The delivery SDK's buildstep gains AskerBuilder, AskSubjectBy and ParseAskSubjectBy (an ask's subject names its
asker as the last token, main's form names none; ParseAskSubject reads both). The builder's put and its held-ask
reads use the builder's subject. Not built here: §543's refusal (the build modules'), the grants (grants part).
Builds: design 47 G §481, §484, §543, §600
Claude-Session: https://claude.ai/code/session_01NcbgfGKaxw984XyAPfLm4h