feat: Anti-Fake-Evidence System (Phase 1-4b)
Implement full evidence integrity pipeline to prevent compliance theater: - Confidence levels (E0-E4), truth status tracking, assertion engine - Four-Eyes approval workflow, audit trail, reject endpoint - Evidence distribution dashboard, LLM audit routes - Traceability matrix (backend endpoint + Compliance Hub UI tab) - Anti-fake badges, control status machine, normative patterns - 2 migrations, 4 test suites, MkDocs documentation Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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@@ -52,64 +52,18 @@ ANTHROPIC_API_URL = "https://api.anthropic.com/v1"
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# Tier 2: Empfehlung (recommendation) — weaker normative signals
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# Tier 3: Kann (optional/permissive) — permissive signals
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# Nothing is rejected — everything is classified.
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#
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# Patterns are defined in normative_patterns.py and imported here
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# with local aliases for backward compatibility.
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_PFLICHT_SIGNALS = [
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# Deutsche modale Pflichtformulierungen
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r"\bmüssen\b", r"\bmuss\b", r"\bhat\s+sicherzustellen\b",
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r"\bhaben\s+sicherzustellen\b", r"\bsind\s+verpflichtet\b",
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r"\bist\s+verpflichtet\b",
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# "ist zu prüfen", "sind zu dokumentieren" (direkt)
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r"\bist\s+zu\s+\w+en\b", r"\bsind\s+zu\s+\w+en\b",
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r"\bhat\s+zu\s+\w+en\b", r"\bhaben\s+zu\s+\w+en\b",
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# "ist festzustellen", "sind vorzunehmen" (Compound-Verben, eingebettetes zu)
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r"\bist\s+\w+zu\w+en\b", r"\bsind\s+\w+zu\w+en\b",
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# "ist zusätzlich zu prüfen", "sind regelmäßig zu überwachen" (Adverb dazwischen)
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r"\bist\s+\w+\s+zu\s+\w+en\b", r"\bsind\s+\w+\s+zu\s+\w+en\b",
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r"\bhat\s+\w+\s+zu\s+\w+en\b", r"\bhaben\s+\w+\s+zu\s+\w+en\b",
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# Englische Pflicht-Signale
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r"\bshall\b", r"\bmust\b", r"\brequired\b",
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# Compound-Infinitive (Gerundivum): mitzuteilen, anzuwenden, bereitzustellen
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r"\b\w+zuteilen\b", r"\b\w+zuwenden\b", r"\b\w+zustellen\b", r"\b\w+zulegen\b",
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r"\b\w+zunehmen\b", r"\b\w+zuführen\b", r"\b\w+zuhalten\b", r"\b\w+zusetzen\b",
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r"\b\w+zuweisen\b", r"\b\w+zuordnen\b", r"\b\w+zufügen\b", r"\b\w+zugeben\b",
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# Breites Pattern: "ist ... [bis 80 Zeichen] ... zu + Infinitiv"
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r"\bist\b.{1,80}\bzu\s+\w+en\b", r"\bsind\b.{1,80}\bzu\s+\w+en\b",
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]
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_PFLICHT_RE = re.compile("|".join(_PFLICHT_SIGNALS), re.IGNORECASE)
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_EMPFEHLUNG_SIGNALS = [
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# Modale Verben (schwaecher als "muss")
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r"\bsoll\b", r"\bsollen\b", r"\bsollte\b", r"\bsollten\b",
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r"\bgewährleisten\b", r"\bsicherstellen\b",
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# Englische Empfehlungs-Signale
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r"\bshould\b", r"\bensure\b", r"\brecommend\w*\b",
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# Haeufige normative Infinitive (ohne Hilfsverb, als Empfehlung)
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r"\bnachweisen\b", r"\beinhalten\b", r"\bunterlassen\b", r"\bwahren\b",
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r"\bdokumentieren\b", r"\bimplementieren\b", r"\büberprüfen\b", r"\büberwachen\b",
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# Pruefanweisungen als normative Aussage
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r"\bprüfen,\s+ob\b", r"\bkontrollieren,\s+ob\b",
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]
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_EMPFEHLUNG_RE = re.compile("|".join(_EMPFEHLUNG_SIGNALS), re.IGNORECASE)
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_KANN_SIGNALS = [
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r"\bkann\b", r"\bkönnen\b", r"\bdarf\b", r"\bdürfen\b",
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r"\bmay\b", r"\boptional\b",
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]
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_KANN_RE = re.compile("|".join(_KANN_SIGNALS), re.IGNORECASE)
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# Union of all normative signals (for backward-compatible has_normative_signal flag)
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_NORMATIVE_RE = re.compile(
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"|".join(_PFLICHT_SIGNALS + _EMPFEHLUNG_SIGNALS + _KANN_SIGNALS),
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re.IGNORECASE,
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from .normative_patterns import (
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PFLICHT_RE as _PFLICHT_RE,
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EMPFEHLUNG_RE as _EMPFEHLUNG_RE,
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KANN_RE as _KANN_RE,
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NORMATIVE_RE as _NORMATIVE_RE,
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RATIONALE_RE as _RATIONALE_RE,
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)
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_RATIONALE_SIGNALS = [
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r"\bda\s+", r"\bweil\b", r"\bgrund\b", r"\berwägung",
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r"\bbecause\b", r"\breason\b", r"\brationale\b",
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r"\bkönnen\s+.*\s+verursachen\b", r"\bführt\s+zu\b",
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]
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_RATIONALE_RE = re.compile("|".join(_RATIONALE_SIGNALS), re.IGNORECASE)
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_TEST_SIGNALS = [
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r"\btesten\b", r"\btest\b", r"\bprüfung\b", r"\bprüfen\b",
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r"\bgetestet\b", r"\bwirksamkeit\b", r"\baudit\b",
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