I Don't Remember Which Email My Spotify Is On, So I Built This..

It happened again.. I opened Chrome, clicked a bookmark I was pretty sure was right, and landed on someone else's Leetcode dashboard. Not a stranger's but my own, just the wrong me. The wrong email, the wrong profile, the wrong version of my life that Chrome has helpfully partitioned off into its own little universe. I have at least 7 Chrome profiles. I know. I know. Don't ask me why. The thing is, it didn't start this way. It never does. You make one extra profile for work. Then one for a side project. Then one because you wanted to keep your personal Google account separate. Then somehow, four profiles later, you genuinely cannot remember which email you used to sign up for Spotify, and you're too scared to check because what if it's the one attached to an email address you no longer use. This is not a hypothetical. This was my actual life. So naturally, I did what any reasonable person does. I looked for an existing solution. The part where existing tools almost helped Chrome's buil