Implement Idaho AABD cash assistance program

[mattunrath]

Summary

Implements Idaho's Aid to the Aged, Blind, and Disabled (AABD) cash assistance program, which provides monthly supplemental payments to SSI recipients based on living arrangement.

Regulatory Authority

• IDAPA 16.03.05.514 - AABD Cash Payments
• Idaho Department of Health and Welfare

Payment Amounts (per IDAPA 16.03.05.514)

Living Arrangement	Max Monthly Payment
Single (Sec 501.01)	$53
Couple (Sec 501.02)	$20
Essential Person (Sec 501.02)	$18
SIGRIF (Sec 501.03)	$169
Room and Board (Sec 512)	$198
RALF/CFH (Sec 513)	Ineligible

Files Added

• parameters/gov/states/id/dhw/aabd/payment/amount.yaml
• variables/gov/states/id/dhw/aabd/id_aabd.py
• variables/gov/states/id/dhw/aabd/id_aabd_eligible.py
• variables/gov/states/id/dhw/aabd/id_aabd_living_arrangement.py
• tests/policy/baseline/gov/states/id/dhw/aabd/id_aabd.yaml (8 tests)

Test Coverage

• Single recipient ✅
• Couple ✅
• Essential person ✅
• SIGRIF ✅
• Room and board ✅
• RALF/CFH ineligibility ✅
• No SSI = ineligible ✅
• Non-Idaho resident ✅

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (63a7861) to head (649e9c7).
⚠️ Report is 6 commits behind head on main.

Additional details and impacted files

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  Coverage   100.00%   100.00%           
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  Files            5         3    -2     
  Lines           69        47   -22     
  Branches         2         0    -2     
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- Hits            69        47   -22     

Flag	Coverage Δ
unittests	100.00% <100.00%> (ø)

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