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It seems you've sometimes considered it a kind of personal attack, but I certainly didn't intend it to be one here - I mentioned it out of genuine concern for the poster's well-being.
We can't add things like that to the guidelines because there are too many of them. I posted a bit about this yesterday: https://news.ycombinator.com/item?id=38620847 - if it helps at all.
Going to see a psychiatrist for $300+/hr seems a bit extreme. A better first step would be to document the phenomena, so if it occurs again you can convince others that you're not at fault. For instance, having a screen recorder on 24/7 so you can rewind back and see what actions you took. Or if you're paranoid that your machine is backdoored, printing of screenshots of the diffs in the CL, reviewing the hardcopy to verify they're good, and then putting it in a safe place.
the paranoia was part of why I suggested the psych, though. tampering with a submitted CL would require access to the SCM's database, then to rewrite history, as well as changing the code. that requires a conspiracy. and for what? to undermine someone's career? I could see a major intelligence agency pulling it off to sneak in a backdoor or something, not some coworker trying to get ahead.