Add --add-dir guidance for privacy-guard PERSON.md access

Release v0.2.3

Move build tooling to plugin/src/, remove version script

Bump version to 0.2.1

Vendor skill-author from echoskill, update setup-agent-context

Fix stale --check reference in aggregator pattern docs

Restructure repo: assets/plugin/src/dist separation, claude-coder agent, test tiers

Clean safe-commit skill of internal implementation details

Rewrite safe-commit: commit-first SHA-anchored workflow

Remove dead agents and skills, clean up references

Reframe cert chain: PostToolUse is the security gate

Update cert chain design with empirical hook findings

Add scan certification chain design and safe-commit skill update

Add safe-commit skill for privacy-gated commit workflow

Remove stale skill references and update test commands