Code review fixes for critical issues: - Wrap all DELETEs in a transaction with rollback on error - Create .pre-repair backup before any destructive operations - Mark parent issues as dirty when deleting orphaned depends_on refs - Fix misleading PreRun comment 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>