vendor_themes.py: - Return ThemePresetListResponse instead of raw dict (API-001 fix) - Add ThemePresetResponse response_model to apply_theme_preset - Add ThemeDeleteResponse response_model to delete endpoint vendor_domain.py: - Remove _get_vendor_by_id helper with direct DB query - Use vendor_service.get_vendor_by_id() instead (API-002 fix) models/schema/vendor_theme.py: - Add ThemeDeleteResponse model for delete endpoint response 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>