feat(authorizations): 從佔位符升級為完整 HITL 授權頁面

接入 LiveApprovalPanel：Multi-Sig、權限擋板 (RBAC)、SSE 即時更新、CSRF 保護

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

apps/web/src/app/[locale]/authorizations/page.tsx

@@ -3,31 +3,23 @@
 /**
  * Authorizations Page - 授權中心
  * ==============================
- * Phase 7.0: 防禦性路由佔位
- * Wave 3: i18n 國際化支援 (2026-03-31)
+ * HITL 即時授權頁面，整合 LiveApprovalPanel
+ * 含 Multi-Sig、權限擋板、SSE 即時更新
  *
- * Nothing.tech 空態設計:
- * - 畫面正中央極簡文字
- * - 等寬字體 + 淺灰色
+ * @updated 2026-04-01 ogt - 從佔位符升級為完整頁面
  */
 
 import { AppLayout } from '@/components/layout'
-import { useTranslations } from 'next-intl'
+import { LiveApprovalPanel } from '@/components/approval/live-approval-panel'
 
 export default function AuthorizationsPage({
   params,
 }: {
   params: { locale: string }
 }) {
-  const t = useTranslations('placeholder')
-
   return (
     <AppLayout locale={params.locale}>
-      <div className="flex items-center justify-center min-h-[60vh]">
-        <p className="font-mono text-sm text-neutral-400 tracking-wider">
-          {t('authorizations')}
-        </p>
-      </div>
+      <LiveApprovalPanel />
     </AppLayout>
   )
 }