fix: Update fumadocs source mapping and add debugging for routes

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

apps/site/app/docs/[[...slug]]/page.tsx

@@ -17,10 +17,10 @@ export default async function Page({
   const page = source.getPage(slug);
   if (!page) notFound();
 
-  const MDX = page.data.body;
+  const MDX = (page.data as any).body;
 
   return (
-    <DocsPage toc={page.data.toc} full={page.data.full}>
+    <DocsPage toc={(page.data as any).toc} full={(page.data as any).full}>
       <DocsTitle>{page.data.title}</DocsTitle>
       <DocsDescription>{page.data.description}</DocsDescription>
       <DocsBody>
@@ -46,3 +46,4 @@ export async function generateMetadata(props: {
     description: page.data.description,
   };
 }
+

apps/site/lib/source.ts

@@ -1,8 +1,27 @@
-import { docs } from '@/.source';
 import { loader } from 'fumadocs-core/source';
-import { createMDXSource } from 'fumadocs-mdx';
+import { docs } from '@/.source';
+
+// Map the docs from .source to the format expected by loader
+const mappedDocs = docs
+  .filter((doc: any) => doc && doc.info && doc.info.path)
+  .map((doc: any) => {
+    let path = doc.info.path.replace(/\.mdx?$/, '');
+    // Convert index.mdx to empty path
+    if (path === 'index') path = '';
+    
+    return {
+      type: 'page' as const,
+      path,
+      data: {
+        ...doc.data,
+        body: doc.data.default,
+      },
+    };
+  });
 
 export const source = loader({
   baseUrl: '/docs',
-  source: createMDXSource(docs, []),
+  source: {
+    files: mappedDocs,
+  },
 });