I would say Opus 4.7 no longer understand the Software Dev Lifecycle - but I'd go further to say it no longer understands what the order of operations are in relation to real-world time.
And now, Opus 4.7 has just flagged a discussion about business funding strategy as being potentially harmful and ended the chat. What on earth??
These will need to be extracted, but it should not be necessary.
Opus 4.6 understood its role, and got on with it.
4.7 feels like I have to get lawyers in to negotiate on what is or is not a valid specification while the LLM just shouts "YAGNI" and sits down for a cup of tea.