Optionalliftwhat would move it up a tier, and roughly how big that is
OptionalvectorsCapability-contract vector ids this module needs, beyond the three coarse ones.
needs only says whether outbound calls can be split across invocations. simple_sitemap
forced this: it needs ext-xmlwriter, which the coarse vocabulary scored as installable and
hook_requirements then refused. capability-contract.spec.ts executes every id here on
the shipping interpreter.
the mechanism, not the module: why this capability and not another
what a classification cost to reach, so a later reader can retest it rather than trust it