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agents/model_agent.py

@@ -77,10 +77,16 @@ def m05_autocorrelation(img):
     h,w=ac.shape; cy,cx=h//2,w//2; acm=ac.copy()
     re=max(h,w)//20; Y,X=np.mgrid[0:h,0:w]; cm=((X-cx)**2+(Y-cy)**2)<re**2; acm[cm]=0
     ms=float(np.max(acm))
-    if ms>0.3: s,n=0.6,f"Strong secondary peak ({ms:.3f}) — GAN checkerboard"
+    # HARD THRESHOLD: >0.95 is physically impossible for any real camera sensor.
+    # This overrides ALL modality suppression — no real photo can produce this.
+    if ms>0.95: s,n=0.8,f"CRITICAL: Autocorrelation {ms:.3f} exceeds physical camera limit — AI generated"
+    elif ms>0.3: s,n=0.6,f"Strong secondary peak ({ms:.3f}) — GAN checkerboard"
     elif ms>0.15: s,n=0.3,f"Moderate peak ({ms:.3f})"
     else: s,n=-0.2,f"Natural autocorrelation ({ms:.3f})"
-    return {"test":"Autocorrelation Peak","max_secondary":round(ms,4),"score":s,"note":n}
+    result = {"test":"Autocorrelation Peak","max_secondary":round(ms,4),"score":s,"note":n}
+    if ms > 0.95:
+        result["override_suppression"] = True  # Signal to utils.py: do NOT suppress this
+    return result
 
 def m06_checkerboard(img):
     gray=_g(img); h,w=gray.shape