addToCartWorkflow return type

[gladius882]

Summary

What — What changes are introduced in this PR?

addToCartWorkflow now return created line items instead of void

Why — Why are these changes relevant or necessary?

This change allow to easier operate on the returned line items instead of retrieving it manually.

How — How have these changes been implemented?

Edit of addToCartWorkflow return statement

Testing — How have these changes been tested, or how can the reviewer test the feature?

Please provide answer here

---

Examples

Provide examples or code snippets that demonstrate how this feature works, or how it can be used in practice.
This helps with documentation and ensures maintainers can quickly understand and verify the change.

const lineItems = await addToCartWorkflow(container).run( { ... } )

// before changes lineItems is void
// after changes lineItems contains created items

---

Checklist

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• I have added a changeset for this PR
  • Every non-breaking change should be marked as a patch
  • To add a changeset, run yarn changeset and follow the prompts
• The changes are covered by relevant tests
• I have verified the code works as intended locally
• I have linked the related issue(s) if applicable

---

Note

addToCartWorkflow now returns the created line items instead of void.

• Core Flows:
  • add-to-cart workflow (packages/core/core-flows/src/cart/workflows/add-to-cart.ts):
    • Return createdLineItems via new WorkflowResponse(createdLineItems, ...) (previously returned void).
    • Update usage example to reflect new return value.
• Changeset: Add patch entry for @medusajs/core-flows.

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[changeset-bot]

🦋 Changeset detected

Latest commit: 167d44d

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 74 packages

Name	Type
@medusajs/core-flows	Patch
@medusajs/medusa	Patch
integration-tests-http	Patch
@medusajs/test-utils	Patch
@medusajs/medusa-oas-cli	Patch
@medusajs/analytics	Patch
@medusajs/api-key	Patch
@medusajs/auth	Patch
@medusajs/caching	Patch
@medusajs/cart	Patch
@medusajs/currency	Patch
@medusajs/customer	Patch
@medusajs/file	Patch
@medusajs/fulfillment	Patch
@medusajs/index	Patch
@medusajs/inventory	Patch
@medusajs/link-modules	Patch
@medusajs/locking	Patch
@medusajs/notification	Patch
@medusajs/order	Patch
@medusajs/payment	Patch
@medusajs/pricing	Patch
@medusajs/product	Patch
@medusajs/promotion	Patch
@medusajs/region	Patch
@medusajs/sales-channel	Patch
@medusajs/settings	Patch
@medusajs/stock-location	Patch
@medusajs/store	Patch
@medusajs/tax	Patch
@medusajs/user	Patch
@medusajs/workflow-engine-inmemory	Patch
@medusajs/workflow-engine-redis	Patch
@medusajs/draft-order	Patch
@medusajs/oas-github-ci	Patch
@medusajs/cache-inmemory	Patch
@medusajs/cache-redis	Patch
@medusajs/event-bus-local	Patch
@medusajs/event-bus-redis	Patch
@medusajs/analytics-local	Patch
@medusajs/analytics-posthog	Patch
@medusajs/auth-emailpass	Patch
@medusajs/auth-github	Patch
@medusajs/auth-google	Patch
@medusajs/caching-redis	Patch
@medusajs/file-local	Patch
@medusajs/file-s3	Patch
@medusajs/fulfillment-manual	Patch
@medusajs/locking-postgres	Patch
@medusajs/locking-redis	Patch
@medusajs/notification-local	Patch
@medusajs/notification-sendgrid	Patch
@medusajs/payment-stripe	Patch
@medusajs/framework	Patch
@medusajs/js-sdk	Patch
@medusajs/modules-sdk	Patch
@medusajs/orchestration	Patch
@medusajs/types	Patch
@medusajs/utils	Patch
@medusajs/workflows-sdk	Patch
@medusajs/cli	Patch
@medusajs/deps	Patch
@medusajs/telemetry	Patch
@medusajs/admin-bundler	Patch
@medusajs/admin-sdk	Patch
@medusajs/admin-shared	Patch
@medusajs/admin-vite-plugin	Patch
@medusajs/dashboard	Patch
@medusajs/icons	Patch
@medusajs/toolbox	Patch
@medusajs/ui-preset	Patch
create-medusa-app	Patch
medusa-dev-cli	Patch
@medusajs/ui	Patch

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[cursor]

Bug: Return value excludes updated line items from result

The workflow returns only createdLineItems, but when adding an item with a variant that already exists in the cart, the workflow updates the existing line item's quantity instead of creating a new one. In this case, createdLineItems is empty while updatedLineItems contains the affected item. The return value would be an empty array even though the add-to-cart succeeded. The existing allItems variable (which combines both created and updated items) would be more appropriate to return.