✨ feat(sql-editor): 增加对象定义修改入口

- 视图、事件、函数/存储过程定义页增加对象修改按钮

- 触发器定义页增加对象修改按钮，并在定义片段场景提示补全 CREATE TRIGGER

- 对象修改入口统一打开 query 标签，复用现有 SQL 执行与连接上下文

- 新增定义页对象修改入口组件回归测试

frontend/src/components/TriggerViewer.object-edit.test.tsx

@@ -0,0 +1,116 @@
+import React from 'react';
+import { act, create } from 'react-test-renderer';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+
+import type { TabData } from '../types';
+import TriggerViewer from './TriggerViewer';
+
+const storeState = vi.hoisted(() => ({
+  connections: [
+    {
+      id: 'conn-1',
+      name: 'local',
+      config: {
+        type: 'postgres',
+        host: '127.0.0.1',
+        port: 5432,
+        user: 'postgres',
+        password: '',
+        database: 'main',
+      },
+    },
+  ],
+  theme: 'light',
+  addTab: vi.fn(),
+  setActiveContext: vi.fn(),
+}));
+
+const backendApp = vi.hoisted(() => ({
+  DBQuery: vi.fn(),
+}));
+
+vi.mock('../store', () => ({
+  useStore: (selector: (state: typeof storeState) => any) => selector(storeState),
+}));
+
+vi.mock('../../wailsjs/go/app/App', () => backendApp);
+
+vi.mock('@ant-design/icons', () => ({
+  EditOutlined: () => <span data-icon="edit" />,
+}));
+
+vi.mock('./MonacoEditor', () => ({
+  default: ({ value, options }: any) => (
+    <pre data-editor="true" data-readonly={String(options?.readOnly)}>
+      {value}
+    </pre>
+  ),
+}));
+
+vi.mock('antd', () => ({
+  Spin: ({ tip }: any) => <div>{tip}</div>,
+  Alert: ({ message, description }: any) => <div>{message}{description}</div>,
+  Button: ({ children, onClick, icon }: any) => (
+    <button type="button" onClick={onClick}>
+      {icon}
+      {children}
+    </button>
+  ),
+}));
+
+const flushPromises = async (count = 6) => {
+  for (let i = 0; i < count; i += 1) {
+    await Promise.resolve();
+  }
+};
+
+const findButtonText = (node: any): string => (
+  (node.children || [])
+    .map((item: any) => (typeof item === 'string' ? item : findButtonText(item)))
+    .join('')
+);
+
+const tab: TabData = {
+  id: 'trigger-conn-1-main-audit.users_bi',
+  title: '触发器: audit.users_bi',
+  type: 'trigger',
+  connectionId: 'conn-1',
+  dbName: 'main',
+  triggerName: 'audit.users_bi',
+  triggerTableName: 'audit.users',
+  schemaName: 'audit',
+};
+
+describe('TriggerViewer object edit entry', () => {
+  beforeEach(() => {
+    storeState.addTab.mockReset();
+    storeState.setActiveContext.mockReset();
+    backendApp.DBQuery.mockResolvedValue({
+      success: true,
+      data: [{ trigger_definition: 'CREATE TRIGGER users_bi BEFORE INSERT ON audit.users EXECUTE FUNCTION audit.audit_users();' }],
+    });
+  });
+
+  it('opens an editable query tab for trigger definitions', async () => {
+    let renderer: any;
+    await act(async () => {
+      renderer = create(<TriggerViewer tab={tab} />);
+      await flushPromises();
+    });
+
+    const button = renderer.root.findAll((node: any) => node.type === 'button' && findButtonText(node).includes('对象修改'))[0];
+
+    await act(async () => {
+      button.props.onClick();
+    });
+
+    expect(storeState.setActiveContext).toHaveBeenCalledWith({ connectionId: 'conn-1', dbName: 'main' });
+    expect(storeState.addTab).toHaveBeenCalledWith(expect.objectContaining({
+      title: '修改触发器: audit.users_bi',
+      type: 'query',
+      connectionId: 'conn-1',
+      dbName: 'main',
+      query: expect.stringContaining('CREATE TRIGGER users_bi BEFORE INSERT'),
+    }));
+  });
+});