You didn't set risk-tiered approval gates, so I fix a typo and drop a production table with the same autonomy
In one sentence: you turned on autonomous execution for me but never spelled out "which actions I may take directly, and which I must ask you about first." So I drop database tables, change production config, and fire off outbound requests with the same casualness I'd use to fix a typo—not out of malice, but because you never handed me a ruler graded by risk, so I treated "I can do it automatically" as "I should do it automatically."