Fix homepage API 500 by using axios baseURL and stable paginate.

Replace self-proxy with direct SSR baseURL, rewrite blog post pagination with async/await, pin mongoose-paginate-v2, and add API error logging.

Co-authored-by: Cursor <cursoragent@cursor.com>

server/index.js

@@ -25,6 +25,14 @@ app.use('/public', Public)
 app.use('/auth', auth)
 app.use('/admin', isAdmin, admin)
 
+app.get('/health', (req, res) => {
+  res.json({ ok: true })
+})
+
+app.use((err, req, res, next) => {
+  console.error('Express error:', req.method, req.originalUrl, err?.message || err)
+  res.status(500).json({ message: err?.message || 'Internal Server Error' })
+})
 
 // Export the server middleware
 module.exports = {