FA-29629 / HTTP retries / Member archive

Retry reconciliation with a server receipt: Receipt eviction removes other requests or leaves the target replayable · case 04

Receipt eviction removes other requests or leaves the target replayable

Member previewVariant 4 · 3 implementations · 6 checks per implementation

Case contract

submit(key,body) returns new for absent key, pending for matching in-flight key, conflict for a changed body, and cached(value) for a completed matching key. commit(key,value) commits only existing pending entries. forget removes a receipt. Return decisions and receipt table.

Why this case matters

Offline deterministic model of HTTP request retries.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
5	`[["new", "new", "new"], {"a": [6, "pending", null]}]`	`[["new", "new", "new"], {"a": [6, "pending", null], "b": [5, "pending", null]}]`	Failed

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