refactor: 收敛渲染链路共享抽象

apps/server/src/app.ts

@@ -4,6 +4,7 @@ import { performance } from "node:perf_hooks";
 import Fastify from "fastify";
 import {
   EXPORT_CONFIG_VERSION,
+  createPagedDocumentPayload,
   defaultExportConfig,
   exportConfigSchema,
   supportedPaperFormats
@@ -354,17 +355,17 @@ export function buildApp(options: BuildAppOptions = {}) {
       const rendered = renderedResult.document;
 
       try {
-        const generated = await pdfGenerator.generate({
-          articleHtml: rendered.articleHtml,
-          fileName:
-            typeof request.body.fileName === "string"
-              ? request.body.fileName
-              : "文档.md",
-          metadata: rendered.metadata,
-          features: rendered.features,
-          themeCss,
-          exportConfig: parsedConfig.data
-        });
+        const generated = await pdfGenerator.generate(
+          createPagedDocumentPayload({
+            document: rendered,
+            fileName:
+              typeof request.body.fileName === "string"
+                ? request.body.fileName
+                : "文档.md",
+            themeCss,
+            exportConfig: parsedConfig.data
+          })
+        );
         const pdfFileName = createPdfFileName(request.body.fileName);
         const requestMs = performance.now() - requestStartedAt;
         const serverTiming = createPdfServerTiming(