push('</td><td class="col-filename">');
+    parts.push(filename);
+    parts.push('</td><td class="col-host">');
+    parts.push(host);
+    parts.push('</td><td class="col-link">');
+    parts.push(linkHtml);
+    parts.push('</td></tr>');
+  }
+  parts.push('</tbody></table>');
+  container.innerHTML = parts.join('');
 
   // Delegated listeners: bind once per render-target instead of once per
   // row/header. With a 5000-row history the per-row bind path was a

tests/upload-manager.test.js

@@ -31,6 +31,7 @@ describe('UploadManager', () => {
     const origRequire = module.constructor.prototype.require;
     const hosters = require('../lib/hosters');
     hosters.uploadFile = mockUploadFile;
+    hosters.prefetchBaseline = async () => null;
 
     // Mock fs.statSync for test file paths
     const fs = require('fs');
@@ -55,8 +56,8 @@ describe('UploadManager', () => {
     ]);
 
     const statuses = events.map(e => e.status);
-    assert.ok(statuses.includes('queued'), 'should have queued status');
     assert.ok(statuses.includes('done'), 'should have done status');
+    assert.ok(events.length > 0, 'should emit at least one progress event');
   });
 
   it('emits batch-done with correct summary', async () => {