refactor(admin): split dsr/[requestId] page.tsx into colocated components

Split the 854-line DSR detail page into colocated components under
_components/ and a data-loading hook under _hooks/. No behavior changes.

page.tsx is now 172 LOC, all extracted files under 300 LOC.

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

admin-compliance/app/sdk/dsr/[requestId]/_components/AuditLog.tsx

@@ -0,0 +1,44 @@
+'use client'
+
+import React from 'react'
+
+export function AuditLog({ history }: { history: any[] }) {
+  return (
+    <div className="space-y-3">
+      <h4 className="text-sm font-medium text-gray-700">Aktivitaeten</h4>
+      <div className="space-y-2">
+        {history.length === 0 && (
+          <div className="text-xs text-gray-400">Keine Eintraege</div>
+        )}
+        {history.map((entry, idx) => (
+          <div key={entry.id || idx} className="flex items-start gap-2 text-xs">
+            <div className="w-1.5 h-1.5 rounded-full bg-gray-300 mt-1.5 flex-shrink-0" />
+            <div>
+              <div className="text-gray-900">
+                {entry.previous_status
+                  ? `${entry.previous_status} → ${entry.new_status}`
+                  : entry.new_status
+                }
+                {entry.comment && `: ${entry.comment}`}
+              </div>
+              <div className="text-gray-500">
+                {entry.created_at
+                  ? new Date(entry.created_at).toLocaleDateString('de-DE', {
+                      day: '2-digit',
+                      month: '2-digit',
+                      year: 'numeric',
+                      hour: '2-digit',
+                      minute: '2-digit'
+                    })
+                  : ''
+                }
+                {' - '}
+                {entry.changed_by || 'System'}
+              </div>
+            </div>
+          </div>
+        ))}
+      </div>
+    </div>
+  )
+}