chore(atomic): migrate atomic-commerce-interface to Lit

[fpbrault]

[Component Name] Component Specification

📝 Requirements

The [component-name] component is designed to [brief description of the component's purpose].

• [Requirement 1]: [Brief description of the first requirement]
• [Requirement 2]: [Brief description of the second requirement]

♿ Accessibility

• [Description of accessibility considerations, such as ARIA roles, keyboard navigation, etc.]

⚡ Performance & Security (if applicable)

• [Description of performance considerations, such as asynchronous operations, lazy loading, etc.]
• [Description of security considerations, such as sanitization, preventing XSS attacks, etc.]

⚠️ Risks and Challenges (if applicable)

• [Risk or challenge 1]
• [Risk or challenge 2]

---

✅ Checklist

• 🧪 The component is unit tested
• 🧪 The component includes E2E tests
• ♿ The component complies with the Web Content Accessibility Guidelines.
• 🌐 All strings intended for humans or assistive technology must be localized with i18n.
• 📦 The Lit component is exported in the appropriate index.ts and lazy-index.ts files.
• 🎨 CSS parts are documented still accessible.
• 🦥 Slotted Content, public methods and properties are documented

https://coveord.atlassian.net/browse/KIT-[____]

[github-actions]

Pull Request Report

PR Title

✅ Title follows the conventional commit spec.

Live demo links

• Storybook

• Playwright report

Bundle Size

File	Old (kb)	New (kb)	Change (%)
case-assist	243.7	243.7	0
commerce	355.1	355.1	0
search	415	415	0
insight	406.2	406.2	0
recommendation	255.9	255.9	0
ssr	408.8	408.8	0
ssr-commerce	372.9	372.9	0