Enhance task synchronization and logging; update service worker caching strategy

routes/tasks.js

@@ -52,13 +52,13 @@ router.post('/add-task', auth, async (req, res) => {
   - State "TODO" from "TODO" [${currentDateTime}]
   :END:
 `;
-        logger.info(`Task added: ${orgFormattedData}`);
     }
 
     const filePath = path.join(dataDir, 'tasks.org');
     try {
         await fs.promises.appendFile(filePath, orgFormattedData);
         res.json({ message: 'Task added successfully' });
+        logger.info(`Task added: ${orgFormattedData}`);
     } catch (error) {
         logger.error('Error writing to tasks.org file:', error);
         res.status(500).json({ message: 'Error adding task' });