Fix Renovate Failures

Outcome

Get a Renovate dependency-upgrade PR back to green CI with the smallest correct change and clear verification evidence.

Inputs

• Primary input: PR number or PR URL.
• If no input is provided:
  1. Use GitHub MCP tools to find Renovate-authored PRs updated in last 14 days with failing checks.
  2. Prefer the PR whose head branch best matches the current branch.
  3. If multiple candidates remain, ask the user to choose one PR before continuing.

User Prompting Rules