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/StatusBadge.tsx

@@ -0,0 +1,15 @@
+'use client'
+
+import React from 'react'
+import { DSR_STATUS_INFO } from '@/lib/sdk/dsr/types'
+
+export function StatusBadge({ status }: { status: string }) {
+  const info = DSR_STATUS_INFO[status as keyof typeof DSR_STATUS_INFO]
+  if (!info) return null
+
+  return (
+    <span className={`px-3 py-1.5 text-sm font-medium rounded-lg ${info.bgColor} ${info.color} border ${info.borderColor}`}>
+      {info.label}
+    </span>
+  )
+}