Rebrand project from sunstone to solstone master
Complete project rename with all references updated to lowercase "solstone": - Package name and entry point in pyproject.toml - GitHub URLs updated to solpbc/solstone - File rename: think/sunstone.py → think/solstone.py - Function rename: convert_revai_to_sunstone → convert_revai_to_solstone - Environment variables: SUNSTONE_MCP_* → SOLSTONE_MCP_* - State directory: ~/.local/state/sunstone → ~/.local/state/solstone - LocalStorage key: sunstone:notification_history → solstone:notification_history - All documentation and agent persona files updated - Fixed entry point filter to include observe.* and muse.* packages 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>