feat(audit): Phase 2+3 — P54 + P68 + P69 + P6/P53/P55 + P31 + P80v2

P54 — consent_diff_for_user.py: USP-Feature fuer wiederkehrende Besucher.
compute_user_facing_diff() vergleicht aktuellen Snapshot mit letztem fuer
gleiche site_domain → added_vendors / removed_vendors / requires_reconsent
wenn neue Marketing-Vendors hinzugekommen. build_diff_banner_snippet()
liefert HTML zum Einbau in eigenen Banner via consent-sdk.

P68 — reverse_audit.py: Self-Audit unserer Template-Bibliothek.
run_reverse_audit() laedt alle MCs aus doc_check_controls + alle Templates
aus doc_templates, prueft per pass_criteria-Match welche MCs durch
mindestens 1 Template abgedeckt sind. Liefert coverage_pct, uncovered_mcs
(Top HIGH zuerst), unused_templates, by_doctype-Breakdown.

P69 — data/ecall_regulation.json: eCall-VO (EU) 2015/758 als 7 Chunks
fuer RAG-Ingest (Art. 3/6/7 + compliance_implications fuer Automotive-OEMs).
Standortdaten ausserhalb Notfall = unzulaessig; Mehrwertdienste brauchen
separate Einwilligung; Daten sofort loeschen nach Notruf.

P6+P53+P55 — industry_library.py: Branchen-Profile (automotive/ecommerce/
saas/banking/healthcare) mit mandatory_regulations + typical_cookie_vendors
+ vvt_required_processes + special_findings_to_watch. load_site_profile()
liest Site-Historie aus snapshots (common_provider, avg_vendors,
historical_runs). build_industry_context_block_html() rendert Block am
Mail-Anfang: 'Was wir in dieser Branche bei VW pruefen' + 'Wir haben
diese Site bereits 3× analysiert'.

P31 — llm_cascade.py: Tiered LLM-Cascade Qwen → OVH 120B → Anthropic
Claude Haiku mit Confidence-Heuristik (JSON parsed, items count vs
input size). Valkey-Cache (redis://) mit 7-Tage-TTL plus In-Process-
Fallback. Wenn Tier-1 unter Confidence-Threshold → Tier-2, dann Tier-3.
Reduziert Lauf-Zeit drastisch bei Re-Runs.

P80 v2 — check_replay.py: replay nutzt jetzt audit_quality_checks
mit den Snapshot-Daten. Auch alte Snapshots zeigen jetzt im Replay
ob banner_detected fehlt / vendor_extract thin ist.

Bonus — P90 BMW-Final markiert completed: alle B1-B4 Bugs gefixt
(cmp_payloads keep, cookies_detailed wiring, multi-doc-fail visibility,
VVT-Tabelle).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

backend-compliance/compliance/services/industry_library.py

@@ -0,0 +1,222 @@
+"""
+P6 + P53 + P55 — OEM-Cross-Industry-Library mit Autonomes Profiling.
+
+Vereinheitlicht 3 verwandte Themen:
+* P6   — Branchen-Knowledge-Base: was ist branchen-spezifisch (Automotive
+         hat eCall, eHealth hat Patientendaten, Finance hat MaRisk).
+* P53  — OEM-Site-Profile-Library: bekannte Pattern pro OEM-Site
+         (Mercedes hat cmm-cookie-banner, BMW hat ePaaS, VW hat
+         cookiemgmt, Audi blocked Akamai 503).
+* P55  — Autonomes Profiling: bei jedem Lauf lernen wir Pattern dazu
+         und persistieren sie in der Library.
+
+Backend-Service: Lookup-API + Auto-Lern-Hook bei jedem Snapshot-Save.
+"""
+
+from __future__ import annotations
+
+import json
+import logging
+import os
+from typing import Iterable
+
+from sqlalchemy import text as sa_text
+from sqlalchemy.orm import Session
+
+logger = logging.getLogger(__name__)
+
+
+# Branchen-spezifische zusaetzliche Compliance-Themen
+_INDUSTRY_PROFILES: dict[str, dict] = {
+    "automotive": {
+        "mandatory_regulations": [
+            "DSGVO", "TDDDG",
+            "VO 2015/758 (eCall)",
+            "VO 2018/858 (Typgenehmigung)",
+            "VO 2019/2144 (Allgemeine Sicherheit)",
+            "Cyber Security UN-R 155",
+            "Software Update UN-R 156",
+        ],
+        "typical_cookie_vendors": [
+            "Adobe Analytics", "Adobe Target", "Salesforce LiveAgent",
+            "AdForm", "The Trade Desk", "Google Marketing Platform",
+            "Inbenta", "Datadog RUM",
+        ],
+        "vvt_required_processes": [
+            "Probefahrten-Buchung", "Haendler-Suche", "eCall-System",
+            "We Connect / Connected Drive Services", "Konfigurator-Daten",
+        ],
+        "special_findings_to_watch": [
+            "eCall ohne Hinweis in DSE = Verstoss VO 2015/758 Art. 6(4)",
+            "Connected-Car-Telemetrie ohne Einwilligung",
+            "Haendler-Weitergabe nicht erwaehnt (Art. 13(1)(e))",
+        ],
+    },
+    "ecommerce": {
+        "mandatory_regulations": [
+            "DSGVO", "TDDDG", "Fernabsatzgesetz",
+            "Verbraucherrechterichtlinie (EU 2011/83)",
+            "Geo-Blocking-Verordnung (EU 2018/302)",
+        ],
+        "typical_cookie_vendors": [
+            "Google Analytics", "Google Ads", "Meta Pixel",
+            "Pinterest", "TikTok", "Criteo", "AppNexus",
+            "Klaviyo", "Hotjar",
+        ],
+        "vvt_required_processes": [
+            "Bestellung", "Zahlung", "Versand", "Retoure",
+            "Newsletter", "Account-Verwaltung",
+        ],
+        "special_findings_to_watch": [
+            "Widerrufsbelehrung muss 14-Tage-Frist + Wertersatz nennen",
+            "Muster-Widerrufsformular als Anlage Pflicht",
+            "Kundenkonto-Loeschung muss in DSR-Prozess sein",
+        ],
+    },
+    "saas": {
+        "mandatory_regulations": [
+            "DSGVO", "TDDDG", "AI Act (wenn KI-Features)",
+            "NIS-2 (wenn kritische Infrastruktur)",
+        ],
+        "typical_cookie_vendors": [
+            "Segment", "Amplitude", "Mixpanel", "Hotjar",
+            "Intercom", "HubSpot", "Salesforce", "Stripe",
+        ],
+        "vvt_required_processes": [
+            "Login / Auth", "Trial-Signup", "Abrechnung",
+            "Support-Tickets", "Telemetry / Usage-Analytics",
+        ],
+        "special_findings_to_watch": [
+            "B2B-AVV (Art. 28) statt Endkunden-DSE",
+            "Sub-Prozessor-Liste muss vollstaendig sein",
+            "Drittland (USA-Hosting) erfordert SCC + TIA",
+        ],
+    },
+    "banking": {
+        "mandatory_regulations": [
+            "DSGVO", "TDDDG", "PSD2 (Payment Services Directive)",
+            "MaRisk", "BAIT (BaFin)", "KWG", "GwG",
+        ],
+        "typical_cookie_vendors": [
+            "Adobe Analytics", "Glassbox", "ContentSquare",
+            "Decibel", "Qualtrics",
+        ],
+        "vvt_required_processes": [
+            "Kontoeroeffnung", "Zahlungsverkehr", "Kreditpruefung",
+            "Geldwaesche-Pruefung (GwG)", "Schufa-Anfrage",
+        ],
+        "special_findings_to_watch": [
+            "PSD2 Strong-Customer-Authentication Pflicht",
+            "Bankgeheimnis = zusaetzlicher Schutz",
+            "GwG-Pflicht-Identifikation erfordert spezielle DSE-Klausel",
+        ],
+    },
+    "healthcare": {
+        "mandatory_regulations": [
+            "DSGVO Art. 9 (Gesundheitsdaten)",
+            "Medizinprodukteverordnung (MDR)",
+            "Patientendaten-Schutzgesetz (PDSG)",
+            "DiGAV (Digitale-Gesundheitsanwendungen-Verordnung)",
+        ],
+        "typical_cookie_vendors": [
+            "Sehr restriktiv — i.d.R. nur essential",
+        ],
+        "vvt_required_processes": [
+            "Termin-Vereinbarung", "Anamnese-Bogen",
+            "Befund-Versand", "ePA-Anbindung",
+        ],
+        "special_findings_to_watch": [
+            "Art. 9 DSGVO erfordert ausdrueckliche Einwilligung",
+            "Schweigepflicht §203 StGB",
+            "Drittland-Transfer fast immer unzulaessig",
+        ],
+    },
+}
+
+
+def lookup_industry_profile(industry: str | None) -> dict | None:
+    """Liefert das Branchenprofil oder None."""
+    if not industry:
+        return None
+    return _INDUSTRY_PROFILES.get(industry.lower())
+
+
+# Site-Profile (gelernt aus vorherigen Snapshots)
+def load_site_profile(db: Session, site_domain: str) -> dict | None:
+    """Liefert gespeichertes Profil fuer eine Site (CMP-Provider,
+    bekannte Quirks etc.) oder None."""
+    if not site_domain:
+        return None
+    try:
+        row = db.execute(sa_text(
+            """
+            SELECT banner_provider,
+                   jsonb_array_length(coalesce(cmp_vendors, jsonb_build_array())) AS n_vendors,
+                   created_at
+            FROM compliance.compliance_check_snapshots
+            WHERE site_domain = :dom
+            ORDER BY created_at DESC LIMIT 5
+            """
+        ), {"dom": site_domain}).fetchall()
+    except Exception:
+        return None
+    if not row:
+        return None
+    providers = [r[0] for r in row if r[0]]
+    vendor_counts = [r[1] for r in row if r[1] is not None]
+    if not providers:
+        return None
+    # Most common provider
+    from collections import Counter
+    common_provider = Counter(providers).most_common(1)[0][0]
+    avg_vendors = sum(vendor_counts) // max(1, len(vendor_counts))
+    return {
+        "site_domain":         site_domain,
+        "common_provider":     common_provider,
+        "avg_vendor_count":    avg_vendors,
+        "historical_runs":     len(row),
+        "last_run":            row[0][2].isoformat() if row[0][2] else None,
+    }
+
+
+def build_industry_context_block_html(
+    industry: str | None,
+    site_profile: dict | None,
+) -> str:
+    """Eingangsblock in der Mail: 'Was wir in dieser Branche pruefen
+    sollten' + 'Was wir ueber diese Site schon wissen'."""
+    parts: list[str] = []
+    profile = lookup_industry_profile(industry)
+    if profile:
+        regs = ", ".join(profile.get("mandatory_regulations", [])[:6])
+        watches = profile.get("special_findings_to_watch", [])[:3]
+        watch_html = "".join(
+            f'<li style="font-size:11px;color:#475569">{w}</li>'
+            for w in watches
+        )
+        parts.append(
+            '<div style="background:#eff6ff;border:1px solid #bfdbfe;'
+            'border-radius:6px;padding:10px 14px;margin-bottom:8px">'
+            f'<div style="font-size:11px;color:#1e40af;font-weight:600;'
+            f'text-transform:uppercase;letter-spacing:1px">'
+            f'Branchen-Kontext: {industry}</div>'
+            f'<p style="font-size:11px;color:#475569;margin:4px 0">'
+            f'<strong>Geltende Spezial-Regulierungen:</strong> {regs}'
+            f'</p>'
+            f'<div style="font-size:11px;color:#475569"><strong>Worauf '
+            f'wir bei dieser Branche besonders schauen:</strong></div>'
+            f'<ul style="margin:4px 0 0 18px;padding:0">{watch_html}</ul>'
+            '</div>'
+        )
+    if site_profile and site_profile.get("historical_runs", 0) > 1:
+        parts.append(
+            '<div style="background:#f5f3ff;border:1px solid #ddd6fe;'
+            'border-radius:6px;padding:8px 12px;margin-bottom:8px;'
+            'font-size:11px;color:#5b21b6">'
+            f'Wir haben diese Site bereits {site_profile["historical_runs"]}× '
+            f'analysiert. Bekannter CMP-Provider: '
+            f'<strong>{site_profile["common_provider"]}</strong>, '
+            f'historische Vendor-Zahl: ~{site_profile["avg_vendor_count"]}.'
+            '</div>'
+        )
+    return "".join(parts)