refactor: 收敛渲染链路共享抽象

apps/web/src/paged-document-runtime.ts

@@ -1,5 +1,9 @@
 import highlightCss from "highlight.js/styles/github.css?inline";
 import katexCss from "katex/dist/katex.min.css?inline";
+import type {
+  PagedDocumentRenderResult,
+  PagedDocumentTimings
+} from "@md-to-pdf/core";
 import { Previewer } from "pagedjs";
 import { createMermaidSiteConfig } from "./mermaid-config";
 import {
@@ -20,23 +24,10 @@ import {
 } from "./paged-preview";
 import type { PagedRenderTarget } from "./paged-render-target";
 
-export interface PagedDocumentRenderResult {
-  pageCount: number;
-  contentHeight: number;
-  mermaidErrors: string[];
-  timings: PagedDocumentTimings;
-}
-
-export interface PagedDocumentTimings {
-  setupMs: number;
-  mermaidMs: number;
-  mermaidFitMs: number;
-  mermaidConversionMs: number;
-  resourceWaitMs: number;
-  paginationMs: number;
-  finalizeMs: number;
-  totalMs: number;
-}
+export type {
+  PagedDocumentRenderResult,
+  PagedDocumentTimings
+} from "@md-to-pdf/core";
 
 export interface PagedDocumentRenderOptions {
   target: PagedRenderTarget;
@@ -364,13 +355,6 @@ export class PagedDocumentRuntime {
 
     return {
       pageCount: flow.total,
-      contentHeight: Math.ceil(
-        Math.max(
-          documentRef.documentElement.scrollHeight,
-          documentRef.body.scrollHeight,
-          this.root.scrollHeight
-        )
-      ),
       mermaidErrors,
       timings: {
         setupMs,