Weekly policyengine-us update

[policyengine]

Summary

Automated weekly update of policyengine-us.

Related to #1178

Version Updates

Package	Old Version	New Version
policyengine_us	1.687.0	1.691.1

What Changed (policyengine_us 1.687.0 → 1.691.1)

Added

• Add Washington Senior Citizens and Disabled Persons Property Tax Exemption Program, including ESSB 6162 (2026) provisions effective for taxes levied for collection in 2027 and thereafter.
• Add Census SPM weekly work-expense parameters and formulas for work and childcare expense caps.
• Add an SPM unit geographic adjustment input and use it to calculate SPM thresholds.
• Added an explicit Trustees federal income tax parameter reform for long-run TOB analysis scenarios.

Changed

• Support legacy per-fuel expense inputs as fallbacks in DC, MA, and IL LIHEAP formulas.
• Made SPM geographic adjustments formulaic from congressional district and tenure instead of backing them out from stored thresholds.

Fixed

• Fixed SNAP categorical eligibility so SSI only qualifies a multi-person SPM unit when all members receive SSI.
• Net Medicare Part B premiums in baseline SPM expenses against cycle-free Medicare Savings Program coverage, preserve reported premiums as an audit input, and stop treating reported health insurance premiums as pre-tax wage deductions in federal AGI.
• Fix New York and elderly/disabled SNAP BBCE gross income limits.
• Fix WIC income eligibility to use the July-June WIC income guideline year.
• Fix ACA Premium Tax Credit and Basic Health Program eligibility for lawfully present immigrants who are ineligible for Medicaid due to immigration status, including Medicaid five-year-bar cases.
• Fix SPM childcare earnings cap projection for datasets with multiple SPM units.
• Fix ACA family-tier premium calculations for older dependents in New York and Vermont.

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