* Move ConfigManager, SettingsManager, and FileManager from setup/core to setup/managers with new init.py for cleaner organization.
* Update SettingsManager with enhanced metadata handling methods and installation detection utilities.
- Add shell=True parameter to subprocess.run() calls on Windows platform
- Fixes issue #128 where Claude CLI, Node.js, and npm were not detected in PowerShell
- Affects validator.py and mcp.py components for better Windows compatibility
- Resolves PowerShell PATH inheritance issues with Python subprocess
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Separate SuperClaude metadata from Claude Code settings.json
- Create .superclaude-metadata.json for framework-specific data
- Fix JSON validation issues with settings management
- Update all components to use proper metadata storage
- Maintain compatibility with Claude Code settings format
- Add migration support for existing installations
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
