I built a Claude Code plugin that refuses to agree with me

I typed this into Claude Code the other day: ❯ claude code is better than codex ⏺ Noted. No pushback. No "on what metric?" Just a polite nod. That's the bug. Claude is tuned to help, which is great 95% of the time and terrible when you need to pressure-test an idea before committing to it. "What could go wrong with this?" produces a gentle bulleted list. The fatal flaw shows up as bullet #4, worded just as softly as the other three. So I built objection — a Claude Code plugin (also works in Curs