Retain exact recovery after batch start failure

Persist job-ID terminal outcomes before final queue acknowledgement and clear recovery evidence only after both the terminal marker and renderer queue are durable.

lib/upload-recovery.js

@@ -31,6 +31,39 @@
     return Array.from(snapshots.values());
   }
 
+  function buildFailedUploadSummary(tasks, message, now = Date.now()) {
+    const files = new Map();
+    for (const [index, task] of (Array.isArray(tasks) ? tasks : []).entries()) {
+      if (!task || typeof task !== 'object') continue;
+      const filePath = typeof task.file === 'string' ? task.file : '';
+      const fileName = filePath.split(/[\\/]/).pop() || `upload-${index + 1}`;
+      const key = filePath || `${fileName}\0${index}`;
+      if (!files.has(key)) files.set(key, { name: fileName, size: 0, results: [] });
+      files.get(key).results.push({
+        jobId: typeof task.jobId === 'string' ? task.jobId : '',
+        hoster: typeof task.hoster === 'string' ? task.hoster : '',
+        status: 'error',
+        error: message,
+        failureDetails: null,
+        download_url: null,
+        embed_url: null,
+        file_code: null
+      });
+    }
+    const grouped = Array.from(files.values());
+    const failed = grouped.reduce((count, file) => count + file.results.length, 0);
+    return {
+      id: `start-error-${now}`,
+      timestamp: new Date(now).toISOString(),
+      total: failed,
+      succeeded: 0,
+      failed,
+      skipped: 0,
+      files: grouped,
+      error: message
+    };
+  }
+
   function getRecoveryOutcome(job, recovery) {
     const status = typeof job?.status === 'string' ? job.status : 'preview';
     const jobId = typeof job?.id === 'string' ? job.id : '';
@@ -50,5 +83,5 @@
     return { status, interrupted: interruptedIds.has(jobId) && !terminalStatuses.has(status) };
   }
 
-  return { buildTerminalJobSnapshots, getRecoveryOutcome };
+  return { buildFailedUploadSummary, buildTerminalJobSnapshots, getRecoveryOutcome };
 });

main.js

@@ -45,7 +45,7 @@ const stats = require('./lib/stats');
 const { createCollectors } = require('./lib/diagnostics-collectors');
 const { createAgent } = require('./lib/diagnostics-agent');
 const { buildSessionReport, buildSessionReportCsv } = require('./lib/session-report');
-const { buildTerminalJobSnapshots } = require('./lib/upload-recovery');
+const { buildFailedUploadSummary, buildTerminalJobSnapshots } = require('./lib/upload-recovery');
 const { selectPublicUploadUrl } = require('./lib/upload-confirmation');
 const { createBatchMutationGate } = require('./lib/batch-mutation-gate');
 const { createUploadStartReservation } = require('./lib/upload-start-reservation');
@@ -2348,19 +2348,31 @@ async function executeReservedUploadStart(payload, startLease) {
     _thisManager.startBatch(tasks, {
       primeFailedAccounts: Array.from(_sessionFailedAccounts.keys()),
       primeOverrides: Array.from(_sessionAccountOverrides.entries())
-    }).catch((err) => {
+    }).catch(async (err) => {
       debugLog(`startBatch REJECTED: ${err && err.stack ? err.stack : err}`);
-      const errorSummary = {
-        id: 'error',
-        timestamp: new Date().toISOString(),
-        total: tasks.length,
-        succeeded: 0,
-        failed: tasks.length,
-        files: [],
-        error: err ? err.message : 'Unbekannter Fehler'
+      await batchMutationGate.sealAndDrain();
+      const errorSummary = buildFailedUploadSummary(tasks, 'Upload konnte nicht gestartet werden');
+      let historyPersisted = true;
+      try { await configStore.appendHistory(errorSummary); } catch (historyError) {
+        historyPersisted = false;
+        debugLog(`appendHistory after start failure failed: ${historyError.message}`);
+      }
+      const terminalRecovery = {
+        ...recovery,
+        settledAt: new Date().toISOString(),
+        terminalJobs: buildTerminalJobSnapshots(errorSummary)
       };
-      safeSend('upload-batch-done', errorSummary);
-      configStore.saveUploadRecovery(null).catch(error => debugLog(`upload recovery state could not be cleared after start failure: ${error.message}`));
+      let terminalRecoveryPersisted = true;
+      try { await configStore.saveUploadRecovery(terminalRecovery); } catch (recoveryError) {
+        terminalRecoveryPersisted = false;
+        debugLog(`upload recovery outcomes could not be saved after start failure: ${recoveryError.message}`);
+      }
+      const queuePersisted = await requestUploadFinalization(errorSummary, historyPersisted);
+      if (queuePersisted && terminalRecoveryPersisted) {
+        try { await configStore.saveUploadRecovery(null); } catch (clearError) {
+          debugLog(`upload recovery state could not be cleared after start failure: ${clearError.message}`);
+        }
+      }
       _producerTracker.finish();
       if (!isAutoRetry) sendBatchWebhook(errorSummary, 0);
       if (uploadManager === _thisManager) { uploadManager = null; globalThis._mhuUploadManagerRef = null; }

tests/upload-recovery.test.js

@@ -3,6 +3,20 @@ const assert = require('node:assert/strict');
 const fs = require('node:fs');
 const path = require('node:path');
 
+test('catastrophic batch starts retain exact terminal outcomes for every job', () => {
+  const { buildFailedUploadSummary, buildTerminalJobSnapshots } = require('../lib/upload-recovery');
+  const summary = buildFailedUploadSummary([
+    { jobId: 'job-a', file: 'C:\\one\\same.mkv', hoster: 'doodstream.com' },
+    { jobId: 'job-b', file: 'D:\\two\\same.mkv', hoster: 'voe.sx' }
+  ], 'Upload konnte nicht gestartet werden', Date.UTC(2026, 7, 13));
+  assert.equal(summary.total, 2);
+  assert.equal(summary.failed, 2);
+  assert.deepEqual(buildTerminalJobSnapshots(summary).map(entry => [entry.jobId, entry.status]), [
+    ['job-a', 'error'],
+    ['job-b', 'error']
+  ]);
+});
+
 test('terminal recovery snapshots retain exact job outcomes and canonical links', () => {
   const { buildTerminalJobSnapshots } = require('../lib/upload-recovery');
   const snapshots = buildTerminalJobSnapshots({
@@ -67,8 +81,13 @@ test('main and renderer keep recovery evidence until final queue persistence suc
   const batchDone = mainSource.slice(mainSource.indexOf("uploadManager.on('batch-done'"), mainSource.indexOf("ipcMain.handle('cancel-upload'"));
 
   assert.match(batchDone, /buildTerminalJobSnapshots\(summary\)/);
-  assert.match(batchDone, /if \(queuePersisted\)[\s\S]*saveUploadRecovery\(null\)/);
+  assert.match(batchDone, /if \(queuePersisted && terminalRecoveryPersisted\)[\s\S]*saveUploadRecovery\(null\)/);
   assert.ok(batchDone.indexOf('saveUploadRecovery(recoveryWithTerminalJobs)') < batchDone.indexOf('requestUploadFinalization(summary, historyPersisted)'));
+  const startFailure = batchDone.slice(batchDone.indexOf('startBatch(tasks'));
+  assert.match(startFailure, /buildFailedUploadSummary\(tasks/);
+  assert.match(startFailure, /saveUploadRecovery\(terminalRecovery\)/);
+  assert.match(startFailure, /requestUploadFinalization\(errorSummary, historyPersisted\)/);
+  assert.match(startFailure, /if \(queuePersisted && terminalRecoveryPersisted\)[\s\S]*saveUploadRecovery\(null\)/);
   assert.match(rendererSource, /window\.UploadRecovery\.getRecoveryOutcome/);
   assert.match(rendererSource, /data\.historyPersisted !== true/);
   assert.ok(indexSource.indexOf('../lib/upload-recovery.js') < indexSource.indexOf('app.js'));