fix: new posts were not rendering css properly

server.js

@@ -42,6 +42,12 @@ export function normalizeObsidianMarkdown(content) {
     normalized = normalized.replace(/^(---\r?\n)/, `$1date: ${createdMatch[1].trim()}\n`);
   }
 
+  // Bridge layout -> layouts/post.njk so Obsidian notes render with the blog theme and CSS
+  const hasLayout = /^layout:\s*.+$/m.test(normalized);
+  if (!hasLayout) {
+    normalized = normalized.replace(/^(---\r?\n)/, "$1layout: layouts/post.njk\n");
+  }
+
   // 1. Convert internal attachments: ![[image.png|alt]] or ![[image.png]]
   normalized = normalized.replace(/!\[\[([^|\]]+)(?:\|([^\]]+))?\]\]/g, (match, filename, alt) => {
     const cleanFilename = path.basename(filename.trim());
@@ -130,6 +136,19 @@ export function createServer(customSiteDir, customPostsDir, customAssetsDir) {
   const assetsDir = path.resolve(customAssetsDir || path.join(process.cwd(), "src/assets/images/posts"));
   const isCustomEnv = Boolean(customSiteDir || customPostsDir || customAssetsDir);
 
+  // Ensure default directory data file exists for layout inheritance
+  try {
+    if (!fs.existsSync(postsDir)) {
+      fs.mkdirSync(postsDir, { recursive: true });
+    }
+    const postsJsonPath = path.join(postsDir, "posts.json");
+    if (!fs.existsSync(postsJsonPath)) {
+      fs.writeFileSync(postsJsonPath, JSON.stringify({ layout: "layouts/post.njk" }, null, 2));
+    }
+  } catch (err) {
+    console.warn("[Server] Could not initialize posts.json directory data file:", err.message);
+  }
+
   return http.createServer(async (req, res) => {
     // Standard security headers
     res.setHeader("X-Content-Type-Options", "nosniff");