A backlog item is ready when someone else can build it without guessing.
A backlog item is ready for a number when the team can name the fact that would change it. A checklist that demands finished screens first is a gate, not a refinement.
GitHub's Copilot app now carries the Jira issue you choose into the pull request. Four lines — outcome, exclusions, proof, repository — decide whether you assign Copilot.
Coding agents can turn CI green without doing the change you meant. A guide to tickets that name what must change, what must stay, what must disappear, and what evidence would prove it.
Acceptance criteria and a ticket the team can build.