Pricing grid redesign: implement variant5

[dlind1]

Fixes DOTCOM-17773

Proposed Changes

• Show the new design for the Commerce card in onboarding for four_plan_new_description variant.

Why are these changes being made?

• Part of the pricing grid redesign.

Testing Instructions

• Assign yourself to the four_plan_new_description variant and navigate to /setup/onboarding.
• Confirm that new Commerce card appears on the bottom and matches the Figma design.

Pre-merge Checklist

• Has the general commit checklist been followed? (PCYsg-hS-p2)
• Have you written new tests for your changes?
• Have you tested the feature in Simple (P9HQHe-k8-p2), Atomic (P9HQHe-jW-p2), and self-hosted Jetpack sites (PCYsg-g6b-p2)?
• Have you checked for TypeScript, React or other console errors?
• For UI changes, have you tested the affected components in dark mode?
• Have you tested accessibility for your changes? Ensure the feature remains usable with various user agents (e.g., browsers), interfaces (e.g., keyboard navigation), and assistive technologies (e.g., screen readers) (PCYsg-S3g-p2).
• Have you used memoizing on expensive computations? More info in Memoizing with create-selector and Using memoizing selectors and Our Approach to Data
• Have we added the "[Status] String Freeze" label as soon as any new strings were ready for translation (p4TIVU-5Jq-p2)?
  • For UI changes, have we tested the change in various languages (for example, ES, PT, FR, or DE)? The length of text and words vary significantly between languages.
• For changes affecting Jetpack: Have we added the "[Status] Needs Privacy Updates" label if this pull request changes what data or activity we track or use (p4TIVU-aUh-p2)?

[github-actions]

Calypso Live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-187640

Jetpack Cloud Live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-187640&env=jetpack

Automattic for Agencies Live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-187640&env=a8c-for-agencies

Dashboard Live (dotcom) (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-187640&env=dashboard

Dashboard Live (A4A) (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-187640&env=dashboard-a4a

[Copilot]

Pull request overview

Implements the “variant5” pricing grid redesign for the WooCommerce/Commerce bottom plan card shown during onboarding (four_plan_new_description variant), including updated visuals and layout sizing logic in the plans-grid-next package.

Changes:

• Adds a redesigned WooCommerce bottom plan card with new imagery, copy, and CTA override.
• Updates features grid layout/classes and SCSS to support the new bottom card sizing and visuals across breakpoints.
• Introduces .webp TypeScript module typing for the plans-grid-next package and removes the old WooCommerce title override from PlansFeaturesMain.

Reviewed changes

Copilot reviewed 5 out of 8 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
packages/plans-grid-next/src/components/shared/action-button/index.tsx	Adds support for overriding button label/aria label (used by the new Commerce CTA).
packages/plans-grid-next/src/components/features-grid/style.scss	Styles the redesigned WooCommerce bottom card and adjusts layout sizing when a bottom card is present.
packages/plans-grid-next/src/components/features-grid/index.tsx	Adds a column-count class to support bottom-card max-width logic.
packages/plans-grid-next/src/components/features-grid/bottom-plan-card.tsx	Implements the new WooCommerce bottom card markup, copy, CTA text override, and visuals.
packages/plans-grid-next/src/assets.d.ts	Adds TS module declaration for importing .webp assets.
client/my-sites/plans-features-main/index.tsx	Removes the old WooCommerce bottom-card title override (now handled in the card component).

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[a8ci18n]

This Pull Request is now available for translation here: https://translate.wordpress.com/deliverables/34260153

Some locales (Hebrew) have been temporarily machine-translated due to translator availability. All other translations are usually ready within a few days. Untranslated and machine-translated strings will be sent for translation next Monday and are expected to be completed by the following Friday.

Thank you @dlind1 for including a screenshot in the description! This is really helpful for our translators.