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/views/ai/shared/offline-impact.ts

@@ -0,0 +1,38 @@
+import { h } from 'vue';
+
+export interface OfflineImpactBinding {
+  id?: number | string;
+  title?: string;
+}
+
+export interface OfflineImpactCheck {
+  canProceed: boolean;
+  hasBotBindings: boolean;
+  hasWorkflowUsages: boolean;
+  botBindings: OfflineImpactBinding[];
+  workflowUsages: OfflineImpactBinding[];
+  message?: string;
+}
+
+function resolveTitle(item: OfflineImpactBinding) {
+  return item.title || String(item.id || '');
+}
+
+export function joinOfflineImpactTitles(items: OfflineImpactBinding[] = []) {
+  return items.map(resolveTitle).filter(Boolean).join('、');
+}
+
+export function buildOfflineImpactMessage(
+  intro: string,
+  items: OfflineImpactBinding[] = [],
+  footer?: string,
+) {
+  return h('div', [
+    h('p', intro),
+    h(
+      'ul',
+      items.map((item) => h('li', { key: String(item.id || item.title || '') }, resolveTitle(item))),
+    ),
+    footer ? h('p', footer) : null,
+  ]);
+}

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

@@ -1,6 +1,8 @@
 export type AiPublishStatus =
   | 'DELETE_PENDING'
   | 'DRAFT'
+  | 'OFFLINE'
+  | 'OFFLINE_PENDING'
   | 'PUBLISHED'
   | 'PUBLISH_PENDING';
 
@@ -13,6 +15,8 @@ export function normalizeAiPublishStatus(
   switch (value) {
     case 'PUBLISHED':
     case 'PUBLISH_PENDING':
+    case 'OFFLINE':
+    case 'OFFLINE_PENDING':
     case 'DELETE_PENDING':
       return value;
     default:
@@ -20,6 +24,17 @@ export function normalizeAiPublishStatus(
   }
 }
 
+/**
+ * 解析用于页面展示的发布状态。
+ * 已发布资源若存在当前审批实例，则视为“发布审批中”，用于统一状态文案与动作禁用。
+ */
+export function resolveAiResourceDisplayStatus(
+  displayValue?: null | string,
+  _fallbackValue?: null | string,
+): AiPublishStatus {
+  return normalizeAiPublishStatus(displayValue);
+}
+
 /**
  * 当前资源是否已有正式线上版本。
  */
@@ -27,12 +42,23 @@ export function isAiResourcePublished(value?: null | string) {
   return normalizeAiPublishStatus(value) === 'PUBLISHED';
 }
 
+/**
+ * 当前资源是否处于已下线状态。
+ */
+export function isAiResourceOffline(value?: null | string) {
+  return normalizeAiPublishStatus(value) === 'OFFLINE';
+}
+
 /**
  * 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';
+  return (
+    normalized === 'PUBLISHED' ||
+    normalized === 'DELETE_PENDING' ||
+    normalized === 'OFFLINE_PENDING'
+  );
 }
 
 /**
@@ -45,7 +71,68 @@ export function isAiResourceSelectableForBot(value?: null | string) {
 /**
  * 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';
+export function isAiResourceApprovalPending(
+  displayValue?: null | string,
+  _fallbackValue?: null | string,
+) {
+  const normalized = resolveAiResourceDisplayStatus(displayValue);
+  return (
+    normalized === 'PUBLISH_PENDING' ||
+    normalized === 'OFFLINE_PENDING' ||
+    normalized === 'DELETE_PENDING'
+  );
+}
+
+/**
+ * 当前资源是否允许发起发布。
+ */
+export function canAiResourcePublish(
+  displayValue?: null | string,
+  _fallbackValue?: null | string,
+) {
+  if (isAiResourceApprovalPending(displayValue)) {
+    return false;
+  }
+  const normalized = resolveAiResourceDisplayStatus(displayValue);
+  return normalized === 'DRAFT' || normalized === 'OFFLINE';
+}
+
+/**
+ * 当前资源是否允许重新发布。
+ */
+export function canAiResourceRepublish(
+  displayValue?: null | string,
+  _fallbackValue?: null | string,
+) {
+  if (isAiResourceApprovalPending(displayValue)) {
+    return false;
+  }
+  return resolveAiResourceDisplayStatus(displayValue) === 'PUBLISHED';
+}
+
+/**
+ * 当前资源是否允许发起下线。
+ */
+export function canAiResourceOffline(
+  displayValue?: null | string,
+  _fallbackValue?: null | string,
+) {
+  if (isAiResourceApprovalPending(displayValue)) {
+    return false;
+  }
+  return resolveAiResourceDisplayStatus(displayValue) === 'PUBLISHED';
+}
+
+/**
+ * 当前资源是否允许发起删除。
+ */
+export function canAiResourceDelete(
+  displayValue?: null | string,
+  _fallbackValue?: null | string,
+) {
+  if (isAiResourceApprovalPending(displayValue)) {
+    return false;
+  }
+  const normalized = resolveAiResourceDisplayStatus(displayValue);
+  return normalized === 'DRAFT' || normalized === 'OFFLINE';
 }