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/views/ai/shared/AiResourceCornerMeta.vue

@@ -0,0 +1,27 @@
+<template>
+  <div class="ai-resource-corner-meta">
+    <div class="ai-resource-corner-meta__item">
+      <slot name="publish"></slot>
+    </div>
+    <div class="ai-resource-corner-meta__item">
+      <slot name="scope"></slot>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.ai-resource-corner-meta {
+  display: flex;
+  gap: 6px;
+  align-items: center;
+  justify-content: flex-end;
+}
+
+.ai-resource-corner-meta__item {
+  display: flex;
+  align-items: center;
+  display: flex;
+  justify-content: flex-end;
+  min-width: 0;
+}
+</style>

easyflow-ui-admin/app/src/views/ai/shared/publish-status.ts

@@ -0,0 +1,51 @@
+export type AiPublishStatus =
+  | 'DELETE_PENDING'
+  | 'DRAFT'
+  | 'PUBLISHED'
+  | 'PUBLISH_PENDING';
+
+/**
+ * 规范化发布状态，避免页面散落默认值判断。
+ */
+export function normalizeAiPublishStatus(
+  value?: null | string,
+): AiPublishStatus {
+  switch (value) {
+    case 'PUBLISHED':
+    case 'PUBLISH_PENDING':
+    case 'DELETE_PENDING':
+      return value;
+    default:
+      return 'DRAFT';
+  }
+}
+
+/**
+ * 当前资源是否已有正式线上版本。
+ */
+export function isAiResourcePublished(value?: null | string) {
+  return normalizeAiPublishStatus(value) === 'PUBLISHED';
+}
+
+/**
+ * 当前资源是否允许对外可见。
+ */
+export function isAiResourceExternallyVisible(value?: null | string) {
+  const normalized = normalizeAiPublishStatus(value);
+  return normalized === 'PUBLISHED' || normalized === 'DELETE_PENDING';
+}
+
+/**
+ * 当前资源是否允许作为新的 Bot 引用候选。
+ */
+export function isAiResourceSelectableForBot(value?: null | string) {
+  return normalizeAiPublishStatus(value) === 'PUBLISHED';
+}
+
+/**
+ * 当前资源是否处于审批处理中。
+ */
+export function isAiResourceApprovalPending(value?: null | string) {
+  const normalized = normalizeAiPublishStatus(value);
+  return normalized === 'PUBLISH_PENDING' || normalized === 'DELETE_PENDING';
+}