- Added comprehensive YAML frontmatter schema to summary.md template - Frontmatter includes dependency graph (requires/provides/affects), subsystem, tech tracking, key files - Added frontmatter population guidance to execute-phase.md - Enables intelligent summary selection via dependency graph scanning 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>