Model Medicaid CE 1115 comparable adults

[daphnehanse11]

Summary

Closes #8271.

This scopes Medicaid community engagement/work-requirement applicability through a dedicated variable instead of checking only the ACA adult category inline.

• Adds is_medicaid_1115_mec_adult as an explicit person-level input for section 1115 demonstration adults receiving minimum essential coverage and not otherwise eligible under the Medicaid state plan.
• Adds SECTION_1115_MEC_ADULT to medicaid_category and includes it in covered Medicaid categories.
• Adds is_medicaid_work_requirement_applicable_adult, covering ACA adult group and section 1115 MEC adult categories.
• Updates is_medicaid_eligible so work requirements apply to both applicable adult groups while parents, children, pregnant people, SSI recipients, and senior/disabled categories remain outside the applicability variable.

Validation

• uv run python -m policyengine_core.scripts.policyengine_command test policyengine_us/tests/policy/baseline/gov/hhs/medicaid/eligibility/is_medicaid_work_requirement_applicable_adult.yaml policyengine_us/tests/policy/baseline/gov/hhs/medicaid/eligibility/categories/medicaid_category.yaml policyengine_us/tests/policy/baseline/gov/hhs/medicaid/eligibility/is_medicaid_eligible.yaml -c policyengine_us
  • 41 passed.
• uv run python -m policyengine_core.scripts.policyengine_command test policyengine_us/tests/policy/baseline/gov/hhs/medicaid/eligibility -c policyengine_us
  • 174 passed.
• uv run --extra dev ruff format policyengine_us/variables/gov/hhs/medicaid/eligibility/categories/is_medicaid_1115_mec_adult.py policyengine_us/variables/gov/hhs/medicaid/eligibility/is_medicaid_work_requirement_applicable_adult.py policyengine_us/variables/gov/hhs/medicaid/eligibility/categories/medicaid_category.py policyengine_us/variables/gov/hhs/medicaid/eligibility/is_medicaid_eligible.py
• uv run --extra dev ruff check policyengine_us/variables/gov/hhs/medicaid/eligibility/categories/is_medicaid_1115_mec_adult.py policyengine_us/variables/gov/hhs/medicaid/eligibility/is_medicaid_work_requirement_applicable_adult.py policyengine_us/variables/gov/hhs/medicaid/eligibility/categories/medicaid_category.py policyengine_us/variables/gov/hhs/medicaid/eligibility/is_medicaid_eligible.py
  • All checks passed.
• uv run pytest policyengine_us/tests/test_parameter_files.py policyengine_us/tests/test_system_import.py -q
  • 10 passed.
• git diff --check

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (0a1a9e3) to head (987b7b0).
⚠️ Report is 19 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #8505   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            1         4    +3     
  Lines           14        72   +58     
  Branches         0         2    +2     
=========================================
+ Hits            14        72   +58     

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

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[MaxGhenis]

Reviewed after rebase and local validation; Medicaid category/work-requirement tests plus full GitHub CI are green.