Isolate legacy range-grid features

scripts/run_backtest_snapshot.py

@@ -54,7 +54,8 @@ def _parse_args() -> argparse.Namespace:
             "rewrite_legacy_primary", "soft_zones_legacy_primary",
             "confirmed_rounds_legacy_primary", "gate_v2_legacy_primary",
             "legacy_geometry_neutral", "legacy_pivots_only",
-            "legacy_traffic_grid_only",
+            "legacy_traffic_grid_only", "legacy_range_grid_touch",
+            "legacy_range_grid_neutral",
         ),
         default=None,
         help="Research-only S/R detector/gate arm.",

scripts/run_sr_v2_matrix.py

@@ -22,12 +22,17 @@ TRAINING_ARMS = (
     "confirmed_rounds_legacy_primary",
     "gate_v2_legacy_primary",
 )
-LOCKABLE_ARMS = TRAINING_ARMS[1:]
+RANGE_GRID_ARMS = (
+    "legacy_traffic_grid_only",
+    "legacy_range_grid_touch",
+    "legacy_range_grid_neutral",
+)
+LOCKABLE_ARMS = TRAINING_ARMS[1:] + RANGE_GRID_ARMS
 TRAFFIC_ARMS = (
     "production_control",
     "legacy_geometry_neutral",
     "legacy_pivots_only",
-    "legacy_traffic_grid_only",
+    *RANGE_GRID_ARMS,
 )
 
 
@@ -47,7 +52,7 @@ def _args() -> argparse.Namespace:
     _add_common(train)
     traffic = commands.add_parser(
         "traffic",
-        help="Isolate legacy geometry, pivots, and price-traffic grid on training data.",
+        help="Isolate pivots, range-grid geometry, and touch strength on training data.",
     )
     _add_common(traffic)
     traffic.add_argument(