fix(i18n): byAnomalyAutoRate 插值修正 + mttrUnit 單位改分鐘

byAnomalyAutoRate: "自動修復率" → "自動修復率 {pct}%" (缺少 {pct} 插值導致顯示原始 key)
mttrUnit: "秒" → "分鐘" (前端已做 /60 換算)

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

apps/web/messages/en.json

@@ -214,9 +214,9 @@
     "cotTools": "Tool Calls",
     "cotClickHint": "Click an event to view reasoning details",
     "byAnomalyTitle": "Anomaly Type Distribution Top 5",
-    "byAnomalyAutoRate": "Auto-Repair Rate",
+    "byAnomalyAutoRate": "Auto {pct}%",
     "mttrTitle": "MTTR Overview",
-    "mttrUnit": "s",
+    "mttrUnit": "min",
     "mttrNoData": "No MTTR data yet"
   },
   "openclaw": {

apps/web/messages/zh-TW.json

@@ -215,9 +215,9 @@
     "cotTools": "工具呼叫",
     "cotClickHint": "點擊事件查看推理細節",
     "byAnomalyTitle": "異常類型分佈 Top 5",
-    "byAnomalyAutoRate": "自動修復率",
+    "byAnomalyAutoRate": "自動修復率 {pct}%",
     "mttrTitle": "MTTR 概覽",
-    "mttrUnit": "秒",
+    "mttrUnit": "分鐘",
     "mttrNoData": "尚無 MTTR 資料"
   },
   "openclaw": {