update-instructions

Read the changes introduced on the current branch, including BOTH:

1. Uncommitted workspace modifications (staged and unstaged)
2. Committed changes that are on the current HEAD but not yet in the default upstream branch (e.g. origin/main)

Guidance:

• First, capture uncommitted diffs (equivalent of git diff and git diff --cached).
• Then, determine the merge base with the default branch (assume origin/main unless configured otherwise) using git merge-base HEAD origin/main and diff (git diff <merge-base>...HEAD) to include committed-but-unpushed work.

After understanding all of these changes, read every instruction file under .github/instructions and assess whether any instruction is invalidated. If so, propose minimal, necessary wording updates. If no updates are needed, respond exactly with: No updates needed.

Be concise and conservative: only suggest changes that are absolutely necessary.