Add export routes to backend and frontend; implement routing and UI components for data export management

backend/src/index.js

@@ -114,6 +114,10 @@ app.use('/api/invite', authenticateToken, inviteRouter);
 const watcherRouter = require('./routes/watcher');
 app.use('/api/watcher', authenticateToken, watcherRouter);
 
+// Export routes (geschützt) - MIT ID-Hashing
+const exportRouter = require('./routes/export');
+app.use('/api/export', authenticateToken, exportRouter);
+
 // Error handling middleware
 app.use((err, req, res, next) => {
   console.error(err.stack);