feat: 收敛AI资源发布审批生命周期

- 统一工作流、知识库、聊天助手的发布、重新发布、下线与删除链路

- 收敛审批编排、生命周期状态机与展示态，补齐审批管理和快照预览

- 调整审批管理权限模型为单入口页面加内部按钮权限

easyflow-ui-admin/app/src/locales/langs/en-US/bot.json

@@ -18,10 +18,16 @@
   "publishStatusPublishPendingDesc": "The assistant will switch to the new release after approval.",
   "publishStatusPublished": "Published",
   "publishStatusPublishedDesc": "The current release is externally available. Ongoing edits still stay in draft.",
+  "publishStatusOfflinePending": "Offline Pending",
+  "publishStatusOfflinePendingDesc": "The current release stays available until approval completes, but it is hidden from new binding candidates.",
+  "publishStatusOffline": "Offline",
+  "publishStatusOfflineDesc": "The current release is offline. External chat, Public API, and new bindings are unavailable.",
   "publishStatusDeletePending": "Delete Pending",
   "publishStatusDeletePendingDesc": "The current release remains available, but it is no longer offered as a new binding candidate.",
-  "submitPublishApprovalConfirm": "Submit the current draft to publish approval. It becomes externally available only after approval.",
-  "submitDeleteApprovalConfirm": "Submit the bot to delete approval. It will be physically deleted only after approval.",
+  "submitPublishApprovalConfirm": "Publish the current assistant now?",
+  "submitRepublishApprovalConfirm": "Republish the current assistant now?",
+  "submitOfflineApprovalConfirm": "Take the current assistant offline?",
+  "submitDeleteApprovalConfirm": "Delete the current assistant?",
   "publishPendingHint": "There is already an approval in progress for this bot.",
   "deletePendingHint": "There is already an approval in progress for this bot.",
   "publishRequiredHint": "There is no released version yet. Submit publish approval first.",