Add two new implementation workflows for the Scrum Master agent:
- epic-execute: Sequential story execution with isolated dev/review phases
- epic-chain: Multi-epic execution with dependency detection
Includes orchestration scripts and SM agent menu items.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>