Document S/R findings and isolate legacy gate features

scripts/run_backtest_snapshot.py

@@ -53,6 +53,8 @@ def _parse_args() -> argparse.Namespace:
             "soft_zones", "confirmed_rounds", "gate_v2",
             "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",
         ),
         default=None,
         help="Research-only S/R detector/gate arm.",

scripts/run_sr_v2_matrix.py

@@ -1,4 +1,4 @@
-"""Run the S/R v2 training matrix or one locked validation comparison.
+"""Run S/R detector, hidden-feature, or locked validation comparisons.
 
 This is a cross-platform orchestrator around ``run_backtest_snapshot.py``. It
 contains no backtest logic; every arm still runs through the production-parity
@@ -23,6 +23,12 @@ TRAINING_ARMS = (
     "gate_v2_legacy_primary",
 )
 LOCKABLE_ARMS = TRAINING_ARMS[1:]
+TRAFFIC_ARMS = (
+    "production_control",
+    "legacy_geometry_neutral",
+    "legacy_pivots_only",
+    "legacy_traffic_grid_only",
+)
 
 
 def _add_common(parser: argparse.ArgumentParser) -> None:
@@ -39,6 +45,11 @@ def _args() -> argparse.Namespace:
     commands = parser.add_subparsers(dest="command", required=True)
     train = commands.add_parser("train", help="Run all arms before 2024-07-01.")
     _add_common(train)
+    traffic = commands.add_parser(
+        "traffic",
+        help="Isolate legacy geometry, pivots, and price-traffic grid on training data.",
+    )
+    _add_common(traffic)
     validate = commands.add_parser(
         "validate",
         help="Run production control and one locked arm from 2024-07-01.",
@@ -75,17 +86,21 @@ def _run_arm(
     )
 
 
-def _train(args: argparse.Namespace) -> None:
-    for arm in TRAINING_ARMS:
+def _train(
+    args: argparse.Namespace,
+    arms: tuple[str, ...],
+    filename_prefix: str,
+) -> None:
+    for arm in arms:
         _run_arm(
             arm,
             args.snapshot,
             args.workers,
             entry_flag="--entry-end",
             entry_date="2024-06-30",
-            output=ROOT / "reports" / f"backtest-sr-v2-train-{arm}.json",
+            output=ROOT / "reports" / f"{filename_prefix}-{arm}.json",
         )
-    print("Training matrix complete. Lock one arm before running validation.")
+    print("Training matrix complete. Review results before running validation.")
 
 
 def _validate(args: argparse.Namespace) -> None:
@@ -118,7 +133,9 @@ def _validate(args: argparse.Namespace) -> None:
 def main() -> None:
     args = _args()
     if args.command == "train":
-        _train(args)
+        _train(args, TRAINING_ARMS, "backtest-sr-v2-train")
+    elif args.command == "traffic":
+        _train(args, TRAFFIC_ARMS, "backtest-sr-traffic-train")
     else:
         _validate(args)