docs(glue): a retired target returns its source - #38
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Documents the declared reopen: sourceStatusOnRetire, the inverse of the create-from's completion hook. Superseding frees the source's slot; where the hook has moved the source off the status its own trigger qualifies on, nothing could refill it, and an event-only rule had no reissue path at all. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
A retirement is delivered at-least-once, so it can arrive again after the replacement already exists - and by then the source is standing at sourceStatus once more, because the reissue put it there. The standing-status test alone would re-open a source with a live target against it. The reopen now runs exactly when a creation would be allowed through. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
A create-from triggered only by a button carries no at-most-once guard, so nothing blocks a replacement - the button is itself the reissue, and there is no trigger for a reopen to re-fire. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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Documents
sourceStatusOnRetire— the inverse of the create-from's completion hook — indocs/spec/glue.md, under the event-driven create-from.Why it is needed. A retired target stops satisfying the at-most-once guard, which frees the source's slot. But the completion hook exists to move the source OFF the status its own trigger qualifies on, and a lifecycle graph declares no edge back — so once it has run the source can never re-qualify, and voiding the target frees a slot nothing can refill. Where a button is also declared, a person can click; an event-only rule has no reissue path at all.
sourceStatusOnRetiredeclares the move back, so the reissue is the ordinary path: retiring the target returns the source, that transition is announced on the source's own channel, the trigger re-fires, the guard steps over the retired target, and the replacement is minted. Nothing new declares what "retired" means — it is the same classification the guard reads.The section is self-contained: it explains the retirement inline rather than linking to it, because #37 (the superseding section) is still an open PR. Worth a read-through together if both land.
Spec proposal: IntentFile/intent-specification#48. Reference implementation: eclipse-dirigible/dirigible#6868.