Fix: Use Express static middleware for assets, remove redundant handler

manifest.yaml

@@ -25,11 +25,6 @@ routes:
     method: GET
     handler: serveEditor
   
-  # Static assets route
-  - path: /assets/:filepath
-    method: GET
-    handler: serveAssets
-  
   # API routes for pages
   - path: /api/pages
     method: GET

server.js

@@ -79,6 +79,7 @@ app.use('/api/pages', createPagesRouter());
 app.get('/preview/:id', previewPage);
 
 // Serve static assets (Vite build outputs)
+// Note: BOSA forwards /bp_wb/assets/* to this plugin, so Express receives /assets/*
 app.use('/assets', express.static(path.join(__dirname, 'dist', 'assets')));
 
 async function serveEditor(req, res) {
@@ -86,13 +87,6 @@ async function serveEditor(req, res) {
   res.sendFile(indexPath);
 }
 
-async function serveAssets(req, res) {
-  // Extract filepath parameter (everything after /assets/)
-  const filepath = req.params.filepath || req.path.replace('/assets/', '');
-  const assetPath = path.join(__dirname, 'dist', 'assets', filepath);
-  res.sendFile(assetPath);
-}
-
 async function previewPage(req, res) {
   try {
     const pageId = req.params.id;