Enhance logging for unauthorized access and task/tag operations; remove unused debug statement

routes/tasks.js

@@ -52,6 +52,7 @@ 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');
@@ -71,6 +72,7 @@ router.post('/save-tags', auth, async (req, res) => {
     try {
         await fs.promises.writeFile(filePath, JSON.stringify(tags));
         res.send({ message: 'Tags saved successfully!' });
+        logger.info(`New tags saved: ${tags}`);
     } catch (err) {
         logger.error('Error saving tags:', err);
         res.status(500).send('Error saving tags.');