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fix(mail): Duplikate auch bei neu erzeugten PDFs erkennen
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Absender erzeugen PDFs beim erneuten Versand oft neu (andere
Erstellungszeit/Dokument-ID), dadurch unterscheidet sich die Checksumme
und die Duplikatprüfung griff nicht (z.B. Mail 7071 vs. 7072).

- Neuer Text-Fingerprint (SHA-256 über normalisierten PDF-Text via
  pdf-parse) in Attachments.ContentFingerprint, inkl. Migration und Index
- Wird beim Mail-Abruf berechnet; Altbestand füllt ein Hintergrund-
  Backfill beim Start auf, fehlende Werte werden bei Bedarf nachberechnet
- Duplikatprüfung und Import-Sperre berücksichtigen Anhänge mit gleichem
  Inhalt, die importiert sind oder gerade importiert werden
- Jest braucht für pdf-parse --experimental-vm-modules (test-Skripte)

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
This commit is contained in:
bjoernpoettkerandClaude Opus 5.5 committed 2026-09-25 12:27:31 +02:00
1 parent 534b313054
commit 797cbb9b71
12 files changed
+746 -7
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paperless-backend/package-lock.json
Generated
+217
View File
@@ -36,6 +36,7 @@
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"pdf-lib": "^1.17.1",
"pdf-parse": "^2.4.5",
"qrcode": "^1.5.4",
"reflect-metadata": "^0.2.2",
"rxjs": "^7.8.1",
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