- Add structured API response with business_info, localization, letzshop,
invoice_settings, theme_settings, domains, and stripe_info sections
- Add PUT /vendor/settings/business-info with reset_to_company capability
- Add PUT /vendor/settings/letzshop with validation for tax rates, delivery
- Add 9 settings sections: General, Business Info, Localization, Marketplace,
Invoices, Branding, Domains, API & Payments, Notifications
- Business Info shows "Inherited" badges and Reset buttons for company fields
- Marketplace section includes Letzshop CSV URLs and feed options
- Read-only sections for Invoices, Branding, Domains, API with contact support
- Add globe-alt icon for Domains section
- Document email templates architecture for future implementation
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>