feat: enhance RecommendedMcpWizard with icon mapping; improve ExecutionTab accessibility; refine NavGroup path matching; update fetchSkills to include enabled status; add loading and error messages to localization

ccw/frontend/src/locales/zh/common.json

@@ -218,6 +218,8 @@
   "all": "全部",
   "yes": "是",
   "no": "否",
+  "loading": "加载中...",
+  "error": "错误",
   "navigation": {
     "header": {
       "brand": "CCW 仪表板"

ccw/frontend/src/locales/zh/memory.json

@@ -10,7 +10,14 @@
     "copyError": "复制失败",
     "refresh": "刷新",
     "expand": "展开",
-    "collapse": "收起"
+    "collapse": "收起",
+    "favoriteAdded": "已添加到收藏",
+    "favoriteRemoved": "已从收藏移除",
+    "favoriteError": "更新收藏状态失败",
+    "archiveSuccess": "记忆已归档",
+    "archiveError": "归档记忆失败",
+    "unarchiveSuccess": "记忆已恢复",
+    "unarchiveError": "恢复记忆失败"
   },
   "tabs": {
     "memories": "记忆",