- Add publish script with env validation, git checks, and build/test/pack preflights
- Add comprehensive test suite for publish workflow (302 lines)
- Update cli/package.json with @astron-team scope and full npm metadata
- Add README.md with user-focused documentation and registry info
- Add .env.example template for publish configuration
- Add Apache 2.0 LICENSE
- Add Makefile targets for build/test/lint/typecheck/publish workflows
- All publish targets include .env.local validation
- Update installation instructions across all documentation to use @astron-team/skillhub
