fix(web-admin): resolve html-to-docx default import interop for Word export

Co-authored-by: Cursor <cursoragent@cursor.com>

web-admin/src/utils/crm/contract-html-to-docx.ts

@@ -1,9 +1,16 @@
 /** 合同打印弹窗：HTML → DOCX 预处理与生成 */
 
-import HTMLtoDOCX from '@turbodocx/html-to-docx'
+import htmlToDocxModule from '@turbodocx/html-to-docx'
 
 const DOCX_MIME = 'application/vnd.openxmlformats-officedocument.wordprocessingml.document'
 
+/** CJS/ESM 互操作：Vite/浏览器多为函数，tsx/Node 偶发 `{ default: fn }` */
+const HTMLtoDOCX = (
+  typeof htmlToDocxModule === 'function'
+    ? htmlToDocxModule
+    : (htmlToDocxModule as { default?: unknown })?.default
+) as (htmlString: string, headerHTMLString?: string | null, documentOptions?: Record<string, unknown>, footerHTMLString?: string | null) => Promise<Blob | ArrayBuffer>
+
 /**
  * 将已预处理的合同 HTML 转为 DOCX Blob（浏览器下载用）。
  * 调用方须先执行 prepareContractHtmlForDocx。
@@ -12,6 +19,10 @@ export async function generateContractDocxBlob(
   preparedHtml: string,
   title?: string
 ): Promise<Blob> {
+  if (typeof HTMLtoDOCX !== 'function') {
+    throw new Error('html-to-docx 加载失败：未获得可调用的转换函数')
+  }
+
   const fullHtml = `<!DOCTYPE html><html><head><meta charset="UTF-8" /></head><body>${preparedHtml}</body></html>`
   const result = await HTMLtoDOCX(fullHtml, null, {
     orientation: 'portrait',