Allows reparenting issues to a different epic/parent: bd update bd-xyz --parent=bd-epic Implementation: - Add Parent field to UpdateArgs in protocol.go - Handle reparenting in RPC handler (server_issues_epics.go) - Add --parent flag to updateCmd with both daemon and direct mode support - Remove old parent-child dependency before adding new one - Pass empty string to remove parent entirely 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>