feat: BetrVG-Compliance-Modul — Obligations, Konflikt-Score, Frontend

1. BetrVG Obligations (JSON V2): 12 Pflichten basierend auf §87, §90, §94, §95, §99, §111
   - BAG-Rechtsprechung referenziert (M365, SAP, Standardsoftware)
   - Applicability: DE + >=5 Mitarbeiter
2. Betriebsrats-Konflikt-Score (0-100): Gewichtete Formel aus 8 Faktoren
   - Ueberwachungseignung, HR-Bezug, Individualisierbarkeit, Automation
   - Escalation-Trigger: Score>=50 ohne BR → E2, Score>=75 → E3
3. Frontend: 3 neue Intake-Felder (Monitoring, HR, BR-Konsultation)
   - BR-Konflikt-Badge in Use-Case-Liste + Detail-Seite
   - Farbcodierung: gruen/gelb/orange/rot

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

admin-compliance/app/sdk/use-cases/[id]/page.tsx

@@ -57,6 +57,8 @@ interface FullAssessment {
   dsfa_recommended: boolean
   art22_risk: boolean
   training_allowed: string
+  betrvg_conflict_score?: number
+  betrvg_consultation_required?: boolean
   triggered_rules?: TriggeredRule[]
   required_controls?: RequiredControl[]
   recommended_architecture?: PatternRecommendation[]
@@ -167,6 +169,8 @@ export default function AssessmentDetailPage() {
     dsfa_recommended: assessment.dsfa_recommended,
     art22_risk: assessment.art22_risk,
     training_allowed: assessment.training_allowed,
+    betrvg_conflict_score: assessment.betrvg_conflict_score,
+    betrvg_consultation_required: assessment.betrvg_consultation_required,
     // AssessmentResultCard expects rule_code; backend stores code — map here
     triggered_rules: assessment.triggered_rules?.map(r => ({
       rule_code: r.code,