On task detail page, query git log for commits with Task-Id: <task-id> in trailer.
Display:
- Commit hash (short, linked to full diff view)
- Commit message summary
- Author and date
- Files changed count
Implementation:
- Run: git log --pretty=format:'%H|%s|%an|%ar' --grep='Task-Id: <id>'
- Parse output in handler
- Render as list with links to /tasks/<id>/diff/<commit>