Agent Security Kit v0.1.0

Initial public release of Agent Security Kit.\n\nIncludes reusable guardrails for Hermes, OpenClaw, and Claude Code: egress guards, safe terminal hooks, publish gates, workspace scanners, secret-store loaders, memory encryption, sanitized backups, commit hygiene helpers, staging scans, self-review/context prompts, and CI smoke tests.\n\nValidation:\n- scripts/publish-check.sh passed locally\n- GitHub Actions Smoke Test passed on main