FA-1192 / Workflow orchestration / Member archive

Deliver a signal to a durable workflow: External signals exhaust the workflow pending-event budget · case 02

The workflow signal operation is admitted even though external signals exhaust the workflow pending-event budget.

Member previewVariant 2 · 3 implementations · 9 checks per implementation

Case contract

Return a Boolean admission decision for deliver a signal to a durable workflow. The record r must satisfy all of: r['signal_identity'][0] not in r['signal_identity'][1]; r['recipient_run'][0] == r['recipient_run'][1]; r['signal_declared'][0] in r['signal_declared'][1]; r['mailbox_capacity'][0] < r['mailbox_capacity'][1]; r['sequence_dependency'][0] <= r['sequence_dependency'][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
External signals exhaust the workflow pending-event budget	`true`	`false`	Failed

MEMBER ARCHIVE

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