The state candidates' value (CandidatesByProposalNodeValue) gains `added`, by module name, each an AddedModule
with `version` and `parts` in the want's own forms. It is a copy of the two properties of the seat mesh-wants'
state wants, because the seat-definition format cannot reuse another repository's seat's forms (includes take only
parts/ of the same repository, and a part holds no state value); a fixture holds both to the want's wire.
Regenerated with seatgen. The node names the first round-2 pass left in fixtures lines equal to base lines are
role names now, the generated tests with them.
Builds: design 47 G A-316 (corrected, hq #594), §626
Claude-Session: https://claude.ai/code/session_01NcbgfGKaxw984XyAPfLm4h
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