feat(terminal): 建立 /terminal 路由頁 + 補全 Sidebar 全部 i18n nav keys

- 新增 terminal/page.tsx (自動開啟 OmniTerminal)
- zh-TW/en nav 補全 18 個缺失 key (alerts/monitoring/apm/...)

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

apps/web/messages/en.json

@@ -40,7 +40,25 @@
     "errors": "Error Tracking",
     "actions": "Action Log",
     "knowledge": "Knowledge Base",
-    "settings": "Settings"
+    "settings": "Settings",
+    "alerts": "Alerts",
+    "monitoring": "Monitoring",
+    "apm": "APM",
+    "topology": "Topology",
+    "security": "Security",
+    "compliance": "Compliance",
+    "autoRepair": "Auto Repair",
+    "deployments": "Deployments",
+    "tickets": "Tickets",
+    "cost": "Cost",
+    "reports": "Reports",
+    "terminal": "Terminal",
+    "apps": "Apps",
+    "services": "Services",
+    "users": "Users",
+    "notifications": "Notifications",
+    "billing": "Billing",
+    "help": "Help"
   },
   "locale": {
     "switch": "Switch Language",

apps/web/messages/zh-TW.json

@@ -40,7 +40,25 @@
     "errors": "錯誤追蹤",
     "actions": "行動日誌",
     "knowledge": "知識殿堂",
-    "settings": "設定"
+    "settings": "設定",
+    "alerts": "告警",
+    "monitoring": "服務監控",
+    "apm": "APM",
+    "topology": "拓撲圖",
+    "security": "安全",
+    "compliance": "合規",
+    "autoRepair": "自動修復",
+    "deployments": "部署管理",
+    "tickets": "工單",
+    "cost": "成本分析",
+    "reports": "報表",
+    "terminal": "終端",
+    "apps": "應用",
+    "services": "服務目錄",
+    "users": "使用者",
+    "notifications": "通知",
+    "billing": "帳單",
+    "help": "說明"
   },
   "locale": {
     "switch": "切換語系",

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

@@ -0,0 +1,36 @@
+'use client'
+
+/**
+ * Terminal Page - Omni-Terminal 專頁
+ * ===================================
+ * 直接展開 OmniTerminal，全頁模式
+ * 快捷鍵 CMD+J 在任何頁面都可呼叫（全局），
+ * 此頁提供直接訪問入口。
+ *
+ * @created 2026-04-01 ogt
+ * @see ADR-031 Omni-Terminal SSE Architecture
+ */
+
+import { AppLayout } from '@/components/layout'
+import { OmniTerminal } from '@/components/terminal/OmniTerminal'
+import { useEffect } from 'react'
+import { useTerminalStore } from '@/stores/terminal.store'
+
+export default function TerminalPage({
+  params,
+}: {
+  params: { locale: string }
+}) {
+  const { openTerminal } = useTerminalStore()
+
+  // 進入頁面自動開啟 Terminal
+  useEffect(() => {
+    openTerminal()
+  }, [openTerminal])
+
+  return (
+    <AppLayout locale={params.locale}>
+      <OmniTerminal />
+    </AppLayout>
+  )
+}