- Update .gitmodules: ztools, silo, and OndselSolver now reference
public git.kindred-systems.com URLs instead of internal Gitea
- Merge OndselSolver numerical solver with ML solver scaffolding
into unified kindred/solver repository
- Rewrite README.md for conciseness
- Add docs/CI_CD.md with full pipeline documentation
- Rework CI/CD workflows for public dockerized runners
- Add multi-platform release builds (Linux, macOS, Windows)
- Release workflow triggers on v* tags only
- Update docs/REPOSITORY_STATE.md and docs/INTEGRATION_PLAN.md
