Update docs/private submodule: Phase 21.2-21.5 planning

Phase 21.2-21.5計画ドキュメント追加
- Phase 21.2: VM Adapter正規実装(完了)
- Phase 21.3-21.5: Checker/Parser/Integration計画

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
nyash-codex
2025-11-07 19:33:35 +09:00
parent 301b1d212a
commit b8fbbafc0c