feat: 归档L03与L09审批发布能力

- 新增统一审批中心与审批管理页面，支持流程配置、审批详情与角色/用户审批对象

- 接入聊天助手、知识库、工作流的发布与删除审批，并补齐发布态校验与快照展示

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

@@ -11,6 +11,20 @@
   "deepThinking": "DeepThinking",
   "enableDeepThinking": "EnableDeepThinking",
   "publish": "Publish",
+  "publishStatusLabel": "Current Release",
+  "publishStatusDraft": "Draft",
+  "publishStatusDraftDesc": "Only the draft is saved. External chat and Public API are still unavailable.",
+  "publishStatusPublishPending": "Publish Pending",
+  "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.",
+  "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.",
+  "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.",
   "postToWeChatOfficialAccount": "PostToWeChatOfficialAccount",
   "publishExternalLink": "Publish External Chat Link",
   "configured": "Configured",