- In short
- Live state, such as order status, account balance, or inventory count, is owned by a system of record and changes independently of any index. Static, stable knowledge, such as policy text or documentation, is safe to retrieve because it does not change between refreshes. Any ask that sounds like "look up X" must be diagnosed for whether X is live or static before an architecture is proposed, because misclassifying live state as retrievable produces confident, wrong answers with no visible error signal.
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