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name: pr-summary description: "Generate a PR title and description from the branch diff vs main. Use when asked for a PR summary or PR description."

PR Summary

Workflow

• Fetch origin if needed and compute merge base: base=$(git merge-base HEAD origin/main).
• Review git diff --stat $base and key file diffs.
• Draft a PR title and short body that explain what changed and why.
• Include tests run or targeted test recommendations and any risks.