refactor(admin): split vvt-baseline-catalog into domain barrel

Extracted 630-LOC monolith into 6 domain files (all <200 LOC) plus a
29-line barrel re-exporting everything for zero breaking-change impact.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

admin-compliance/lib/sdk/vvt-baseline-catalog/helpers.ts

@@ -0,0 +1,63 @@
+/**
+ * VVT Baseline-Katalog — Helpers & Catalog Assembly
+ */
+
+import type { BusinessFunction } from '../vvt-types'
+import type { BaselineTemplate } from './types'
+import { HR_VVT_TEMPLATES, FINANCE_VVT_TEMPLATES } from './hr-finance'
+import { SALES_CRM_VVT_TEMPLATES } from './sales-crm'
+import { MARKETING_VVT_TEMPLATES } from './marketing'
+import { SUPPORT_VVT_TEMPLATES, IT_OPERATIONS_VVT_TEMPLATES } from './support-it'
+import { OTHER_VVT_TEMPLATES } from './other'
+
+export const VVT_BASELINE_CATALOG: BaselineTemplate[] = [
+  ...HR_VVT_TEMPLATES,
+  ...FINANCE_VVT_TEMPLATES,
+  ...SALES_CRM_VVT_TEMPLATES,
+  ...MARKETING_VVT_TEMPLATES,
+  ...SUPPORT_VVT_TEMPLATES,
+  ...IT_OPERATIONS_VVT_TEMPLATES,
+  ...OTHER_VVT_TEMPLATES,
+]
+
+export function templateToActivity(
+  template: BaselineTemplate,
+  vvtId: string,
+): Omit<import('../vvt-types').VVTActivity, 'id'> & { id: string } {
+  const now = new Date().toISOString()
+  return {
+    id: crypto.randomUUID(),
+    vvtId,
+    name: template.name,
+    description: template.description,
+    purposes: template.purposes,
+    legalBases: template.legalBases,
+    dataSubjectCategories: template.dataSubjectCategories,
+    personalDataCategories: template.personalDataCategories,
+    recipientCategories: template.recipientCategories,
+    thirdCountryTransfers: [],
+    retentionPeriod: template.retentionPeriod,
+    tomDescription: template.tomDescription,
+    businessFunction: template.businessFunction,
+    systems: template.typicalSystems.map((s, i) => ({ systemId: `sys-${i}`, name: s })),
+    deploymentModel: 'cloud',
+    dataSources: [{ type: 'DATA_SUBJECT', description: 'Direkt von der betroffenen Person' }],
+    dataFlows: [],
+    protectionLevel: template.protectionLevel,
+    dpiaRequired: template.dpiaRequired,
+    structuredToms: template.structuredToms,
+    status: 'DRAFT',
+    responsible: '',
+    owner: '',
+    createdAt: now,
+    updatedAt: now,
+  }
+}
+
+export function getTemplatesByFunction(fn: BusinessFunction): BaselineTemplate[] {
+  return VVT_BASELINE_CATALOG.filter(t => t.businessFunction === fn)
+}
+
+export function getTemplateById(templateId: string): BaselineTemplate | undefined {
+  return VVT_BASELINE_CATALOG.find(t => t.templateId === templateId)
+}