- Replace hardcoded strings with i18n.T translations
- Add en and es JSON locale files
- Implement custom translated help system
- Enable language detection from CLI args
- Add locale download capability
- Localize error messages throughout codebase
- Support TTS and notification translations
### CHANGES
- Introduce ensureEnvFile function to create ~/.config/fabric/.env if missing.
- Add directory creation for config path in ensureEnvFile.
- Integrate setup flag in CLI to call ensureEnvFile on demand.
- Handle errors for home directory detection and file operations.
### CHANGES
* Extract chat processing logic into separate function
* Create modular command handlers for setup, configuration, listing, management, and extensions
* Improve patterns loader with migration support and better error handling
* Simplify main CLI logic by delegating to specialized handlers
* Enhance code organization and maintainability
* Add tool processing for YouTube and web scraping functionality