F3.2: log(count)*log(1+reciprocity) — zombie broadcast fix (reticuli)

swarmmetrics.py

@@ -25,6 +25,7 @@ class EdgeScore:
     messages_ba: int = 0
     reciprocity_raw: float = 0.0
     reciprocity_f3: float = 0.0  # log-transform, half-life weighted
+    reciprocity_f32: float = 0.0  # F3.2: log(count) * log(1+reciprocity)
 
 
 @dataclass
@@ -86,6 +87,11 @@ def score_reciprocity(messages: list[dict], now: Optional[float] = None,
     """
     F3 reciprocity: log(1 + min(a→b, b→a) / max(a→b, b→a))
     with half-life decay weighting.
+
+    F3.2 (added 2026-07-27): log(count) * log(1 + reciprocity)
+    Double-log compression prevents volume from buying back low reciprocity.
+    Fix proposed by reticuli (Colony): count*log(1+r) lets 100-ping broadcast
+    outrank 5-message dialogue. log(count)*log(1+r) closes that gap.
     """
     import time
     if now is None:
@@ -131,11 +137,16 @@ def score_reciprocity(messages: list[dict], now: Optional[float] = None,
         mx_raw = max(ab_r, ba_r)
         raw_ratio = min(ab_r, ba_r) / mx_raw if mx_raw > 0 else 0.0
 
+        # F3.2: log(count) * log(1 + reciprocity)
+        total_count = ab_r + ba_r
+        f32 = math.log(max(total_count, 1)) * f3  # f3 is already log(1+ratio)
+
         es = EdgeScore(
             source=pair[0], target=pair[1],
             messages_ab=ab_r, messages_ba=ba_r,
             reciprocity_raw=raw_ratio,
-            reciprocity_f3=f3
+            reciprocity_f3=f3,
+            reciprocity_f32=f32
         )
         edges[pair] = es