feat: add more roles (tech_lead, scrum_master, product_owner, designer, qa)

- Registration form: added 5 new role options to dropdown
- Sidebar: new roles get proper nav access via ALL_ROLES/LEADER_ROLES
- Dashboard: isLeader check expanded to include new leadership roles
- Shared/Pages: role badge colors added for all new roles
- Invite modal: expanded role dropdown

server/index.js

@@ -19,17 +19,24 @@ app.get('/api/health', (_req, res) => {
     res.json({ status: 'ok', timestamp: new Date().toISOString() });
 });
 
+// Initialize DB and start server
 // Initialize DB and start server
 async function start() {
     try {
         await initDB();
-        app.listen(PORT, () => {
-            console.log(`🚀 Backend server running on port ${PORT}`);
-        });
+        if (process.env.NODE_ENV !== 'test') {
+            app.listen(PORT, () => {
+                console.log(`🚀 Backend server running on port ${PORT}`);
+            });
+        }
     } catch (err) {
         console.error('❌ Failed to start server:', err);
         process.exit(1);
     }
 }
 
-start();
+if (process.env.NODE_ENV !== 'test') {
+    start();
+}
+
+export { app, start };