Recall the last time you made a mistake — did you notice it immediately or not, and how was everything?

Errors in working with the frontend often occur due to typos or incorrect component states. The last time I noticed an error not immediately — initially, the application behaved strangely but without obvious failures. After carefully reviewing the console and logs, I found that one of the variables was not updating properly due to an asynchronous operation. By fixing the order of calls and adding loading state handling, I resolved the issue. This experience teaches me to always check asynchronous processes and component states, as well as to use debugging tools.