experiment: freeze KP teaching-signal ablation

1 files changed, 3 insertions, 3 deletions

diff --git a/experiments/conv_run.py b/experiments/conv_run.py
index b1372f5..15510c8 100644
--- a/experiments/conv_run.py
+++ b/experiments/conv_run.py
@@ -261,13 +261,13 @@ def run(args):
         if args.traffic_calibration_examples < 1 or args.traffic_ratio <= 0:
             raise ValueError("invalid mixed-traffic calibration")
         if args.neutral_projection:
-            if (args.traffic_rule != "innovation"
-                    or args.predictor_mode != "closed_form"
+            if (args.predictor_mode != "closed_form"
                     or args.predictor_warmup_steps != 1
                     or args.predictor_every != 0):
                 raise ValueError(
                     "neutral projection requires frozen one-step closed-form "
-                    "innovation prediction")
+                    "prediction; raw and matched rules compute it as a sham "
+                    "control without applying the subtractive direction")
         elif args.predictor_every < 1:
             raise ValueError("mixed-traffic KP requires a predictor cadence")
         if (args.predictor_mode == "closed_form"