feat(sp32): _content_keys_match prefers typed NPI columns over raw_json fallback

backend/tests/conftest.py

@@ -146,9 +146,8 @@ def make_claim(db_session):
         claim_id=None
 
     `state=None` defaults to ``ClaimState.SUBMITTED`` so existing tests
-    that omit it keep behaving. `rendering_provider_npi` is stored as
-    a transient attribute (no ORM column) for ``_content_keys_match``
-    to read via ``getattr``.
+    that omit it keep behaving. `rendering_provider_npi` is wired through
+    the real ``Claim.rendering_provider_npi`` column (SP32 migration 0019).
     """
     def _make(
         patient_control_number: str,
@@ -171,10 +170,8 @@ def make_claim(db_session):
             charge_amount=total_charge,
             state=state if state is not None else _CS.SUBMITTED,
             matched_remittance_id=matched_remittance_id,
+            rendering_provider_npi=rendering_provider_npi,
         )
-        # Transient attribute — read by reconcile._content_keys_match
-        # via getattr; the Claim ORM has no rendering_provider_npi column.
-        c.rendering_provider_npi = rendering_provider_npi
         db_session.add(c)
         db_session.flush()
         return c
@@ -191,9 +188,8 @@ def make_remit(db_session):
         service_date, remit_id=None
 
     `total_charge_amount` is mapped to ``Remittance.total_charge`` (real ORM
-    field). `rendering_provider_npi` is stored as a transient attribute for
-    ``_content_keys_match`` to read via ``getattr`` (Remittance has no NPI
-    column; the parser reads it from raw_json in production).
+    field). `rendering_provider_npi` is wired through the real
+    ``Remittance.rendering_provider_npi`` column (SP32 migration 0019).
     """
     def _make(
         payer_claim_control_number: str,
@@ -216,11 +212,8 @@ def make_remit(db_session):
             received_at=datetime.now(timezone.utc),
             service_date=service_date,
             is_reversal=False,
+            rendering_provider_npi=rendering_provider_npi,
         )
-        # Transient attribute — read by reconcile._content_keys_match via
-        # getattr. The Remittance ORM has no rendering_provider_npi column;
-        # the 835 parser reads it from raw_json in production.
-        r.rendering_provider_npi = rendering_provider_npi
         db_session.add(r)
         db_session.flush()
         return r