Stock status reflects real purchasability

What is being checked

Checks whether displayed stock status accurately reflects actual purchase capability.

Why it matters

When stock information is unreliable, transactions fail and system credibility is severely damaged.

Failure signals

• In stock but cannot purchase
• Out of stock but purchasable
• Stock updates too late

How to verify

1. Attempt checkout with the displayed stock state and confirm consistency.

Recommended fix

Synchronize stock indicators with real-time purchase logic.