Bulletproof Watchers in Vue (no more leaks or duplicate effects)

I just published a quick guide on making Vue watchers truly bulletproof. It shows how to stop memory leaks and duplicated effects with onCleanup, what changed in Vue 3.5 with onWatcherCleanup, and how to extract reusable cleanup helpers so your watchers stay clean and reliable. If you've ever seen stale API results or "ghost" event handlers, this will save you headaches. Read the article here: Bulletproof Watchers in Vue​ — Michael

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