test: 建立 DOCX 自动化验收门禁

apps/desktop/src/desktop-application-controller.ts

@@ -52,6 +52,7 @@ import {
   toDesktopDocxExportFailure,
   type DesktopDocxExportOutcome
 } from "./docx-contract.js";
+import { saveDesktopDocx } from "./desktop-docx-save.js";
 import { ElectronDocxMediaEngine } from "./electron-docx-media-engine.js";
 import {
   parseMarkdownRenderRequest,
@@ -987,16 +988,14 @@ export class DesktopApplicationController {
               timings: generated.timings
             };
           }
-          const targetPath = selection.filePath
-            .toLowerCase()
-            .endsWith(".docx")
-            ? selection.filePath
-            : `${selection.filePath}.docx`;
-          await writeFile(targetPath, generated.docx);
+          const saved = await saveDesktopDocx(
+            selection.filePath,
+            generated.docx
+          );
           return {
             ok: true,
             saved: true,
-            fileName: path.basename(targetPath),
+            fileName: saved.fileName,
             diagnostics: generated.diagnostics,
             timings: generated.timings
           };

apps/desktop/src/desktop-docx-save.ts

@@ -0,0 +1,23 @@
+import path from "node:path";
+import { writeFile } from "node:fs/promises";
+
+export function resolveDesktopDocxTargetPath(selectedPath: string) {
+  return selectedPath.toLowerCase().endsWith(".docx")
+    ? selectedPath
+    : `${selectedPath}.docx`;
+}
+
+export async function saveDesktopDocx(
+  selectedPath: string,
+  content: Uint8Array
+) {
+  if (!selectedPath || content.byteLength === 0) {
+    throw new Error("DOCX 保存参数无效");
+  }
+  const targetPath = resolveDesktopDocxTargetPath(selectedPath);
+  await writeFile(targetPath, content);
+  return {
+    targetPath,
+    fileName: path.basename(targetPath)
+  };
+}