fix(web): C1 殘留 i18n — 5 處硬編碼中文改 useTranslations

- 告警 badge: alertBadge / alertBadgeZero
- 等待確認: awaitingConfirm
- 主機/拓撲 toggle: hostView / topoView
- HOST_CATALOG description 確認未渲染，不需 i18n

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

apps/web/messages/en.json

@@ -195,7 +195,10 @@
     "hostView": "Hosts",
     "topoView": "Topology",
     "waitingHostData": "Waiting for host data...",
-    "dashboardConnecting": "Dashboard API connecting..."
+    "dashboardConnecting": "Dashboard API connecting...",
+    "alertBadge": "{count} alerts",
+    "alertBadgeZero": "0 alerts",
+    "awaitingConfirm": "⏳ Awaiting Confirmation"
   },
   "openclaw": {
     "name": "OpenClaw",

apps/web/messages/zh-TW.json

@@ -196,7 +196,10 @@
     "hostView": "主機",
     "topoView": "拓撲",
     "waitingHostData": "等待主機資料...",
-    "dashboardConnecting": "Dashboard API 連線中"
+    "dashboardConnecting": "Dashboard API 連線中",
+    "alertBadge": "{count} 告警",
+    "alertBadgeZero": "0 告警",
+    "awaitingConfirm": "⏳ 等待確認"
   },
   "openclaw": {
     "name": "OpenClaw",

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

@@ -373,7 +373,7 @@ function MonitoringTools() {
                     fontSize: 10, padding: '1px 7px', borderRadius: 8, fontWeight: 600,
                     background: 'rgba(245,158,11,0.12)', color: '#F59E0B',
                   }}>
-                    {tool.firing_count} 告警
+                    {tDash('alertBadge', { count: tool.firing_count })}
                   </span>
                 ) : (
                   <span style={{
@@ -381,7 +381,7 @@ function MonitoringTools() {
                     fontSize: 10, padding: '1px 7px', borderRadius: 8, fontWeight: 600,
                     background: 'rgba(34,197,94,0.1)', color: '#22C55E',
                   }}>
-                    0 告警
+                    {tDash('alertBadgeZero')}
                   </span>
                 )}
               </div>
@@ -683,7 +683,7 @@ export default function Home({ params }: { params: { locale: string } }) {
       label: tDashboard('pendingApprovals'),
       value: pendingApprovals ?? '--',
       sub: hasPendingApprovals ? undefined : tDashboard('stable'),
-      badge: hasPendingApprovals ? { text: `⏳ 等待確認`, color: '#F59E0B', bg: 'rgba(245,158,11,0.08)' } : undefined,
+      badge: hasPendingApprovals ? { text: tDashboard('awaitingConfirm'), color: '#F59E0B', bg: 'rgba(245,158,11,0.08)' } : undefined,
       valueColor: hasPendingApprovals ? '#F59E0B' : undefined,
     },
     {
@@ -998,7 +998,7 @@ export default function Home({ params }: { params: { locale: string } }) {
                       color: infraView === 'host' ? '#d97757' : '#87867f',
                       boxShadow: infraView === 'host' ? '0 1px 2px rgba(0,0,0,0.06)' : 'none',
                     }}
-                  >主機</button>
+                  >{tDashboard('hostView')}</button>
                   <button
                     onClick={() => setInfraView('topo')}
                     style={{
@@ -1008,7 +1008,7 @@ export default function Home({ params }: { params: { locale: string } }) {
                       color: infraView === 'topo' ? '#d97757' : '#87867f',
                       boxShadow: infraView === 'topo' ? '0 1px 2px rgba(0,0,0,0.06)' : 'none',
                     }}
-                  >拓撲</button>
+                  >{tDashboard('topoView')}</button>
                 </div>
               </div>
               {/* 主機網格 (預設) */}