feat: 重构 Skill 管理与编辑工作台

- 统一列表、分类、新建与详情页的产品交互

- 提供 Markdown 实时编辑、源码与脚本资源工作台

- 实现能力自动保存、导入导出及完整状态反馈

easyflow-ui-admin/app/src/views/ai/skill/skill-api-error.test.ts

@@ -0,0 +1,55 @@
+import { describe, expect, it } from 'vitest';
+
+import {
+  isSkillAccessDeniedError,
+  isSkillCapabilityConflictError,
+  isSkillFileConflictError,
+  resolveSkillApiErrorMessage,
+} from './skill-api-error';
+
+describe('skill API conflict errors', () => {
+  it('recognizes response bodies thrown directly by the request client', () => {
+    expect(
+      isSkillFileConflictError({
+        errorCode: 4091,
+        message: '文件已被其他操作更新',
+      }),
+    ).toBe(true);
+    expect(
+      isSkillCapabilityConflictError({
+        errorCode: 4093,
+        message: '能力配置已被其他操作更新',
+      }),
+    ).toBe(true);
+  });
+
+  it('also recognizes Axios-shaped conflicts and ignores ordinary errors', () => {
+    expect(
+      isSkillFileConflictError({ response: { data: {}, status: 409 } }),
+    ).toBe(true);
+    expect(
+      isSkillCapabilityConflictError({
+        response: { data: { errorCode: 4093 }, status: 400 },
+      }),
+    ).toBe(true);
+    expect(isSkillFileConflictError({ errorCode: 500 })).toBe(false);
+  });
+
+  it('recognizes direct and Axios-shaped access denials', () => {
+    expect(isSkillAccessDeniedError({ errorCode: 403 })).toBe(true);
+    expect(
+      isSkillAccessDeniedError({ response: { data: {}, status: 401 } }),
+    ).toBe(true);
+    expect(isSkillAccessDeniedError({ errorCode: 500 })).toBe(false);
+  });
+
+  it('keeps backend business messages for recoverable category actions', () => {
+    expect(
+      resolveSkillApiErrorMessage(
+        { response: { data: { message: '请先迁移该分类下的 Skill' } } },
+        '删除失败',
+      ),
+    ).toBe('请先迁移该分类下的 Skill');
+    expect(resolveSkillApiErrorMessage(undefined, '删除失败')).toBe('删除失败');
+  });
+});