3 Duplicate Instagram Posts in 8 Hours: Anatomy of a False-Negative Success Check

I went from ¥100k/month as a student, to ¥600k juggling side gigs, to zero after a layoff, and then spent six months building an autonomous Claude Code environment that brought me back to ¥1.2M/month. What I learned along the way wasn't a string of automation wins. It was a pile of lessons about what happens when automation breaks. On August 28,...