Sessions 5-7a: 955 tests, deployment ready

src/server.js

@@ -1,7 +1,10 @@
 const app = require('./app');
 
-const PORT = process.env.PORT || 3000;
+// Default 3001 — Next.js owns 3000 locally and in production. The poller,
+// internal cron, and BASE_URL conventions all assume 3001 for the Express
+// backend. PORT env still overrides for special-case deploys.
+const PORT = process.env.PORT || 3001;
 
 app.listen(PORT, () => {
-  console.log(`[BetonBLK] Server running on port ${PORT}`);
+  console.log(`[VYNDR] Server running on port ${PORT}`);
 });