统一微信壳桥接目录

新增 miniprogram/shell 承接微信 Page 生命周期与 wx 容器调用

收窄微信页面入口为 shell 页面工厂装配

更新三端 host-bridge/shell 目录门禁与认证 smoke

补充微信 shell 测试与 CommonJS 测试加载工具

同步宿主壳架构文档和项目共享记忆

补齐 api-server 外部生成测试 fixture 更新时间字段

miniprogram/shell/wechatShellShareGrid.test.js

@@ -0,0 +1,49 @@
+import path from 'node:path';
+
+import { beforeEach, describe, expect, test, vi } from 'vitest';
+
+import { loadCommonJsModule } from '../test-utils/loadCommonJsModule.js';
+
+const shareGridBridgePath = path.resolve(
+  process.cwd(),
+  'miniprogram/host-bridge/wechatHostBridgeShareGrid.js',
+);
+const shareGridShellPath = path.resolve(
+  process.cwd(),
+  'miniprogram/shell/wechatShellShareGrid.js',
+);
+
+let createWechatShareGridPage;
+
+function createPage() {
+  const page = createWechatShareGridPage();
+  return {
+    ...page,
+    data: { ...page.data },
+    setData(patch) {
+      Object.assign(this.data, patch);
+    },
+  };
+}
+
+describe('wechat share-grid shell page', () => {
+  beforeEach(() => {
+    globalThis.wx = {
+      navigateBack: vi.fn(),
+    };
+    const shareGridBridge = loadCommonJsModule(shareGridBridgePath);
+    const shareGridShell = loadCommonJsModule(shareGridShellPath, {
+      '../host-bridge/wechatHostBridgeShareGrid': shareGridBridge,
+    });
+    createWechatShareGridPage = shareGridShell.createWechatShareGridPage;
+  });
+
+  test('shows a clear error when imageUrl is missing', async () => {
+    const page = createPage();
+
+    await page.onLoad({});
+
+    expect(page.data.loading).toBe(false);
+    expect(page.data.errorMessage).toBe('缺少封面图。');
+  });
+});