Add config sync cycle stop and surface pause/stop controls in the UI.

Cancel remaining tasks on stop and keep finalize from overwriting a cancelled cycle.

Co-authored-by: Cursor <cursoragent@cursor.com>

web/src/i18n/en.ts

@@ -139,9 +139,12 @@ const en = {
     retryFailed: "Retry failed",
     pause: "Pause",
     resume: "Resume",
+    stop: "Stop",
+    confirmStop: "Stop this cycle and cancel remaining NE tasks?",
     started: "Sync cycle started",
     paused: "Paused",
     resumed: "Resumed",
+    stopped: "Sync cycle stopped",
     policyTitle: "Sync policy",
     policySaved: "Policy saved",
     enabled: "Enable scheduled sync",
@@ -178,6 +181,7 @@ const en = {
       started: "Started",
       ended: "Ended",
       message: "Message",
+      actions: "Actions",
     },
   },
   networkDevices: {

web/src/i18n/zh.ts

@@ -139,9 +139,12 @@ const zh = {
     retryFailed: "一键重试失败",
     pause: "暂停",
     resume: "继续",
+    stop: "停止",
+    confirmStop: "停止后将取消未执行的网元任务，确定停止本轮同步？",
     started: "已启动同步周期",
     paused: "已暂停",
     resumed: "已继续",
+    stopped: "已停止同步周期",
     policyTitle: "同步策略",
     policySaved: "策略已保存",
     enabled: "启用周期调度",
@@ -178,6 +181,7 @@ const zh = {
       started: "开始",
       ended: "结束",
       message: "消息",
+      actions: "操作",
     },
   },
   networkDevices: {