Map Arch rental royalty consumer facts

[MaxGhenis]

Summary

• map Arch SOI rental/royalty income consumer facts into Microplex rental-income targets
• add count and amount coverage for state-broad SOI consumer facts
• extend the Arch consumer-fact regression to assert rental target metadata, amount, and positive-return count filters

Validation

• uv run ruff check src/microplex_us/targets/arch.py tests/targets/test_arch_facts.py
• uv run --extra policyengine --extra dev python -m pytest tests/targets/test_arch_facts.py::test_arch_consumer_fact_jsonl_provider_maps_state_broad_soi_concepts -q