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/documentCollection.json

@@ -35,6 +35,15 @@
   "documentType": "DocumentType",
   "fileName": "fileName",
   "knowledgeCount": "Number of knowledge items",
+  "publishStatusDraft": "Draft",
+  "publishStatusPublishPending": "Publish Pending",
+  "publishStatusPublished": "Published",
+  "publishStatusDeletePending": "Delete Pending",
+  "publishStatusLabel": "Release",
+  "submitPublishApprovalConfirm": "The knowledge base will enter the publish approval flow. It can be referenced by bots only after approval.",
+  "submitDeleteApprovalConfirm": "The knowledge base will enter the delete approval flow. It will be physically deleted only after approval.",
+  "publishPendingHint": "There is already an approval in progress for this knowledge base.",
+  "deletePendingHint": "There is already an approval in progress for this knowledge base.",
   "createdModifyTime": "Creation/update time",
   "documentList": "documentList",
   "knowledgeRetrieval": "knowledgeRetrieval",