

December 2025: Delivered extensive state tax-credit accuracy improvements, strengthened test coverage, and refreshed dependencies in PolicyEngine/policyengine-us. Focus was on handling negative income/AGI scenarios, enforcing correct eligibility, and eliminating phantom refunds across multiple states, while also improving maintainability and CI reliability.
December 2025: Delivered extensive state tax-credit accuracy improvements, strengthened test coverage, and refreshed dependencies in PolicyEngine/policyengine-us. Focus was on handling negative income/AGI scenarios, enforcing correct eligibility, and eliminating phantom refunds across multiple states, while also improving maintainability and CI reliability.
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