Add prompt route simulation checks

row_route_metadata.py

@@ -50,6 +50,27 @@ def empty_action_position_route() -> dict[str, Any]:
     return empty_action_position_route_result().as_dict()
 
 
+def _primary_position_key(
+    position_keys: list[str],
+    metadata: dict[str, Any],
+    hardcore_position_config: dict[str, Any] | None,
+) -> str:
+    if not position_keys:
+        return ""
+    configured = []
+    if isinstance(hardcore_position_config, dict):
+        configured = hardcore_position_policy.normalize_hardcore_position_values(
+            hardcore_position_config.get("positions")
+        )
+    for key in configured:
+        if key in position_keys:
+            return key
+    for key in template_policy.template_position_keys(metadata):
+        if key in position_keys:
+            return key
+    return position_keys[0]
+
+
 def resolve_action_position_route_result(
     *,
     is_pose_category: bool,
@@ -97,7 +118,7 @@ def resolve_action_position_route_result(
     return ActionPositionRoute(
         position_family=position_family,
         position_keys=position_keys,
-        position_key=position_keys[0] if position_keys else "",
+        position_key=_primary_position_key(position_keys, metadata, hardcore_position_config),
         action_family=action_family,
     )