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>

ai-compliance-sdk/internal/ucca/models.go

@@ -217,6 +217,11 @@ type UseCaseIntake struct {
 	// Only applicable for financial domains (banking, finance, insurance, investment)
 	FinancialContext *FinancialContext `json:"financial_context,omitempty"`
 
+	// BetrVG / works council context (Germany)
+	EmployeeMonitoring    bool `json:"employee_monitoring,omitempty"`     // System can monitor employee behavior/performance
+	HRDecisionSupport     bool `json:"hr_decision_support,omitempty"`     // System supports HR decisions (hiring, evaluation, termination)
+	WorksCouncilConsulted bool `json:"works_council_consulted,omitempty"` // Works council has been consulted
+
 	// Opt-in to store raw text (otherwise only hash)
 	StoreRawText bool `json:"store_raw_text,omitempty"`
 }
@@ -471,6 +476,10 @@ type Assessment struct {
 	Art22Risk               bool            `json:"art22_risk"`
 	TrainingAllowed         TrainingAllowed `json:"training_allowed"`
 
+	// BetrVG Conflict Score (0-100) — works council escalation risk
+	BetrvgConflictScore     int             `json:"betrvg_conflict_score"`
+	BetrvgConsultationRequired bool         `json:"betrvg_consultation_required"`
+
 	// Corpus Versioning (RAG)
 	CorpusVersionID *uuid.UUID `json:"corpus_version_id,omitempty"`
 	CorpusVersion   string     `json:"corpus_version,omitempty"`