dio-i-changed-my-mind

The user is reversing or updating a prior decision from this conversation.

From this conversation (and artifacts already in context), reply with only:

was

<prior decision — one line>

now

<new decision — one line>

why

invalidate

• downstream item or plan that no longer applies (one line each)

Rules:

• Use the most recent relevant decision if the user did not specify which one.
• Do not re-pitch alternatives — record the supersession and adjusted plan.
• Omit ## invalidate if nothing downstream needs updating.