kert 59272d715a feat(rec): OppsPricer — reconcile OPPS APC rates vs Addendum B ...

Adds the second pricer to the reconciliation engine (rec was open/closed
with only PfsPricer). OppsPricer validates that our OPPS conversion
factor reproduces CMS's published Addendum B national unadjusted rate:

    ground truth = opps.addendum_b.payment_rate  (published, rate > 0)
    calculated   = relative_weight × RULES[year].conversion_factor
                   (APC-priced rows, weight > 0)

Rows with a weight but no published rate (packaged, SI N) surface as
calculated_only; a published rate with no weight (non-APC method) as
ground_truth_only — mirroring how PfsPricer treats carrier-priced codes.
Wage-index adjustment is intentionally out of scope: Addendum B is the
national unadjusted rate, so the check is weight × CF only.

Also:
- stack rec opps CLI subcommand (mirrors rec pfs).
- Pricer-aware "no years available" hint (was hardcoded to PFS tables).

100% coverage on the new module, CLI paths, and registry.

Note: running this against loaded Addendum B data surfaces a systematic
CF drift in opps.rules for CY2021-CY2026 (stored CFs differ from the
empirical payment_rate/weight, which matches the real published CMS
values). Tracked for a follow-up fix — the pricer is doing its job.

2026-07-08 10:38:48 -04:00

552 B

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