v1.13.0

Bug Fixes

• Allow optional frontmatter fields in SKILL.md validation (e4393cb), closes #21146856119
• changelog: prevent regeneration from losing intermediate releases (b81b57d)
• restore release version source (dedicated version.json) (77db3a3)
• revert conventional-changelog-action to v5 due to tag detection bug (9ba8215)

Features

• add terraform-ls code intelligence guidance (7ad926c)
• Added plugin install command to docs (c400b18)
• code-intelligence: cross-reference code-intelligence plugin + host setup (#27) (908d562)
• codex: add plugin manifest (#23) (cfbafe4)
• Enhance skill with comprehensive best practices from original guide (f32fc3b)
• umbrella update (plugin autodiscovery, full skill rewrite, LLM hallucination guards, fact-checks) (#14) (deba6e8)