FA-1334 / Workflow orchestration / Member archive

Renew a durable activity heartbeat: A heartbeat resurrects an activity after its timeout · case 04

The workflow heartbeat operation is admitted even though a heartbeat resurrects an activity after its timeout.

Member previewVariant 4 · 3 implementations · 9 checks per implementation

Case contract

Return a Boolean admission decision for renew a durable activity heartbeat. The record r must satisfy all of: r['heartbeat_attempt'][0] == r['heartbeat_attempt'][1]; r['heartbeat_expiry'][0] < r['heartbeat_expiry'][1]; r['progress_monotonic'][0] >= r['progress_monotonic'][1]; len(r['payload_limit'][0]) <= r['payload_limit'][1]; r['absolute_deadline'][0] <= r['absolute_deadline'][1]. Extra tracing fields are ignored; validation does not mutate the record.

Why this case matters

A deterministic local contract for workflow orchestration. Each negative fixture violates exactly one invariant. No transport timing, persistence, cryptographic verification, or full protocol implementation is claimed.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
A heartbeat resurrects an activity after its timeout	`true`	`false`	Failed

MEMBER ARCHIVE

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