FA-60502 / Loyalty points ledgers / Member archive

Pending points hold period: redeemable balance · case 02

Members can redeem points that are still in the return window.

Member previewVariant 2 · 3 implementations · 8 checks per implementation

Case contract

Events: ["earn",day,order,pts] starts pending; points post (become available) on day >= earn day + hold. ["refund",day,order] cancels a live earn if day < earn day + hold ("cancelled"), otherwise claws it back ("clawed"; available may go negative); unknown or already refunded orders are "ignored". ["redeem",day,pts] spends available (posted - spent) points or returns "insufficient". ["query",day] returns [pending, available]. Return results list.

Why this case matters

Member point balances, statements and the program liability depend on this ledger rule.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
redeem pending	`["pending", "pending", "ok", "insufficient"]`	`["pending", "pending", "insufficient", "ok"]`	Failed

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This record includes three runnable implementations, regression fixtures, execution results, and source hashes.

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