* feat: Support custom response language
* fix: Add default values for response language in config-manager.js
* chore: Update configuration file and add default response language settings
* feat: Support MCP/CLI custom response language
* chore: Update test comments to English for consistency
* docs: Auto-update and format models.md
* chore: fix format
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Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: Ralph Khreish <35776126+Crunchyman-ralph@users.noreply.github.com>