feat(atomic): migrate product section stories to MSW

[alexprudhomme]

Problem

Commerce product section stories lack MSW (Mock Service Worker) API mocking, making them dependent on real API calls during testing.

Solution

Add MockCommerceApi handlers to all 9 product section component stories:

• atomic-product-section-name
• atomic-product-section-visual
• atomic-product-section-metadata
• atomic-product-section-description
• atomic-product-section-emphasized
• atomic-product-section-actions
• atomic-product-section-badges
• atomic-product-section-bottom-metadata
• atomic-product-section-children

Each story now:

• Instantiates MockCommerceApi harness
• Registers MSW handlers via parameters.msw
• Clears endpoints in beforeEach for test isolation

[changeset-bot]

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Latest commit: 48d833c

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commit: 48d833c

[chromatic-com]

Important

Testing in progress…

🟢 UI Tests: 366 tests unchanged
⏳ UI Review: Comparing 366 stories…
Storybook Publish: 366 stories published

[Copilot]

Pull request overview

This PR migrates the Atomic commerce product section Storybook stories to use MSW-backed API mocking so they no longer depend on real commerce API calls during Storybook runs and automated story tests.

Changes:

• Added a MockCommerceApi harness to each product section story file.
• Registered the harness handlers via parameters.msw.handlers for Storybook/MSW integration.
• Reset mock endpoint state per run via beforeEach calling clearAll() to improve isolation.

Reviewed changes

Copilot reviewed 9 out of 9 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
packages/atomic/src/components/commerce/atomic-product-section-visual/atomic-product-section-visual.new.stories.tsx	Adds MockCommerceApi handlers + per-run reset for the visual section story.
packages/atomic/src/components/commerce/atomic-product-section-name/atomic-product-section-name.new.stories.tsx	Adds MSW commerce API mocking and clears mocks before each run.
packages/atomic/src/components/commerce/atomic-product-section-metadata/atomic-product-section-metadata.new.stories.tsx	Adds MSW commerce API mocking and clears mocks before each run.
packages/atomic/src/components/commerce/atomic-product-section-emphasized/atomic-product-section-emphasized.new.stories.tsx	Adds MSW commerce API mocking and clears mocks before each run.
packages/atomic/src/components/commerce/atomic-product-section-description/atomic-product-section-description.new.stories.tsx	Adds MSW commerce API mocking and clears mocks before each run (while keeping its custom engine preprocessing).
packages/atomic/src/components/commerce/atomic-product-section-children/atomic-product-section-children.new.stories.tsx	Adds MSW commerce API mocking and clears mocks before each run.
packages/atomic/src/components/commerce/atomic-product-section-bottom-metadata/atomic-product-section-bottom-metadata.new.stories.tsx	Adds MSW commerce API mocking and clears mocks before each run.
packages/atomic/src/components/commerce/atomic-product-section-badges/atomic-product-section-badges.new.stories.tsx	Adds MSW commerce API mocking and clears mocks before each run.
packages/atomic/src/components/commerce/atomic-product-section-actions/atomic-product-section-actions.new.stories.tsx	Adds MSW commerce API mocking and clears mocks before each run.