feat: add secure batch completion reports

Generate immutable post-cleanup summaries only after queue, history, and recovery finalization. Add bilingual accessible report UI, host and cleanup metrics, report-bound JSON and sanitized error CSV exports, renderer reload recovery, duplicate-filename-safe accounting, and public-source verification coverage.

scripts/verify-public-release.mjs

@@ -23,6 +23,7 @@ const sourceFiles = [
   'lib/account-auth.js',
   'lib/account-rotation.js',
   'lib/backup-crypto.js',
+  'lib/batch-completion-report.js',
   'lib/batch-mutation-gate.js',
   'lib/clouddrop-upload.js',
   'lib/coalesced-set.js',
@@ -36,6 +37,7 @@ const sourceFiles = [
   'lib/folder-monitor.js',
   'lib/hosters.js',
   'lib/hoster-transport-error.js',
+  'lib/import-preflight.js',
   'lib/ip-allowlist.js',
   'lib/log-mode.js',
   'lib/log-policy.js',
@@ -70,6 +72,7 @@ const sourceFiles = [
   'lib/upload-diagnostics.js',
   'lib/upload-manager.js',
   'lib/upload-recovery.js',
+  'lib/upload-schedule.js',
   'lib/upload-start-reservation.js',
   'lib/vidmoly-upload.js',
   'lib/voe-upload.js',
@@ -103,6 +106,8 @@ const sourceFiles = [
   'tests/account-status.test.js',
   'tests/auto-resume.test.js',
   'tests/backup-crypto.test.js',
+  'tests/batch-completion-main.test.js',
+  'tests/batch-completion-report.test.js',
   'tests/batch-mutation-gate.test.js',
   'tests/byse-reject-recovery.test.js',
   'tests/coalesced-set.test.js',
@@ -119,6 +124,7 @@ const sourceFiles = [
   'tests/folder-monitor.test.js',
   'tests/history-status.test.js',
   'tests/history-retention.test.js',
+  'tests/import-preflight.test.js',
   'tests/hidden-electron-window.test.js',
   'tests/hosters.test.js',
   'tests/hoster-recovery-provenance.test.js',
@@ -171,6 +177,7 @@ const sourceFiles = [
   'tests/upload-manager.test.js',
   'tests/upload-manager-recovery-claims.test.js',
   'tests/upload-recovery.test.js',
+  'tests/upload-schedule.test.js',
   'tests/upload-start-reservation.test.js',
   'tests/session-report.test.js',
   'tests/validate-credentials.test.js',