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Backend: - ComplianceDashboardService: traffic-light status per ComplianceArea (KCANG/FINANCE/DSGVO/VEREIN) based on deadlines, payments, board positions - RetentionService: scheduled anonymization of expired member data (KCanG §24, 5 years), with dry-run preview and retention report endpoints - ComplianceDeadlineSeeder: seeds 5 standard recurring deadlines on club creation - ComplianceDashboardController: GET /api/v1/compliance/dashboard, GET /retention, POST /retention/preview - Repository additions: countOverdue, countActive board positions/members Frontend: - /compliance page with traffic-light status cards per area - Overdue deadlines section (highlighted red) with 'days overdue' badges - Upcoming deadlines with 'days until due' badges and 'Complete' buttons - Retention info cards (KCanG §24: 5y, AO §147: 10y, DSGVO: 2y) - Navigation: added 'Compliance-Status' to sidebar under Compliance group - compliance-dashboard.ts service with mock data for dev mode Build verified: pnpm build passes clean.