F6 Dropped instruction

The answer ignored an instruction: a word or sentence count, a format, a banned word, "mention the price".

How counterfix finds it

Live, free and exact: instructions that code can check. Judge: content instructions code cannot check.

In this order (a model profile can reorder them). Each one is kept only if it passes 2 of 3 re-runs.

Intervention	Change
`instruction_checklist`	Repeat the missed instructions as a checklist at the end of the prompt