feat: 建立统一语义文档模型

packages/renderer/src/render-markdown.ts

@@ -13,6 +13,7 @@ import {
   documentProfileSchema,
   isSafeDocumentLink
 } from "@md-to-pdf/core";
+import { createSemanticDocumentModel } from "@md-to-pdf/semantic-document";
 import {
   markdownItECharts,
   type MarkdownItEChartsErrorContext
@@ -348,12 +349,17 @@ export function renderMarkdown(
   };
   const rendered = markdown.render(parsed.content, environment);
   const bodyHtml = sanitizeHtml(rendered, safeHtmlOptions);
+  const firstBodyHeading = extractFirstHeading(parsed.content);
   const metadata = normalizeMetadata(
     parsed.data,
     options.language ?? "zh-CN",
-    extractFirstHeading(parsed.content)
+    firstBodyHeading
   );
-  const structure = renderDocumentStructure(metadata);
+  const semanticDocument = createSemanticDocumentModel({
+    metadata,
+    firstBodyHeading
+  });
+  const structure = renderDocumentStructure(semanticDocument);
   const profileAttribute = structure
     ? ` data-document-profile="${structure.profile}"`
     : "";
@@ -364,6 +370,7 @@ export function renderMarkdown(
     articleHtml,
     bodyHtml,
     metadata,
+    semanticDocument,
     features: detectFeatures(bodyHtml),
     warnings
   };