v0.8.1

What changed

• Add direct Claude Code marketplace installation alongside the existing Codex and skills paths.
• Keep Claude Code installations on the native plugin updater and include the exact update commands in version notices and documentation.
• Validate Claude marketplace metadata, version sync, and packaged skill paths in the main test suite.
• Refresh the gallery with new Thousand Brains examples.

Validation

• npm test
• npm run smoke
• npm run gallery:check
• Claude Code strict manifest validation and isolated marketplace installation
• GitHub Actions on Node.js 22 and 24 plus runtime smoke