Merge pull request RUC-NLPIR#19 from AlcAI-Haven/feat/harness-keyless…

…-integration

feat: keyless multi-harness integration (skills installer + MCP server + session web monitor + plugin)

ci: auto-create GitHub Release with generated notes on publish

- Add github-release job (softprops/action-gh-release) that creates a
  Release with auto-generated notes and attaches the built wheel + sdist
- Add .github/release.yml to group release notes by PR label