Isolate legacy range-expansion factor

scripts/run_backtest_snapshot.py

@@ -56,6 +56,7 @@ def _parse_args() -> argparse.Namespace:
             "legacy_geometry_neutral", "legacy_pivots_only",
             "legacy_traffic_grid_only", "legacy_range_grid_touch",
             "legacy_range_grid_neutral",
+            "production_range504", "rewrite_range504_legacy_primary",
         ),
         default=None,
         help="Research-only S/R detector/gate arm.",

scripts/run_sr_v2_matrix.py

@@ -34,6 +34,10 @@ TRAFFIC_ARMS = (
     "legacy_pivots_only",
     *RANGE_GRID_ARMS,
 )
+RANGE_FACTOR_ARMS = (
+    "production_range504",
+    "rewrite_range504_legacy_primary",
+)
 
 
 def _add_common(parser: argparse.ArgumentParser) -> None:
@@ -61,6 +65,17 @@ def _args() -> argparse.Namespace:
         default=None,
         help="Rerun one hidden-feature arm without repeating the full matrix.",
     )
+    factor = commands.add_parser(
+        "factor",
+        help="Test the explicit 504-day range factor with old and clean detectors.",
+    )
+    _add_common(factor)
+    factor.add_argument(
+        "--only-arm",
+        choices=RANGE_FACTOR_ARMS,
+        default=None,
+        help="Run one range-factor arm without repeating the pair.",
+    )
     validate = commands.add_parser(
         "validate",
         help="Run production control and one locked arm from 2024-07-01.",
@@ -148,6 +163,9 @@ def main() -> None:
     elif args.command == "traffic":
         arms = (args.only_arm,) if args.only_arm else TRAFFIC_ARMS
         _train(args, arms, "backtest-sr-traffic-train")
+    elif args.command == "factor":
+        arms = (args.only_arm,) if args.only_arm else RANGE_FACTOR_ARMS
+        _train(args, arms, "backtest-sr-range-factor-train")
     else:
         _validate(args)