Arch target derivations: component-sum (first of §C)#53

Merged

MaxGhenis merged 13 commits into

claude/spec-driven-enginefrom

claude/arch-derivations

Jun 9, 2026

Commits on Jun 8, 2026

Add generic Arch target derivations: component-sum (first of §C)

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Add generic latest carry-forward derivation (§C)

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Add generic state->national rollup derivation (§C)

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Add generic SOI aging derivation (§C)

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Add generic BEA employment_income_before_lsr derivation (§C)

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Add skip/blocklist surface — all 6 §C Arch derivations complete

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Sort imports (ruff isort) in arch_derivations test
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Add Arch provider boundary adapter: ArchTargetRecord -> TargetSpec/TargetSet

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Add Arch derivation pipeline orchestrator + ArchTargetProvider

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