feat: Betrieb-Module auf 100% — Buttons verdrahtet, Delete-Flows, tote Links gefixt

- consent-management: ConsentTemplateCreateModal + useRouter für DSR-Navigation
- vendor-compliance: QuickActionCard unterstützt onClick; /vendors/new → Modal, /processing-activities/new → Liste
- incidents: handleDeleteIncident + Löschen-Button im IncidentDetailDrawer
- whistleblower: handleDeleteReport + Löschen-Button im CaseDetailPanel
- escalations: handleDeleteEscalation + Löschen-Button im EscalationDetailDrawer
- notfallplan: ExerciseCreateModal (API-backed) + handleDeleteExercise + Neue-Übung-Button

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

admin-compliance/app/(sdk)/sdk/whistleblower/page.tsx

@@ -607,19 +607,36 @@ function WhistleblowerCreateModal({
 function CaseDetailPanel({
   report,
   onClose,
-  onUpdated
+  onUpdated,
+  onDeleted,
 }: {
   report: WhistleblowerReport
   onClose: () => void
   onUpdated: () => void
+  onDeleted?: () => void
 }) {
   const [officerName, setOfficerName] = useState(report.assignedTo || '')
   const [commentText, setCommentText] = useState('')
   const [isSavingOfficer, setIsSavingOfficer] = useState(false)
   const [isSavingStatus, setIsSavingStatus] = useState(false)
   const [isSendingComment, setIsSendingComment] = useState(false)
+  const [isDeleting, setIsDeleting] = useState(false)
   const [actionError, setActionError] = useState<string | null>(null)
 
+  const handleDeleteReport = async () => {
+    if (!window.confirm(`Meldung "${report.title}" wirklich löschen?`)) return
+    setIsDeleting(true)
+    try {
+      const res = await fetch(`/api/sdk/v1/whistleblower/reports/${report.id}`, { method: 'DELETE' })
+      if (!res.ok) throw new Error(`Fehler: ${res.status}`)
+      onDeleted ? onDeleted() : onClose()
+    } catch (err: unknown) {
+      setActionError(err instanceof Error ? err.message : 'Löschen fehlgeschlagen.')
+    } finally {
+      setIsDeleting(false)
+    }
+  }
+
   const categoryInfo = REPORT_CATEGORY_INFO[report.category]
   const statusInfo = REPORT_STATUS_INFO[report.status]
 
@@ -857,6 +874,17 @@ function CaseDetailPanel({
               </div>
             </div>
           )}
+
+          {/* Delete */}
+          <div className="pt-2 border-t border-gray-100">
+            <button
+              onClick={handleDeleteReport}
+              disabled={isDeleting}
+              className="px-4 py-2 bg-red-600 text-white rounded-lg hover:bg-red-700 text-sm transition-colors disabled:opacity-50"
+            >
+              {isDeleting ? 'Löschen...' : 'Löschen'}
+            </button>
+          </div>
         </div>
       </div>
     </>
@@ -1184,6 +1212,7 @@ export default function WhistleblowerPage() {
           report={selectedReport}
           onClose={() => setSelectedReport(null)}
           onUpdated={() => { setSelectedReport(null); loadData() }}
+          onDeleted={() => { setSelectedReport(null); loadData() }}
         />
       )}
     </div>