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

backend/src/index.js

@@ -110,6 +110,10 @@ app.use('/api/roles', authenticateToken, rolesRouter);
 const inviteRouter = require('./routes/invite');
 app.use('/api/invite', authenticateToken, inviteRouter);
 
+// Watcher routes (geschützt) - MIT ID-Hashing
+const watcherRouter = require('./routes/watcher');
+app.use('/api/watcher', authenticateToken, watcherRouter);
+
 // Error handling middleware
 app.use((err, req, res, next) => {
   console.error(err.stack);