feat(baoyu-post-to-wechat,baoyu-post-to-weibo,baoyu-post-to-x): cascade Mermaid PNG preprocessing into publishing pipelines

skills/baoyu-post-to-weibo/SKILL.md

@@ -1,7 +1,7 @@
 ---
 name: baoyu-post-to-weibo
 description: Posts content to Weibo (微博). Supports regular posts with text, images, and videos, and headline articles (头条文章) with Markdown input via Chrome CDP. Use when user asks to "post to Weibo", "发微博", "发布微博", "publish to Weibo", "share on Weibo", "写微博", or "微博头条文章".
-version: 1.56.1
+version: 1.57.0
 metadata:
   openclaw:
     homepage: https://github.com/JimLiu/baoyu-skills#baoyu-post-to-weibo

skills/baoyu-post-to-weibo/scripts/md-to-html.ts

@@ -8,6 +8,7 @@ import {
   extractTitleFromMarkdown,
   parseFrontmatter,
   pickFirstString,
+  preprocessMermaidInMarkdown,
   renderMarkdownDocument,
   replaceMarkdownImagesWithPlaceholders,
   resolveColorToken,
@@ -16,6 +17,7 @@ import {
   serializeFrontmatter,
   stripWrappingQuotes,
 } from "baoyu-md";
+import { closeRenderer, renderMermaidToPng } from "baoyu-chrome-cdp/mermaid";
 
 interface ImageInfo {
   placeholder: string;
@@ -69,8 +71,27 @@ export async function parseMarkdown(
     || pickFirstString(frontmatter, ["featureImage", "cover_image", "coverImage", "cover", "image"])
     || null;
 
+  const { markdown: mermaidProcessedBody, images: mermaidImages } =
+    await preprocessMermaidInMarkdown(body, {
+      baseDir,
+      renderFn: renderMermaidToPng,
+      onError: (error, block) => {
+        const message = error instanceof Error ? error.message : String(error);
+        console.error(
+          `[md-to-html] mermaid render failed (${block.code.slice(0, 40).replace(/\s+/g, " ")}…): ${message}`,
+        );
+      },
+    });
+
+  if (mermaidImages.length > 0) {
+    const fresh = mermaidImages.filter((image) => !image.cached).length;
+    console.error(
+      `[md-to-html] mermaid: ${mermaidImages.length} block(s), ${fresh} rendered, ${mermaidImages.length - fresh} cached`,
+    );
+  }
+
   const { images, markdown: rewrittenBody } = replaceMarkdownImagesWithPlaceholders(
-    body,
+    mermaidProcessedBody,
     "WBIMGPH_",
   );
   const rewrittenMarkdown = `${serializeFrontmatter(frontmatter)}${rewrittenBody}`;
@@ -163,8 +184,12 @@ Options:
 }
 
 if (import.meta.main ?? (process.argv[1] && path.resolve(process.argv[1]) === path.resolve(import.meta.filename ?? ""))) {
-  await main().catch((error) => {
+  try {
+    await main();
+  } catch (error) {
     console.error(`Error: ${error instanceof Error ? error.message : String(error)}`);
-    process.exit(1);
-  });
+    process.exitCode = 1;
+  } finally {
+    await closeRenderer();
+  }
 }