trace-to-skill v0.1.23

Ships the Codex-native codex-readiness-auditor skill alongside the CLI and GitHub Action. The skill guides agents through deterministic repository readiness audits, untrusted input handling, scorecard evidence, and maintainer-review gates.\n\nAlso includes v0.1.22 prompt-injection detection and the 6-case public benchmark.\n\nVerified with npm run check, YAML parsing, git diff --check, npm pack dry-run, tarball smoke, GitHub CI, and Codex Readiness.