feat: add financial governance evaluators (spend limits + transaction policy)#141

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up2itnow0822 wants to merge 4 commits intoagentcontrol:mainfrom

up2itnow0822:feat/financial-governance-evaluator

Commits on Mar 20, 2026

feat: add financial governance evaluators (spend limits + transaction policy)
up2itnow0822
committed

Commits on Mar 23, 2026

fix: address review feedback — Decimal money, atomic store, BudgetLimit model, scoping fix
up2itnow0822
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Commits on Mar 30, 2026

fix: eliminate remaining float() in metadata, use Decimal in test assertions
up2itnow0822
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Commits on Apr 2, 2026

fix: atomic budget enforcement, strict scope matching, retention window
up2itnow0822
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