feat: Add Document Crawler & Auto-Onboarding service (Phase 1.4)
New standalone Python/FastAPI service for automatic compliance document scanning, LLM-based classification, IPFS archival, and gap analysis. Includes extractors (PDF, DOCX, XLSX, PPTX), keyword fallback classifier, compliance matrix, and full REST API on port 8098. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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document-crawler/classifiers/keyword_fallback.py
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document-crawler/classifiers/keyword_fallback.py
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"""Heuristic keyword-based classification fallback."""
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# Keyword patterns per category — order matters (first match wins on tie)
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KEYWORD_MAP: list[tuple[str, list[str]]] = [
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("VVT", [
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"verarbeitungsverzeichnis", "verzeichnis von verarbeitungstaetigkeiten",
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"verarbeitungstaetigkeit", "art. 30", "art 30", "zweck der verarbeitung",
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"kategorie betroffener personen", "datenkategorien",
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]),
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("TOM", [
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"technisch-organisatorische massnahmen", "technische und organisatorische",
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"art. 32", "art 32", "zutrittskontrolle", "zugangskontrolle",
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"zugriffskontrolle", "verschluesselungskonzept", "pseudonymisierung",
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]),
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("DSE", [
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"datenschutzerklaerung", "datenschutzhinweise", "privacy policy",
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"informationspflichten", "art. 13", "art. 14", "art 13", "art 14",
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"betroffenenrechte", "verantwortlicher im sinne",
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]),
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("AVV", [
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"auftragsverarbeitung", "auftragsverarbeitungsvertrag",
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"art. 28", "art 28", "weisungsgebundenheit", "unterauftragnehmer",
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"subunternehmer",
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]),
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("DSFA", [
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"datenschutz-folgenabschaetzung", "folgenabschaetzung",
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"art. 35", "art 35", "risikoanalyse", "hohes risiko",
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"systematische beschreibung",
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]),
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("Loeschkonzept", [
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"loeschkonzept", "loeschfristen", "aufbewahrungsfrist",
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"loeschung personenbezogener", "speicherdauer", "vorhaltefrist",
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]),
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("Einwilligung", [
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"einwilligung", "einwilligungserklaerung", "consent",
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"freiwillige zustimmung", "widerruf der einwilligung",
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]),
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("Vertrag", [
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"vertrag", "vereinbarung", "vertragspartner",
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"leistungsbeschreibung", "vertragsgegenstand",
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]),
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("Richtlinie", [
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"richtlinie", "policy", "datenschutzrichtlinie", "leitlinie",
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"verhaltensregeln", "organisationsanweisung",
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]),
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("Schulungsnachweis", [
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"schulungsnachweis", "schulung", "training", "datenschutzschulung",
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"teilnahmebestaetigung", "fortbildung datenschutz",
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]),
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]
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MAX_KEYWORD_CONFIDENCE = 0.3
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def keyword_classify(text: str, filename: str) -> dict:
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"""Classify document by keyword matching. Confidence capped at 0.3."""
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combined = (filename + " " + text).lower()
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best_category = "Sonstiges"
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best_score = 0
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for category, keywords in KEYWORD_MAP:
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score = sum(1 for kw in keywords if kw in combined)
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if score > best_score:
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best_score = score
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best_category = category
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if best_score == 0:
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return {
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"classification": "Sonstiges",
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"confidence": 0.1,
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"reasoning": "Keine Schluesselwoerter gefunden (Keyword-Fallback)",
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}
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confidence = min(best_score * 0.1, MAX_KEYWORD_CONFIDENCE)
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return {
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"classification": best_category,
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"confidence": confidence,
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"reasoning": f"Keyword-Fallback: {best_score} Treffer fuer {best_category}",
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}
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