docs: the create-from's step axis and its append cardinality - #30
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The glue page's create-from section now carries both axes of the event vocabulary and the mode: once|append cardinality, with the normative rules for each: a step binding's process must run on the from: entity, mode accepts only the two values, and the back-reference is required in both cardinalities. States what append is not - the absence of a guard rather than a state-aware one, so a redelivery appends a duplicate and a voided target's replacement is not what it expresses.
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Documents the two additions proposed in intent-specification#39 (proposal
0021) on the Declarative glue page.generates.event— the sameonStepReached/onStepCompleted: { process, step }binding notifications, integrations and departures declare, narrowed by one rule of its own: the process must run on thefrom:entity.mode: once|append— the cardinality.once(default) is the existing at-most-once behaviour;appendcreates one target per delivered event, which is what expresses a log entry per step or a protocol line per transition.Both normative blocks follow the site's
::: info Normativeconvention. The at-most-once paragraph is now scoped tomode: once, the event-axis section notes that a create-from binds to it too, andreference.mdgains thegenerates.event.moderow.npx vitepress build docspasses.Left open for the maintainer, as usual.