31B regimes parsed (early persist bump L7-16, motor only terminal — E2B signature absent, matches E4B); exp4_regimes.py takes explicit out path / defaults next to input jbar (fix pushed to node before 26B stage)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

scripts/exp4_regimes.py

@@ -134,8 +134,21 @@ def main():
         for l in range(2, len(sensor), 4):
             print(f"{w1}/{w2:<9} L{l:>2} | " +
                   "  ".join(f"{curves[wi, l]:+.2f}" for wi in range(5)))
+    if len(sys.argv) > 2:
+        out = Path(sys.argv[2])
+    elif len(sys.argv) > 1:
+        # default: save next to the input jbar (that dir is what node
+        # sidecars sync; CWD-relative "results/" has crashed 3 scans)
+        ckp = Path(sys.argv[1])
+        out = ckp.parent / ckp.name.replace("jbar", "regimes")
+        if out == ckp:
+            out = RES / "regimes.pt"
+    else:
+        out = RES / "regimes.pt"
+    out.parent.mkdir(parents=True, exist_ok=True)
     torch.save({"sensor": sensor, "motor": motor, "persist": persist,
-                "content": content, "ignition": ign}, RES / "regimes.pt")
+                "content": content, "ignition": ign}, out)
+    print("saved", out)
 
 
 if __name__ == "__main__":