/summarize-changes

Context

• Current branch: !git branch --show-current
• Default branch: !git remote show origin 2>/dev/null | grep 'HEAD branch' | cut -d' ' -f5 || echo "main"
• Today's commits: !git log --oneline --since="midnight" --author="$(git config user.email)" 2>/dev/null || echo "No commits today"
• This week's commits: !git log --oneline --since="1 week ago" --author="$(git config user.email)" 2>/dev/null | head -20 || echo "No commits this week"
• Branch commits (vs main): !git log --oneline $(git remote show origin 2>/dev/null | grep 'HEAD branch' | cut -d' ' -f5 || echo "main")..HEAD 2>/dev/null | head -20 || echo "No branch commits"
• Files changed on branch: !git diff --stat $(git merge-base HEAD origin/$(git remote show origin 2>/dev/null | grep 'HEAD branch' | cut -d' ' -f5 || echo "main"))..HEAD 2>/dev/null | tail -5 || echo "No changes"

Task

Generate a clear, concise summary based on the scope:

1. today: What I did today (for standup)
2. week: Weekly summary (for reports)
3. branch: All changes on this branch (for PR)
4. pr: Full PR description with sections

Format the output as:

• Summary: 1-2 sentence overview
• Changes: Bullet list of key changes
• Files: Main files affected
• Impact: What this enables or fixes

Scope: $ARGUMENTS