Save for Later Cart Safeguards

Added validation and locking around Save for Later cart keys sent to Redis, and added functionality to block users from adding products or changing quantities on the cart in certain states.

This includes:

• Validation added for Save for Later cart keys sent to Redis

• Locking added around those cart keys

• Blocking of adding products in certain cart states

• Blocking of quantity changes in certain cart states

How it benefits the Merchant

Prevents cart data corruption and inconsistent order states during certain checkout scenarios

Reduces failed or inaccurate orders

Potential FAQs

Q: Will this affect the normal 'Save for Later' shopping experience? A: No — it adds validation and safeguards behind the scenes without changing the customer-facing Save for Later flow.

Q: In what situations are customers blocked from changing their cart? A: The description doesn't specify the exact states — check with your account manager for details on which scenarios trigger this lock.