The shipped Configuration Policies rendered with working-looking Edit and
Delete buttons that did nothing. The API had already been widened to accept
shipped rows, but the buttons still carried :disabled on source !== local, so
the write was never sent and the change looked like it had never rolled.
Gate both buttons on the set the API actually accepts. The shipped badge stays:
it is provenance, not a lock, and it has to survive an edit so a site can still
tell a product-supplied row from one of its own.
Business Policies keep the local-only rule. Their API guard is unchanged and
no shipped Site Policy exists now, so the UI already matches.
Cover it with a spec, because the failure mode is a disabled attribute silently
disagreeing with a server guard - nothing errors, the button just does nothing.
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