fix: 修复企业微信通知环境变量展开问题

- 使用 PAYLOAD=$(cat <<ENDPAYLOAD) 替代 cat > file <<EOF
- 确保环境变量在 heredoc 中正确展开
- 添加测试脚本验证环境变量展开
- 修复构建详情链接和消息内容缺失问题

src/types/jest-dom.d.ts

@@ -1,5 +1,32 @@
 import '@testing-library/jest-dom';
 
-declare module 'expect' {
-  interface Matchers<R, T> extends jest.Matchers<R, T> {}
+declare global {
+  namespace jest {
+    interface Matchers<R> {
+      toBeInTheDocument(): R;
+      toBeDisabled(): R;
+      toBeEnabled(): R;
+      toBeEmpty(): R;
+      toBeEmptyDOMElement(): R;
+      toBeInvalid(): R;
+      toBeRequired(): R;
+      toBeValid(): R;
+      toBeVisible(): R;
+      toContainElement(element: Element | null): R;
+      toContainHTML(html: string): R;
+      toHaveAccessibleDescription(description?: string | RegExp): R;
+      toHaveAccessibleName(name?: string | RegExp): R;
+      toHaveAttribute(attr: string, value?: string | RegExp): R;
+      toHaveClass(...classNames: string[]): R;
+      toHaveFocus(): R;
+      toHaveFormValues(values: Record<string, unknown>): R;
+      toHaveStyle(css: Record<string, unknown>): R;
+      toHaveTextContent(text: string | RegExp, options?: { normalizeWhitespace: boolean }): R;
+      toHaveValue(value?: string | string[] | number): R;
+      toHaveDisplayValue(value?: string | string[] | RegExp): R;
+      toBeChecked(): R;
+      toBePartiallyChecked(): R;
+      toHaveErrorMessage(message?: string | RegExp): R;
+    }
+  }
 }