* Feat: Implemented advanced settings for Claude Code AI provider
- Added new 'claudeCode' property to default config
- Added getters and validation functions to 'config-manager.js'
- Added new 'isEmpty' utility to 'utils.js'
- Added new constants file 'commands.js' for AI_COMMAND_NAMES
- Updated Claude Code AI provider to use new config functions
- Updated 'claude-code-usage.md' documentation
- Added 'config-manager.test.js' tests to cover new settings
* chore: run format
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Co-authored-by: Ralph Khreish <35776126+Crunchyman-ralph@users.noreply.github.com>