feat(sp41): claim-id dedup at SFTP pre-flight (30-day window, configurable)

backend/tests/test_acks.py

@@ -51,7 +51,7 @@ def test_migration_0002_creates_acks_table():
 
 def test_migration_latest_idempotent_on_fresh_db():
     """Re-running the migration on the same DB must be a no-op (PRAGMA
-    user_version already at the latest version — currently 21 after
+    user_version already at the latest version — currently 22 after
     0004-0006 line_reconciliation, 0005 ta1_acks, SP9's 0007
     providers/payers/clearhouse, SP10's 0008 payer_rejected,
     SP11's 0009 audit_log, SP14's 0010 payer_rejected_acknowledged,
@@ -62,16 +62,16 @@ def test_migration_latest_idempotent_on_fresh_db():
     claim.patient_control_number backfill UPDATE, SP28's 0018
     claim_acks join table, SP32's 0019
     rendering_provider_npi + service_provider_npi, SP37's 0020
-    transaction_set_control_number, and SP39's 0021 resubmissions
-    audit table)."""
+    transaction_set_control_number, SP39's 0021 resubmissions
+    audit table, and SP41's 0022 submission_dedup)."""
     with db.engine().begin() as c:
         v1 = c.exec_driver_sql("PRAGMA user_version").scalar() or 0
-    assert v1 == 21
+    assert v1 == 22
     # A second run should not raise and should not bump the version.
     db_migrate.run(db.engine())
     with db.engine().begin() as c:
         v2 = c.exec_driver_sql("PRAGMA user_version").scalar() or 0
-    assert v2 == 21
+    assert v2 == 22
 
 
 def test_add_ack_persists_row():