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/ActionButtons.tsx

@@ -0,0 +1,75 @@
+'use client'
+
+import React from 'react'
+import { DSRRequest } from '@/lib/sdk/dsr/types'
+
+export function ActionButtons({
+  request,
+  onVerifyIdentity,
+  onExtendDeadline,
+  onComplete,
+  onReject,
+  onAssign
+}: {
+  request: DSRRequest
+  onVerifyIdentity: () => void
+  onExtendDeadline: () => void
+  onComplete: () => void
+  onReject: () => void
+  onAssign: () => void
+}) {
+  const isTerminal = request.status === 'completed' || request.status === 'rejected' || request.status === 'cancelled'
+
+  if (isTerminal) {
+    return (
+      <div className="space-y-2">
+        <button className="w-full px-4 py-2 text-gray-600 bg-gray-100 hover:bg-gray-200 rounded-lg transition-colors text-sm">
+          PDF exportieren
+        </button>
+      </div>
+    )
+  }
+
+  return (
+    <div className="space-y-2">
+      {!request.identityVerification.verified && (
+        <button
+          onClick={onVerifyIdentity}
+          className="w-full px-4 py-2 bg-yellow-500 text-white hover:bg-yellow-600 rounded-lg transition-colors text-sm font-medium"
+        >
+          Identitaet verifizieren
+        </button>
+      )}
+
+      <button
+        onClick={onAssign}
+        className="w-full px-4 py-2 text-purple-600 bg-purple-50 hover:bg-purple-100 rounded-lg transition-colors text-sm"
+      >
+        {request.assignment.assignedTo ? 'Neu zuweisen' : 'Zuweisen'}
+      </button>
+
+      <button
+        onClick={onExtendDeadline}
+        className="w-full px-4 py-2 text-gray-600 bg-gray-100 hover:bg-gray-200 rounded-lg transition-colors text-sm"
+      >
+        Frist verlaengern
+      </button>
+
+      <div className="border-t border-gray-200 pt-2 mt-2">
+        <button
+          onClick={onComplete}
+          className="w-full px-4 py-2 bg-green-600 text-white hover:bg-green-700 rounded-lg transition-colors text-sm font-medium"
+        >
+          Abschliessen
+        </button>
+
+        <button
+          onClick={onReject}
+          className="w-full mt-2 px-4 py-2 text-red-600 bg-red-50 hover:bg-red-100 rounded-lg transition-colors text-sm"
+        >
+          Ablehnen
+        </button>
+      </div>
+    </div>
+  )
+}