It was both Opus and Sonnet, actually. You ask it to add some feature, clonky goes

    // use configuration to support previous database scheme
    // json_data = parse_blah_scheme_yadda ...

You, like, "what are you doing??!! What previous version, there is no previous version!!!"

And it, like, "You are absolutely right! This is an excellent observation! Let me implement this optimization right away!"

    // Optimize feature loading by skipping scheme conversion, because previous version data does not exist!!!
    json_data = parse_blah_do_not_scheme_yadda

And you, like, facetable and crycry