feat: update empty state messages and hints in English and Chinese locales

refactor: rename variables for clarity in ReviewSessionPage and SessionsPage

fix: update version check logic in SettingsPage

chore: remove unused imports in TeamPage and session-detail components

fix: enhance error handling in MCP server

fix: apply default mode in edit-file tool handler

chore: remove tsbuildinfo file

docs: add Quick Plan & Execute phase documentation for issue discovery

chore: clean up ping output file

ccw/frontend/src/locales/en/home.json

@@ -44,12 +44,13 @@
   },
   "emptyState": {
     "noSessions": {
-      "title": "No Sessions Found",
-      "message": "No workflow sessions match your current filter."
+      "title": "No Active Sessions",
+      "message": "Start your first workflow session to begin tracking tasks and progress.",
+      "hint": "Create a planning session to get started"
     },
     "noTasks": {
       "title": "No Tasks",
-      "message": "No tasks match your current filter."
+      "message": "No tasks available in this session."
     },
     "noLoops": {
       "title": "No Active Loops",

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

@@ -44,12 +44,13 @@
   },
   "emptyState": {
     "noSessions": {
-      "title": "未找到会话",
-      "message": "没有符合当前筛选条件的工作流会话。"
+      "title": "暂无活跃会话",
+      "message": "开始你的第一个工作流会话，追踪任务和进度。",
+      "hint": "创建一个规划会话以开始使用"
     },
     "noTasks": {
       "title": "暂无任务",
-      "message": "没有符合当前筛选条件的任务。"
+      "message": "此会话中没有可用任务。"
     },
     "noLoops": {
       "title": "无活跃循环",